class testEmptyQuery(FlowTestsBase):
def __init__(self):
global graph
self.env = Env(decodeResponses=True)
graph = Graph('G', self.env.getConnection())
def test01_empty_query(self):
try:
# execute empty query
graph.query("")
except ResponseError as e:
self.env.assertIn("Error: empty query.", str(e))
class testProfile(FlowTestsBase):
def __init__(self):
global redis_con
global redis_graph
self.env = Env(decodeResponses=True)
redis_con = self.env.getConnection()
redis_graph = Graph(GRAPH_ID, redis_con)
def test_profile(self):
q = """UNWIND range(1, 3) AS x CREATE (p:Person {v:x})"""
profile = redis_con.execute_command("GRAPH.PROFILE", GRAPH_ID, q)
profile = [x[0:x.index(',')].strip() for x in profile]
self.env.assertIn("Create | Records produced: 3", profile)
self.env.assertIn("Unwind | Records produced: 3", profile)
q = "MATCH (p:Person) WHERE p.v > 1 RETURN p"
profile = redis_con.execute_command("GRAPH.PROFILE", GRAPH_ID, q)
profile = [x[0:x.index(',')].strip() for x in profile]
self.env.assertIn("Results | Records produced: 2", profile)
self.env.assertIn("Project | Records produced: 2", profile)
self.env.assertIn("Filter | Records produced: 2", profile)
self.env.assertIn(
"Node By Label Scan | (p:Person) | Records produced: 3", profile)
class FlowTestsBase(object):
def __init__(self):
self.env = Env()
redis_con = self.env.getConnection()
redis_con.execute_command("FLUSHALL")
def _assert_equalish(self, a, b, e=0.05):
delta = a * e
diff = abs(a - b)
if diff > delta:
warnings.warn('runtimes differ by more than \"%f\" percent' % e)
def _assert_only_expected_results_are_in_actual_results(
self, actual_result, query_info):
actual_result_set = []
if actual_result.result_set is not None:
actual_result_set = actual_result.result_set
# Assert number of results.
self.env.assertEqual(len(actual_result_set),
len(query_info.expected_result))
# Assert actual values vs expected values.
for res in query_info.expected_result:
self.env.assertIn(res, actual_result_set)
def _assert_actual_results_contained_in_expected_results(
self, actual_result, query_info, num_contained_results):
actual_result_set = actual_result.result_set
# Assert num results.
self.env.assertEqual(len(actual_result_set), num_contained_results)
# Assert actual values vs expected values.
expected_result = query_info.expected_result
count = len(
[res for res in expected_result if res in actual_result_set])
# Assert number of different results is as expected.
self.env.assertEqual(count, num_contained_results)
def _assert_run_time(self, actual_result, query_info):
if actual_result.run_time_ms > query_info.max_run_time_ms:
warnings.warn(
'Maximum runtime for query \"%s\" was: %s, but should be %s' %
(query_info.description, str(actual_result.run_time_ms),
str(query_info.max_run_time_ms)))
class test_prev_rdb_decode(FlowTestsBase):
def __init__(self):
self.env = Env(decodeResponses=True)
global redis_con
redis_con = self.env.getConnection()
def tearDown(self):
self.env.flush()
def test_v4_decode(self):
graph_name = "v4_rdb_restore"
# dump created with the following query (v4 supported property value: integer, double, boolean, string)
# graph.query g "CREATE (:L1 {val:1, strval: 'str', doubleval: 5.5, boolval: true})-[:E{val:2}]->(:L2{val:3})"
# graph.query g "CREATE INDEX ON :L1(val)"
# dump g
v4_rdb = b"\a\x81\x82\xb6\xa9\x85\xd6\xadh\x04\x05\x02g\x00\x02\x02\x02\x81\xff\xff\xff\xff\xff\xff\xff\xff\x05\x04ALL\x00\x02\x04\x05\aboolval\x05\tdoubleval\x05\x06strval\x05\x03val\x02\x00\x05\x03L1\x00\x02\x04\x05\aboolval\x05\tdoubleval\x05\x06strval\x05\x03val\x02\x01\x05\x03L2\x00\x02\x01\x05\x03val\x02\x01\x02\x81\xff\xff\xff\xff\xff\xff\xff\xff\x05\x04ALL\x00\x02\x01\x05\x03val\x02\x00\x05\x02E\x00\x02\x01\x05\x03val\x02\x02\x02\x00\x02\x01\x02\x00\x02\x04\x05\bboolval\x00\x02\x10\x02\x01\x05\ndoubleval\x00\x02@@\x04\x00\x00\x00\x00\x00\x00\x16@\x05\astrval\x00\x02A\x00\x05\x04str\x00\x05\x04val\x00\x02\x04\x02\x01\x02\x01\x02\x01\x02\x01\x02\x01\x05\x04val\x00\x02\x04\x02\x03\x02\x01\x02\x00\x02\x00\x02\x01\x02\x00\x02\x01\x05\x04val\x00\x02\x04\x02\x02\x02\x01\x05\x03L1\x00\x05\x04val\x00\x00\t\x00\xb38\x87\x01U^\x8b\xe3"
redis_con.restore(graph_name, 0, v4_rdb, True)
redis_graph = Graph(graph_name, redis_con)
node0 = Node(node_id=0, label='L1', properties={'val':1, 'strval': 'str', 'doubleval': 5.5, 'boolval': True})
node1 = Node(node_id=1, label='L2', properties={'val':3})
edge01 = Edge(src_node=0, relation='E', dest_node=1, edge_id=0, properties={'val':2})
results = redis_graph.query("MATCH (n)-[e]->(m) RETURN n, e, m")
self.env.assertEqual(results.result_set, [[node0, edge01, node1]])
plan = redis_graph.execution_plan("MATCH (n:L1 {val:1}) RETURN n")
self.env.assertIn("Index Scan", plan)
results = redis_graph.query("MATCH (n:L1 {val:1}) RETURN n")
self.env.assertEqual(results.result_set, [[node0]])
def test_v6_decode(self):
graph_name = "v6_rdb_restore"
# dump created with the following query (v6 supported property value: integer, double, boolean, string, null, array)
# graph.query g "CREATE (:L1 {val:1, strval: 'str', numval: 5.5, nullval: NULL, boolval: true, array: [1,2,3]})-[:E{val:2}]->(:L2{val:3})"
# graph.query g "CREATE INDEX ON :L1(val)"
# dump g
v6_rdb = b"\a\x81\x82\xb6\xa9\x85\xd6\xadh\x06\x05\x02g\x00\x02\x06\x05\x04val\x00\x05\astrval\x00\x05\anumval\x00\x05\bnullval\x00\x05\bboolval\x00\x05\x06array\x00\x02\x02\x02\x00\x05\x03L1\x00\x02\x01\x02\x00\x05\x04val\x00\x02\x01\x05\x03L2\x00\x02\x00\x02\x01\x02\x00\x05\x02E\x00\x02\x00\x02\x02\x02\x01\x02\x00\x02\x06\x05\x04val\x00\x02`\x00\x02\x01\x05\astrval\x00\x02H\x00\x05\x04str\x00\x05\anumval\x00\x02\x80\x00\x00@\x00\x04\x00\x00\x00\x00\x00\x00\x16@\x05\bnullval\x00\x02\x80\x00\x00\x80\x00\x05\bboolval\x00\x02P\x00\x02\x01\x05\x06array\x00\x02\b\x02\x03\x02`\x00\x02\x01\x02`\x00\x02\x02\x02`\x00\x02\x03\x02\x01\x02\x01\x02\x01\x05\x04val\x00\x02`\x00\x02\x03\x02\x01\x02\x00\x02\x01\x02\x00\x02\x01\x05\x04val\x00\x02`\x00\x02\x02\x00\t\x00\xd9\r\xb4c\xf2Z\xd9\xb3"
redis_con.restore(graph_name, 0, v6_rdb, True)
redis_graph = Graph(graph_name, redis_con)
node0 = Node(node_id=0, label='L1', properties={'val': 1, 'strval': 'str', 'numval': 5.5, 'boolval': True, 'array': [1,2,3]})
node1 = Node(node_id=1, label='L2', properties={'val': 3})
edge01 = Edge(src_node=0, relation='E', dest_node=1, edge_id=0, properties={'val':2})
results = redis_graph.query("MATCH (n)-[e]->(m) RETURN n, e, m")
self.env.assertEqual(results.result_set, [[node0, edge01, node1]])
plan = redis_graph.execution_plan("MATCH (n:L1 {val:1}) RETURN n")
self.env.assertIn("Index Scan", plan)
results = redis_graph.query("MATCH (n:L1 {val:1}) RETURN n")
self.env.assertEqual(results.result_set, [[node0]])
class testSlowLog(FlowTestsBase):
def __init__(self):
self.env = Env(decodeResponses=True)
global redis_con
global redis_graph
redis_con = self.env.getConnection()
redis_graph = Graph(GRAPH_ID, redis_con)
def test_slowlog(self):
# Slowlog should fail when graph doesn't exists.
try:
slowlog = redis_con.execute_command(
"GRAPH.SLOWLOG NONE_EXISTING_GRAPH")
except ResponseError as e:
self.env.assertIn("Invalid graph operation on empty key", str(e))
# Issue create query twice.
redis_graph.query("""CREATE ()""")
redis_graph.query("""CREATE ()""")
# Slow log should contain a single entry, no duplicates.
slowlog = redis_con.execute_command("GRAPH.SLOWLOG " + GRAPH_ID)
self.env.assertEquals(len(slowlog), 1)
# Saturate slowlog.
for i in range(1024):
q = """CREATE ({v:%s})""" % i
redis_graph.query(q)
A = redis_con.execute_command("GRAPH.SLOWLOG " + GRAPH_ID)
B = redis_con.execute_command("GRAPH.SLOWLOG " + GRAPH_ID)
# Calling slowlog multiple times should preduce the same result.
self.env.assertEquals(A, B)
# Issue a long running query, this should replace an existing entry in the slowlog.
q = """MATCH (n), (m) WHERE n.v > 0 AND n.v < 500 SET m.v = rand() WITH n, m RETURN SUM(n.v + m.v)"""
redis_graph.query(q)
B = redis_con.execute_command("GRAPH.SLOWLOG " + GRAPH_ID)
self.env.assertNotEqual(A, B)
class TestAggregate():
def __init__(self):
self.env = Env()
add_values(self.env)
def testGroupBy(self):
cmd = [
'ft.aggregate', 'games', '*', 'GROUPBY', '1', '@brand', 'REDUCE',
'count', '0', 'AS', 'count', 'SORTBY', 2, '@count', 'desc',
'LIMIT', '0', '5'
]
res = self.env.cmd(*cmd)
self.env.assertIsNotNone(res)
self.env.assertEqual([
292L, ['brand', '', 'count', '1518'],
['brand', 'mad catz', 'count', '43'],
['brand', 'generic', 'count', '40'],
['brand', 'steelseries', 'count', '37'],
['brand', 'logitech', 'count', '35']
], res)
def testMinMax(self):
cmd = [
'ft.aggregate', 'games', 'sony', 'GROUPBY', '1', '@brand',
'REDUCE', 'count', '0', 'REDUCE', 'min', '1', '@price', 'as',
'minPrice', 'SORTBY', '2', '@minPrice', 'DESC'
]
res = self.env.cmd(*cmd)
self.env.assertIsNotNone(res)
row = to_dict(res[1])
self.env.assertEqual(88, int(float(row['minPrice'])))
cmd = [
'ft.aggregate', 'games', 'sony', 'GROUPBY', '1', '@brand',
'REDUCE', 'count', '0', 'REDUCE', 'max', '1', '@price', 'as',
'maxPrice', 'SORTBY', '2', '@maxPrice', 'DESC'
]
res = self.env.cmd(*cmd)
row = to_dict(res[1])
self.env.assertEqual(695, int(float(row['maxPrice'])))
def testAvg(self):
cmd = [
'ft.aggregate', 'games', 'sony', 'GROUPBY', '1', '@brand',
'REDUCE', 'avg', '1', '@price', 'AS', 'avg_price', 'REDUCE',
'count', '0', 'SORTBY', '2', '@avg_price', 'DESC'
]
res = self.env.cmd(*cmd)
self.env.assertIsNotNone(res)
self.env.assertEqual(26, res[0])
# Ensure the formatting actually exists
first_row = to_dict(res[1])
self.env.assertEqual(109, int(float(first_row['avg_price'])))
for row in res[1:]:
row = to_dict(row)
self.env.assertIn('avg_price', row)
# Test aliasing
cmd = [
'FT.AGGREGATE', 'games', 'sony', 'GROUPBY', '1', '@brand',
'REDUCE', 'avg', '1', '@price', 'AS', 'avgPrice'
]
res = self.env.cmd(*cmd)
first_row = to_dict(res[1])
self.env.assertEqual(17, int(float(first_row['avgPrice'])))
def testCountDistinct(self):
cmd = [
'FT.AGGREGATE', 'games', '*', 'GROUPBY', '1', '@brand', 'REDUCE',
'COUNT_DISTINCT', '1', '@title', 'AS', 'count_distinct(title)',
'REDUCE', 'COUNT', '0'
]
res = self.env.cmd(*cmd)[1:]
# print res
row = to_dict(res[0])
self.env.assertEqual(1484, int(row['count_distinct(title)']))
cmd = [
'FT.AGGREGATE', 'games', '*', 'GROUPBY', '1', '@brand', 'REDUCE',
'COUNT_DISTINCTISH', '1', '@title', 'AS',
'count_distinctish(title)', 'REDUCE', 'COUNT', '0'
]
res = self.env.cmd(*cmd)[1:]
# print res
row = to_dict(res[0])
self.env.assertEqual(1461, int(row['count_distinctish(title)']))
def testQuantile(self):
cmd = [
'FT.AGGREGATE', 'games', '*', 'GROUPBY', '1', '@brand', 'REDUCE',
'QUANTILE', '2', '@price', '0.50', 'AS', 'q50', 'REDUCE',
'QUANTILE', '2', '@price', '0.90', 'AS', 'q90', 'REDUCE',
'QUANTILE', '2', '@price', '0.95', 'AS', 'q95', 'REDUCE', 'AVG',
'1', '@price', 'REDUCE', 'COUNT', '0', 'AS', 'rowcount', 'SORTBY',
'2', '@rowcount', 'DESC', 'MAX', '1'
]
res = self.env.cmd(*cmd)
row = to_dict(res[1])
# TODO: Better samples
self.env.assertAlmostEqual(14.99, float(row['q50']), delta=3)
self.env.assertAlmostEqual(70, float(row['q90']), delta=50)
# This tests the 95th percentile, which is error prone because
# so few samples actually exist. I'm disabling it for now so that
# there is no breakage in CI
# self.env.assertAlmostEqual(110, (float(row['q95'])), delta=50)
def testStdDev(self):
cmd = [
'FT.AGGREGATE', 'games', '*', 'GROUPBY', '1', '@brand', 'REDUCE',
'STDDEV', '1', '@price', 'AS', 'stddev(price)', 'REDUCE', 'AVG',
'1', '@price', 'AS', 'avgPrice', 'REDUCE', 'QUANTILE', '2',
'@price', '0.50', 'AS', 'q50Price', 'REDUCE', 'COUNT', '0', 'AS',
'rowcount', 'SORTBY', '2', '@rowcount', 'DESC', 'LIMIT', '0', '10'
]
res = self.env.cmd(*cmd)
row = to_dict(res[1])
self.env.assertTrue(10 <= int(float(row['q50Price'])) <= 20)
self.env.assertAlmostEqual(53,
int(float(row['stddev(price)'])),
delta=50)
self.env.assertEqual(29, int(float(row['avgPrice'])))
def testParseTime(self):
cmd = [
'FT.AGGREGATE', 'games', '*', 'GROUPBY', '1', '@brand', 'REDUCE',
'COUNT', '0', 'AS', 'count', 'APPLY', 'timefmt(1517417144)', 'AS',
'dt', 'APPLY', 'parse_time("%FT%TZ", @dt)', 'as', 'parsed_dt',
'LIMIT', '0', '1'
]
res = self.env.cmd(*cmd)
self.env.assertEqual([
'brand', '', 'count', '1518', 'dt', '2018-01-31T16:45:44Z',
'parsed_dt', '1517417144'
], res[1])
def testRandomSample(self):
cmd = [
'FT.AGGREGATE', 'games', '*', 'GROUPBY', '1', '@brand', 'REDUCE',
'COUNT', '0', 'AS', 'num', 'REDUCE', 'RANDOM_SAMPLE', '2',
'@price', '10', 'SORTBY', '2', '@num', 'DESC', 'MAX', '10'
]
for row in self.env.cmd(*cmd)[1:]:
self.env.assertIsInstance(row[5], list)
self.env.assertGreater(len(row[5]), 0)
self.env.assertGreaterEqual(row[3], len(row[5]))
self.env.assertLessEqual(len(row[5]), 10)
def testTimeFunctions(self):
cmd = [
'FT.AGGREGATE', 'games', '*', 'APPLY', '1517417144', 'AS', 'dt',
'APPLY', 'timefmt(@dt)', 'AS', 'timefmt', 'APPLY', 'day(@dt)',
'AS', 'day', 'APPLY', 'hour(@dt)', 'AS', 'hour', 'APPLY',
'minute(@dt)', 'AS', 'minute', 'APPLY', 'month(@dt)', 'AS',
'month', 'APPLY', 'dayofweek(@dt)', 'AS', 'dayofweek', 'APPLY',
'dayofmonth(@dt)', 'AS', 'dayofmonth', 'APPLY', 'dayofyear(@dt)',
'AS', 'dayofyear', 'APPLY', 'year(@dt)', 'AS', 'year', 'LIMIT',
'0', '1'
]
res = self.env.cmd(*cmd)
self.env.assertListEqual([
1L,
[
'dt', '1517417144', 'timefmt', '2018-01-31T16:45:44Z', 'day',
'1517356800', 'hour', '1517414400', 'minute', '1517417100',
'month', '1514764800', 'dayofweek', '3', 'dayofmonth', '31',
'dayofyear', '30', 'year', '2018'
]
], res)
def testStringFormat(self):
cmd = [
'FT.AGGREGATE', 'games', '@brand:sony', 'GROUPBY', '2', '@title',
'@brand', 'REDUCE', 'COUNT', '0', 'REDUCE', 'MAX', '1', '@price',
'AS', 'price', 'APPLY',
'format("%s|%s|%s|%s", @title, @brand, "Mark", @price)', 'as',
'titleBrand', 'LIMIT', '0', '10'
]
res = self.env.cmd(*cmd)
for row in res[1:]:
row = to_dict(row)
expected = '%s|%s|%s|%g' % (row['title'], row['brand'], 'Mark',
float(row['price']))
self.env.assertEqual(expected, row['titleBrand'])
def testSum(self):
cmd = [
'ft.aggregate', 'games', '*', 'GROUPBY', '1', '@brand', 'REDUCE',
'count', '0', 'AS', 'count', 'REDUCE', 'sum', 1, '@price', 'AS',
'sum(price)', 'SORTBY', 2, '@sum(price)', 'desc', 'LIMIT', '0', '5'
]
res = self.env.cmd(*cmd)
self.env.assertEqual([
292L, ['brand', '', 'count', '1518', 'sum(price)', '44780.69'],
['brand', 'mad catz', 'count', '43', 'sum(price)', '3973.48'],
['brand', 'razer', 'count', '26', 'sum(price)', '2558.58'],
['brand', 'logitech', 'count', '35', 'sum(price)', '2329.21'],
['brand', 'steelseries', 'count', '37', 'sum(price)', '1851.12']
], res)
def testFilter(self):
cmd = [
'ft.aggregate', 'games', '*', 'GROUPBY', '1', '@brand', 'REDUCE',
'count', '0', 'AS', 'count', 'FILTER', '@count > 5'
]
res = self.env.cmd(*cmd)
for row in res[1:]:
row = to_dict(row)
self.env.assertGreater(int(row['count']), 5)
cmd = [
'ft.aggregate', 'games', '*', 'GROUPBY', '1', '@brand', 'REDUCE',
'count', '0', 'AS', 'count', 'FILTER', '@count < 5', 'FILTER',
'@count > 2 && @brand != ""'
]
res = self.env.cmd(*cmd)
for row in res[1:]:
row = to_dict(row)
self.env.assertLess(int(row['count']), 5)
self.env.assertGreater(int(row['count']), 2)
def testToList(self):
cmd = [
'ft.aggregate', 'games', '*', 'GROUPBY', '1', '@brand', 'REDUCE',
'count_distinct', '1', '@price', 'as', 'count', 'REDUCE', 'tolist',
1, '@price', 'as', 'prices', 'SORTBY', 2, '@count', 'desc',
'LIMIT', '0', '5'
]
res = self.env.cmd(*cmd)
for row in res[1:]:
row = to_dict(row)
self.env.assertEqual(int(row['count']), len(row['prices']))
def testSortBy(self):
res = self.env.cmd('ft.aggregate', 'games', '*', 'GROUPBY', '1',
'@brand', 'REDUCE', 'sum', 1, '@price', 'as',
'price', 'SORTBY', 2, '@price', 'desc', 'LIMIT',
'0', '2')
self.env.assertListEqual([
292L, ['brand', '', 'price', '44780.69'],
['brand', 'mad catz', 'price', '3973.48']
], res)
res = self.env.cmd('ft.aggregate', 'games', '*', 'GROUPBY', '1',
'@brand', 'REDUCE', 'sum', 1, '@price', 'as',
'price', 'SORTBY', 2, '@price', 'asc', 'LIMIT', '0',
'2')
self.env.assertListEqual([
292L, ['brand', 'myiico', 'price', '0.23'],
['brand', 'crystal dynamics', 'price', '0.25']
], res)
# Test MAX with limit higher than it
res = self.env.cmd('ft.aggregate', 'games', '*', 'GROUPBY', '1',
'@brand', 'REDUCE', 'sum', 1, '@price', 'as',
'price', 'SORTBY', 2, '@price', 'asc', 'MAX', 2)
self.env.assertListEqual([
292L, ['brand', 'myiico', 'price', '0.23'],
['brand', 'crystal dynamics', 'price', '0.25']
], res)
# Test Sorting by multiple properties
res = self.env.cmd(
'ft.aggregate',
'games',
'*',
'GROUPBY',
'1',
'@brand',
'REDUCE',
'sum',
1,
'@price',
'as',
'price',
'APPLY',
'(@price % 10)',
'AS',
'price',
'SORTBY',
4,
'@price',
'asc',
'@brand',
'desc',
'MAX',
10,
)
self.env.assertListEqual([
292L, ['brand', 'zps', 'price', '0'],
['brand', 'zalman', 'price', '0'], [
'brand', 'yoozoo', 'price', '0'
], ['brand', 'white label', 'price', '0'],
['brand', 'stinky', 'price', '0'],
['brand', 'polaroid', 'price', '0'],
['brand', 'plantronics', 'price', '0'],
['brand', 'ozone', 'price', '0'], ['brand', 'oooo', 'price', '0'],
['brand', 'neon', 'price', '0']
], res)
def testExpressions(self):
pass
def testNoGroup(self):
res = self.env.cmd(
'ft.aggregate',
'games',
'*',
'LOAD',
'2',
'@brand',
'@price',
'APPLY',
'floor(sqrt(@price)) % 10',
'AS',
'price',
'SORTBY',
4,
'@price',
'desc',
'@brand',
'desc',
'MAX',
5,
)
exp = [
2265L, ['brand', 'xbox', 'price', '9'],
['brand', 'turtle beach', 'price', '9'],
['brand', 'trust', 'price', '9'],
['brand', 'steelseries', 'price', '9'],
['brand', 'speedlink', 'price', '9']
]
# exp = [2265L, ['brand', 'Xbox', 'price', '9'], ['brand', 'Turtle Beach', 'price', '9'], [
# 'brand', 'Trust', 'price', '9'], ['brand', 'SteelSeries', 'price', '9'], ['brand', 'Speedlink', 'price', '9']]
self.env.assertListEqual(exp[1], res[1])
def testLoad(self):
res = self.env.cmd('ft.aggregate', 'games', '*', 'LOAD', '3', '@brand',
'@price', '@nonexist', 'SORTBY', 2, '@price',
'DESC', 'MAX', 2)
exp = [
3L, ['brand', '', 'price', '759.12'],
['brand', 'Sony', 'price', '695.8']
]
self.env.assertEqual(exp[1], res[1])
def testSplit(self):
res = self.env.cmd(
'ft.aggregate', 'games', '*', 'APPLY',
'split("hello world, foo,,,bar,", ",", " ")', 'AS', 'strs',
'APPLY', 'split("hello world, foo,,,bar,", " ", ",")', 'AS',
'strs2', 'APPLY', 'split("hello world, foo,,,bar,", "", "")',
'AS', 'strs3', 'APPLY', 'split("hello world, foo,,,bar,")', 'AS',
'strs4', 'APPLY', 'split("hello world, foo,,,bar,",",")', 'AS',
'strs5', 'APPLY', 'split("")', 'AS', 'empty', 'LIMIT', '0', '1')
# print "Got {} results".format(len(res))
# return
# pprint.pprint(res)
self.env.assertListEqual([
1L,
[
'strs', ['hello world', 'foo', 'bar'], 'strs2',
['hello', 'world', 'foo,,,bar'], 'strs3',
['hello world, foo,,,bar,'], 'strs4',
['hello world', 'foo', 'bar'], 'strs5',
['hello world', 'foo', 'bar'], 'empty', []
]
], res)
def testFirstValue(self):
res = self.env.cmd(
'ft.aggregate', 'games',
'@brand:(sony|matias|beyerdynamic|(mad catz))', 'GROUPBY', 1,
'@brand', 'REDUCE', 'FIRST_VALUE', 4, '@title', 'BY', '@price',
'DESC', 'AS', 'top_item', 'REDUCE', 'FIRST_VALUE', 4, '@price',
'BY', '@price', 'DESC', 'AS', 'top_price', 'REDUCE', 'FIRST_VALUE',
4, '@title', 'BY', '@price', 'ASC', 'AS', 'bottom_item', 'REDUCE',
'FIRST_VALUE', 4, '@price', 'BY', '@price', 'ASC', 'AS',
'bottom_price', 'SORTBY', 2, '@top_price', 'DESC', 'MAX', 5)
expected = [
4L,
[
'brand', 'sony', 'top_item',
'sony psp slim & lite 2000 console', 'top_price', '695.8',
'bottom_item',
'sony dlchd20p high speed hdmi cable for playstation 3',
'bottom_price', '5.88'
],
[
'brand', 'matias', 'top_item', 'matias halfkeyboard usb',
'top_price', '559.99', 'bottom_item',
'matias halfkeyboard usb', 'bottom_price', '559.99'
],
[
'brand', 'beyerdynamic', 'top_item',
'beyerdynamic mmx300 pc gaming premium digital headset with microphone',
'top_price', '359.74', 'bottom_item',
'beyerdynamic headzone pc gaming digital surround sound system with mmx300 digital headset with microphone',
'bottom_price', '0'
],
[
'brand', 'mad catz', 'top_item',
'mad catz s.t.r.i.k.e.7 gaming keyboard', 'top_price',
'295.95', 'bottom_item',
'madcatz mov4545 xbox replacement breakaway cable',
'bottom_price', '3.49'
]
]
self.env.assertListEqual(expected, res)
def testLoadAfterGroupBy(self):
with self.env.assertResponseError():
self.env.cmd('ft.aggregate', 'games', '*', 'GROUPBY', 1, '@brand',
'LOAD', 1, '@brand')
class testExpandInto():
def __init__(self):
self.env = Env(decodeResponses=True)
# test expand into single hop no multi-edge
# (:A)-[:R]->(:B)
def test01_single_hop_no_multi_edge(self):
redis_con = self.env.getConnection()
graph = Graph(GRAPH_ID, redis_con)
try:
graph.delete()
except:
pass
# create graph
query = "CREATE (:A)-[:R {v:1}]->(:B)"
graph.query(query)
# make sure (a) is connected to (b) via a 'R' edge
query = "MATCH (a:A)-[]->(b:B) WITH a,b MATCH (a)-[:R]->(b) RETURN count(a)"
plan = graph.execution_plan(query)
result = graph.query(query)
self.env.assertIn("Expand Into", plan)
self.env.assertEquals(1, result.result_set[0][0])
query = "MATCH (a:A)-[]->(b:B) WITH a,b MATCH (a)-[e:R]->(b) RETURN e.v"
plan = graph.execution_plan(query)
result = graph.query(query)
self.env.assertIn("Expand Into", plan)
self.env.assertEquals(1, result.result_set[0][0])
# test expand into single hop multi-edge
# (:A)-[:R]->(:B), (:A)-[:R]->(:B)
def test02_single_hop_multi_edge(self):
redis_con = self.env.getConnection()
graph = Graph(GRAPH_ID, redis_con)
graph.delete()
# create graph
query = "CREATE (a:A)-[:R {v:1}]->(b:B), (a)-[:R {v:2}]->(b)"
graph.query(query)
# make sure (a) is connected to (b) via a 'R' edge
# there are multiple edges of type 'R' connecting the two
query = "MATCH (a:A)-[]->(b:B) WITH a,b MATCH (a)-[e:R]->(b) RETURN count(e)"
plan = graph.execution_plan(query)
result = graph.query(query)
self.env.assertIn("Expand Into", plan)
self.env.assertEquals(2, result.result_set[0][0])
query = "MATCH (a:A)-[]->(b:B) WITH a,b MATCH (a)-[e:R]->(b) RETURN e.v ORDER BY e.v"
plan = graph.execution_plan(query)
result = graph.query(query)
self.env.assertIn("Expand Into", plan)
self.env.assertEquals(1, result.result_set[0][0])
self.env.assertEquals(2, result.result_set[1][0])
# test expand into multiple hops with no multi-edge
# (:A)-[:R]->()-[:R]->(:B)
def test03_multi_hop_no_multi_edge(self):
redis_con = self.env.getConnection()
graph = Graph(GRAPH_ID, redis_con)
graph.delete()
# create graph
query = "CREATE (:A)-[:R]->()-[:R]->(:B)"
graph.query(query)
# make sure (a) is connected to (b) via a 'R' edge
# expand-into inspects the result of (F*R*ADJ)[a,b]
query = "MATCH (a:A)-[*]->(b:B) WITH a,b MATCH (a)-[:R]->()-[]->(b) RETURN count(a)"
plan = graph.execution_plan(query)
result = graph.query(query)
self.env.assertIn("Expand Into", plan)
self.env.assertEquals(1, result.result_set[0][0])
# test expand into multiple hops with multi-edge
# (a:A)-[:R]->(i)-[:R]->(b:B)
# (a:A)-[:R]->(i)-[:R]->(b:B)
def test04_multi_hop_multi_edge(self):
redis_con = self.env.getConnection()
graph = Graph(GRAPH_ID, redis_con)
graph.delete()
# create graph
query = "CREATE (a:A), (b:B), (i), (a)-[:R]->(i)-[:R]->(b), (a)-[:R]->(i)-[:R]->(b)"
graph.query(query)
# make sure (a) is connected to (b) via a 'R' edge
# there are multiple ways to reach (b) from (a)
query = "MATCH (a:A)-[*]->(b:B) WITH a,b MATCH (a)-[:R]->()-[]->(b) RETURN count(1)"
plan = graph.execution_plan(query)
result = graph.query(query)
self.env.assertIn("Expand Into", plan)
self.env.assertEquals(4, result.result_set[0][0])
class testQueryValidationFlow(FlowTestsBase):
def __init__(self):
self.env = Env(decodeResponses=True)
global redis_con
global redis_graph
redis_con = self.env.getConnection()
redis_graph = Graph("G", redis_con)
self.populate_graph()
def populate_graph(self):
# Create a single graph.
global redis_graph
node = Node(properties={"age": 34})
redis_graph.add_node(node)
redis_graph.commit()
# Expect an error when trying to use a function which does not exists.
def test01_none_existing_function(self):
query = """MATCH (n) RETURN noneExistingFunc(n.age) AS cast"""
try:
redis_graph.query(query)
self.env.assertTrue(False)
except redis.exceptions.ResponseError:
# Expecting an error.
pass
# Make sure function validation is type case insensitive.
def test02_case_insensitive_function_name(self):
try:
query = """MATCH (n) RETURN mAx(n.age)"""
redis_graph.query(query)
except redis.exceptions.ResponseError:
# function validation should be case insensitive.
self.env.assertTrue(False)
def test03_edge_missing_relation_type(self):
try:
query = """CREATE (n:Person {age:32})-[]->(:person {age:30})"""
redis_graph.query(query)
self.env.assertTrue(False)
except redis.exceptions.ResponseError:
# Expecting an error.
pass
def test04_escaped_quotes(self):
query = r"CREATE (:escaped{prop1:'single \' char', prop2: 'double \" char', prop3: 'mixed \' and \" chars'})"
actual_result = redis_graph.query(query)
self.env.assertEquals(actual_result.nodes_created, 1)
self.env.assertEquals(actual_result.properties_set, 3)
query = r"MATCH (a:escaped) RETURN a.prop1, a.prop2, a.prop3"
actual_result = redis_graph.query(query)
expected_result = [[
"single ' char", 'double " char', 'mixed \' and " chars'
]]
self.env.assertEquals(actual_result.result_set, expected_result)
def test05_invalid_entity_references(self):
try:
query = """MATCH (a) RETURN e"""
redis_graph.query(query)
assert (False)
except redis.exceptions.ResponseError:
# Expecting an error.
pass
try:
query = """MATCH (a) RETURN a ORDER BY e"""
redis_graph.query(query)
assert (False)
except redis.exceptions.ResponseError:
# Expecting an error.
pass
def test06_where_references(self):
try:
query = """MATCH (a) WHERE fake = true RETURN a"""
redis_graph.query(query)
assert (False)
except redis.exceptions.ResponseError:
# Expecting an error.
pass
def test07_with_references(self):
try:
query = """MATCH (a) WITH e RETURN e"""
redis_graph.query(query)
assert (False)
except redis.exceptions.ResponseError:
# Expecting an error.
pass
def test08_count_distinct_star(self):
try:
query = """MATCH (a) RETURN COUNT(DISTINCT *)"""
redis_graph.query(query)
assert (False)
except redis.exceptions.ResponseError:
# Expecting an error.
pass
def test09_invalid_apply_all(self):
try:
query = """MATCH (a) RETURN SUM(*)"""
redis_graph.query(query)
assert (False)
except redis.exceptions.ResponseError:
# Expecting an error.
pass
def test10_missing_params(self):
try:
query = """MATCH (a {name:$name}) RETURN a"""
redis_graph.query(query)
assert (False)
except redis.exceptions.ResponseError:
# Expecting an error.
pass
def test11_param_error(self):
try:
query = """CYPHER name=({name:'a'}) MATCH (a {name:$name}) RETURN a"""
redis_graph.query(query)
assert (False)
except redis.exceptions.ResponseError:
# Expecting an error.
pass
def test12_invalid_query_order(self):
try:
query = """MERGE (a) MATCH (a)-[]->(b) RETURN b"""
redis_graph.query(query)
assert (False)
except redis.exceptions.ResponseError:
# Expecting an error.
pass
def test13_create_bound_variables(self):
try:
query = """MATCH (a)-[e]->(b) CREATE (a)-[e]->(b)"""
redis_graph.query(query)
assert (False)
except redis.exceptions.ResponseError:
# Expecting an error.
pass
def test14_treat_path_as_entity(self):
redis_graph.query("CREATE ()-[:R]->()")
try:
query = """MATCH x=()-[]->() RETURN x.name"""
redis_graph.query(query)
assert (False)
except redis.exceptions.ResponseError:
# Expecting an error.
pass
def test15_dont_crash_on_multiple_errors(self):
try:
query = """MATCH (a) where id(a) IN range(0) OR id(a) in range(1)"""
redis_graph.query(query)
assert (False)
except redis.exceptions.ResponseError:
# Expecting an error.
pass
# Run a query in which a parsed parameter introduces a type in an unsupported context.
def test16_param_introduces_unhandled_type(self):
try:
query = """CYPHER props={a:1,b:2} CREATE (a:A $props)"""
redis_graph.query(query)
assert (False)
except redis.exceptions.ResponseError as e:
# Expecting an error.
assert ("Encountered unhandled type" in str(e))
pass
# Validate that the module fails properly with incorrect argument counts.
def test17_query_arity(self):
# Call GRAPH.QUERY with a missing query argument.
try:
res = redis_con.execute_command("GRAPH.QUERY", "G")
assert (False)
except redis.exceptions.ResponseError as e:
# Expecting an error.
assert ("wrong number of arguments" in str(e))
pass
# Run queries in which compile-time variables are accessed but not defined.
def test18_undefined_variable_access(self):
try:
query = """CREATE (:person{name:bar[1]})"""
redis_graph.query(query)
assert (False)
except redis.exceptions.ResponseError as e:
# Expecting an error.
assert ("not defined" in str(e))
pass
try:
query = """MATCH (a {val: undeclared}) RETURN a"""
redis_graph.query(query)
assert (False)
except redis.exceptions.ResponseError as e:
# Expecting an error.
assert ("not defined" in str(e))
pass
try:
query = """UNWIND [fake] AS ref RETURN ref"""
redis_graph.query(query)
assert (False)
except redis.exceptions.ResponseError as e:
# Expecting an error.
assert ("not defined" in str(e))
pass
def test19_invalid_cypher_options(self):
query = "EXPLAIN MATCH (p:president)-[:born]->(:state {name:'Hawaii'}) RETURN p"
try:
redis_graph.query(query)
assert (False)
except:
# Expecting an error.
pass
query = "PROFILE MATCH (p:president)-[:born]->(:state {name:'Hawaii'}) RETURN p"
try:
redis_graph.query(query)
assert (False)
except:
# Expecting an error.
pass
query = "CYPHER val=1 EXPLAIN MATCH (p:president)-[:born]->(:state {name:'Hawaii'}) RETURN p"
try:
redis_graph.query(query)
assert (False)
except:
# Expecting an error.
pass
query = "CYPHER val=1 PROFILE MATCH (p:president)-[:born]->(:state {name:'Hawaii'}) RETURN p"
try:
redis_graph.query(query)
assert (False)
except:
# Expecting an error.
pass
# Undirected edges are not allowed in CREATE clauses.
def test20_undirected_edge_creation(self):
try:
query = """CREATE (:Endpoint)-[:R]-(:Endpoint)"""
redis_graph.query(query)
assert (False)
except redis.exceptions.ResponseError as e:
# Expecting an error.
assert ("Only directed relationships" in str(e))
pass
# Applying a filter for non existing entity.
def test20_non_existing_graph_entity(self):
try:
query = """MATCH p=() WHERE p.name='value' RETURN p"""
redis_graph.query(query)
assert (False)
except redis.exceptions.ResponseError as e:
# Expecting an error.
assert ("Type mismatch: expected Node but was Path" in str(e))
pass
# Comments should not affect query functionality.
def test21_ignore_query_comments(self):
query = """MATCH (n) // This is a comment
/* This is a block comment */
WHERE EXISTS(n.age)
RETURN n.age /* Also a block comment*/"""
actual_result = redis_graph.query(query)
expected_result = [[34]]
self.env.assertEquals(actual_result.result_set, expected_result)
query = """/* A block comment*/ MATCH (n) // This is a comment
/* This is a block comment */
WHERE EXISTS(n.age)
RETURN n.age /* Also a block comment*/"""
actual_result = redis_graph.query(query)
expected_result = [[34]]
self.env.assertEquals(actual_result.result_set, expected_result)
query = """// This is a comment
MATCH (n) // This is a comment
/* This is a block comment */
WHERE EXISTS(n.age)
RETURN n.age /* Also a block comment*/"""
actual_result = redis_graph.query(query)
expected_result = [[34]]
self.env.assertEquals(actual_result.result_set, expected_result)
query = """MATCH (n) /* This is a block comment */ WHERE EXISTS(n.age)
RETURN n.age /* Also a block comment*/"""
actual_result = redis_graph.query(query)
expected_result = [[34]]
self.env.assertEquals(actual_result.result_set, expected_result)
# Validate procedure call refrences and definitions
def test22_procedure_validations(self):
try:
# procedure call refering to a none existing alias 'n'
query = """CALL db.idx.fulltext.queryNodes(n, 'B') YIELD node RETURN node"""
redis_graph.query(query)
assert (False)
except redis.exceptions.ResponseError as e:
# Expecting an error.
assert ("not defined" in str(e))
pass
# refer to procedure call original output when output is aliased.
try:
query = """CALL db.idx.fulltext.queryNodes('A', 'B') YIELD node AS n RETURN node"""
redis_graph.query(query)
assert (False)
except redis.exceptions.ResponseError as e:
# Expecting an error.
assert ("not defined" in str(e))
pass
# valid procedure call, no output aliasing
query = """CALL db.idx.fulltext.queryNodes('A', 'B') YIELD node RETURN node"""
redis_graph.query(query)
# valid procedure call, output aliasing
query = """CALL db.idx.fulltext.queryNodes('A', 'B') YIELD node AS n RETURN n"""
redis_graph.query(query)
# Applying a filter for a non-boolean constant should raise a compile-time error.
def test23_invalid_constant_filter(self):
try:
query = """MATCH (a) WHERE 1 RETURN a"""
redis_graph.query(query)
assert (False)
except redis.exceptions.ResponseError as e:
assert ("Expected boolean predicate" in str(e))
pass
# Referencing a variable before defining it should raise a compile-time error.
def test24_reference_before_definition(self):
try:
query = """MATCH ({prop: reference}) MATCH (reference) RETURN *"""
redis_graph.query(query)
assert (False)
except redis.exceptions.ResponseError as e:
# Expecting an error.
assert ("not defined" in str(e))
pass
# Invalid filters in cartesian products should raise errors.
def test25_cartesian_product_invalid_filter(self):
try:
query = """MATCH p1=(), (n), ({prop: p1.path_val}) RETURN *"""
redis_graph.query(query)
assert (False)
except redis.exceptions.ResponseError as e:
# Expecting an error.
assert ("Type mismatch: expected Node but was Path" in str(e))
pass
# Scalar predicates in filters should raise errors.
def test26_invalid_filter_predicate(self):
try:
query = """WITH 1 AS a WHERE '' RETURN a"""
redis_graph.query(query)
assert (False)
except redis.exceptions.ResponseError as e:
# Expecting an error.
assert ("Expected boolean predicate" in str(e))
pass
# Conditional filters with non-boolean scalar predicate children should raise errors.
def test27_invalid_filter_predicate_child(self):
try:
# 'Amor' is an invalid construct for the RHS of 'OR'.
query = """MATCH (a:Author) WHERE a.name CONTAINS 'Ernest' OR 'Amor' RETURN a"""
redis_graph.query(query)
assert (False)
except redis.exceptions.ResponseError as e:
# Expecting an error.
assert ("Expected boolean predicate" in str(e))
pass
# The NOT operator does not compare left and right side expressions.
def test28_invalid_filter_binary_not(self):
try:
# Query should have been:
# MATCH (u) where u.v IS NOT NULL RETURN u
query = """MATCH (u) where u.v NOT NULL RETURN u"""
redis_graph.query(query)
assert (False)
except redis.exceptions.ResponseError as e:
# Expecting an error.
assert ("Invalid usage of 'NOT' filter" in str(e))
pass
def test29_invalid_filter_non_boolean_constant(self):
try:
query = """MATCH (a) WHERE a RETURN a"""
redis_graph.query(query)
assert (False)
except redis.exceptions.ResponseError as e:
assert ("expected Boolean but was Node" in str(e))
pass
try:
query = """MATCH (a) WHERE 1+rand() RETURN a"""
redis_graph.query(query)
assert (False)
except redis.exceptions.ResponseError as e:
assert ("expected Boolean but was Float" in str(e))
pass
try:
query = """CYPHER p=3 WITH 1 AS a WHERE $p RETURN a"""
redis_graph.query(query)
assert (False)
except redis.exceptions.ResponseError as e:
assert ("expected Boolean but was Integer" in str(e))
pass
# 'val' is a boolean, so this query is valid.
query = """WITH true AS val WHERE val return val"""
redis_graph.query(query)
# Non-existent properties are treated as NULLs, which are boolean in Cypher's 3-valued logic.
query = """MATCH (a) WHERE a.fakeprop RETURN a"""
redis_graph.query(query)
# Encountering traversals as property values or ORDER BY expressions should raise compile-time errors.
def test30_unexpected_traversals(self):
queries = [
"""MATCH (a {prop: ()-[]->()}) RETURN a""",
"""MATCH (a) RETURN a ORDER BY (a)-[]->()""",
"""MATCH (a) RETURN (a)-[]->()"""
]
for query in queries:
try:
redis_graph.query(query)
assert (False)
except redis.exceptions.ResponseError as e:
# Expecting an error.
assert ("Encountered path traversal" in str(e))
def test31_set_invalid_property_type(self):
# Skip this test if running under Valgrind, as it causes a memory leak.
if Env().envRunner.debugger is not None:
Env().skip()
queries = [
"""MATCH (a) CREATE (:L {v: a})""",
"""MATCH (a), (b) WHERE b.age IS NOT NULL SET b.age = a""",
"""MERGE (a) ON MATCH SET a.age = a"""
]
for q in queries:
try:
redis_graph.query(q)
assert (False)
except redis.exceptions.ResponseError as e:
# Expecting an error.
assert ("Property values can only be of primitive types"
in str(e))
pass
def test32_return_following_clauses(self):
# After a RETURN clause we're expecting only the following clauses:
# SKIP, LIMIT, ORDER-BY and UNION, given that SKIP and LIMIT are
# actually attributes of the RETURN clause this leaves us with
# ORDER-BY and UNION.
invalid_queries = [
"""RETURN 1 CREATE ()""", """RETURN 1 RETURN 2""",
"""MATCH(n) RETURN n DELETE n""",
"""MATCH(n) RETURN n SET n.v = 1""", """RETURN 1 MERGE ()""",
"""RETURN 1 MATCH (n) RETURN n""",
"""RETURN 1 WITH 1 as one RETURN one"""
]
# Invalid queries, expecting errors.
for q in invalid_queries:
try:
redis_graph.query(q)
assert (False)
except redis.exceptions.ResponseError as e:
# Expecting an error.
assert ("Unexpected clause following RETURN" in str(e))
pass
# Parameters cannot reference aliases.
def test33_alias_reference_in_param(self):
try:
query = """CYPHER A=[a] RETURN 5"""
redis_graph.query(query)
assert (False)
except redis.exceptions.ResponseError as e:
# Expecting an error.
assert ("Attempted to access variable" in str(e))
pass
def test34_self_referential_properties(self):
# Skip this test if running under Valgrind, as it causes a memory leak.
if Env().envRunner.debugger is not None:
Env().skip()
try:
# The server should emit an error on trying to create a node with a self-referential property.
query = """CREATE (a:L {v: a.v})"""
redis_graph.query(query)
assert (False)
except redis.exceptions.ResponseError as e:
# Expecting an error.
self.env.assertIn("undefined property", str(e))
# MATCH clauses should be able to use self-referential properties as existential filters.
query = """MATCH (a {age: a.age}) RETURN a.age"""
actual_result = redis_graph.query(query)
expected_result = [[34]]
self.env.assertEquals(actual_result.result_set, expected_result)
# Test a query that allocates a large buffer.
def test35_large_query(self):
retval = "abcdef" * 1_000
query = "RETURN " + "\"" + retval + "\""
actual_result = redis_graph.query(query)
self.env.assertEquals(actual_result.result_set[0][0], retval)
def test36_multiple_proc_calls(self):
query = """MATCH (a)
CALL algo.BFS(a, 3, NULL) YIELD nodes as ns1
MATCH (b)
CALL algo.BFS(b, 3, NULL) YIELD nodes as ns2
RETURN ns1"""
plan = redis_graph.execution_plan(query)
self.env.assertTrue(plan.count("ProcedureCall") == 2)
def test37_list_comprehension_missuse(self):
# all expect list comprehension,
# unfortunately this isn't enforced by the parser
# as such it is possible for a user miss-use this function
# and our current arithmetic expression construction logic will
# construct a malformed function call
# make sure we're reciving an exception for each miss-use query
queries = [
"WITH 1 AS x RETURN all(x > 2)", "WITH 1 AS x RETURN all([1],2,3)"
]
for q in queries:
try:
redis_graph.query(q)
assert (False)
except redis.exceptions.ResponseError as e:
pass
class testRelationPattern(FlowTestsBase):
def __init__(self):
self.env = Env(decodeResponses=True)
global redis_con
global redis_graph
redis_con = self.env.getConnection()
redis_graph = Graph(GRAPH_ID, redis_con)
self.populate_graph()
def populate_graph(self):
# Construct a graph with the form:
# (v1)-[:e]->(v2)-[:e]->(v3)
node_props = ['v1', 'v2', 'v3']
nodes = []
for idx, v in enumerate(node_props):
node = Node(label="L", properties={"val": v})
nodes.append(node)
redis_graph.add_node(node)
edge = Edge(nodes[0], "e", nodes[1])
redis_graph.add_edge(edge)
edge = Edge(nodes[1], "e", nodes[2])
redis_graph.add_edge(edge)
redis_graph.commit()
# Test patterns that traverse 1 edge.
def test01_one_hop_traversals(self):
# Conditional traversal with label
query = """MATCH (a)-[:e]->(b) RETURN a.val, b.val ORDER BY a.val, b.val"""
result_a = redis_graph.query(query)
# Conditional traversal without label
query = """MATCH (a)-[]->(b) RETURN a.val, b.val ORDER BY a.val, b.val"""
result_b = redis_graph.query(query)
# Fixed-length 1-hop traversal with label
query = """MATCH (a)-[:e*1]->(b) RETURN a.val, b.val ORDER BY a.val, b.val"""
result_c = redis_graph.query(query)
# Fixed-length 1-hop traversal without label
query = """MATCH (a)-[*1]->(b) RETURN a.val, b.val ORDER BY a.val, b.val"""
result_d = redis_graph.query(query)
self.env.assertEquals(result_b.result_set, result_a.result_set)
self.env.assertEquals(result_c.result_set, result_a.result_set)
self.env.assertEquals(result_d.result_set, result_a.result_set)
# Test patterns that traverse 2 edges.
def test02_two_hop_traversals(self):
# Conditional two-hop traversal without referenced intermediate node
query = """MATCH (a)-[:e]->()-[:e]->(b) RETURN a.val, b.val ORDER BY a.val, b.val"""
actual_result = redis_graph.query(query)
expected_result = [['v1', 'v3']]
self.env.assertEquals(actual_result.result_set, expected_result)
# Fixed-length two-hop traversal (same expected result)
query = """MATCH (a)-[:e*2]->(b) RETURN a.val, b.val ORDER BY a.val, b.val"""
self.env.assertEquals(actual_result.result_set, expected_result)
# Variable-length traversal with a minimum bound of 2 (same expected result)
query = """MATCH (a)-[*2..]->(b) RETURN a.val, b.val ORDER BY a.val, b.val"""
actual_result = redis_graph.query(query)
self.env.assertEquals(actual_result.result_set, expected_result)
# Conditional two-hop traversal with referenced intermediate node
query = """MATCH (a)-[:e]->(b)-[:e]->(c) RETURN a.val, b.val, c.val ORDER BY a.val, b.val"""
actual_result = redis_graph.query(query)
expected_result = [['v1', 'v2', 'v3']]
self.env.assertEquals(actual_result.result_set, expected_result)
# Test variable-length patterns
def test03_var_len_traversals(self):
# Variable-length traversal with label
query = """MATCH (a)-[:e*]->(b) RETURN a.val, b.val ORDER BY a.val, b.val"""
actual_result = redis_graph.query(query)
expected_result = [['v1', 'v2'],
['v1', 'v3'],
['v2', 'v3']]
self.env.assertEquals(actual_result.result_set, expected_result)
# Variable-length traversal without label (same expected result)
query = """MATCH (a)-[*]->(b) RETURN a.val, b.val ORDER BY a.val, b.val"""
actual_result = redis_graph.query(query)
self.env.assertEquals(actual_result.result_set, expected_result)
# Variable-length traversal with bounds 1..2 (same expected result)
query = """MATCH (a)-[:e*1..2]->(b) RETURN a.val, b.val ORDER BY a.val, b.val"""
actual_result = redis_graph.query(query)
self.env.assertEquals(actual_result.result_set, expected_result)
# Variable-length traversal with bounds 0..1
# This will return every node and itself, as well as all
# single-hop edges.
query = """MATCH (a)-[:e*0..1]->(b) RETURN a.val, b.val ORDER BY a.val, b.val"""
actual_result = redis_graph.query(query)
expected_result = [['v1', 'v1'],
['v1', 'v2'],
['v2', 'v2'],
['v2', 'v3'],
['v3', 'v3']]
self.env.assertEquals(actual_result.result_set, expected_result)
# Test variable-length patterns with alternately labeled source
# and destination nodes, which can cause different execution sequences.
def test04_variable_length_labeled_nodes(self):
# Source and edge labeled variable-length traversal
query = """MATCH (a:L)-[:e*]->(b) RETURN a.val, b.val ORDER BY a.val, b.val"""
actual_result = redis_graph.query(query)
expected_result = [['v1', 'v2'],
['v1', 'v3'],
['v2', 'v3']]
self.env.assertEquals(actual_result.result_set, expected_result)
# Destination and edge labeled variable-length traversal (same expected result)
query = """MATCH (a)-[:e*]->(b:L) RETURN a.val, b.val ORDER BY a.val, b.val"""
actual_result = redis_graph.query(query)
self.env.assertEquals(actual_result.result_set, expected_result)
# Source labeled variable-length traversal (same expected result)
query = """MATCH (a:L)-[*]->(b) RETURN a.val, b.val ORDER BY a.val, b.val"""
actual_result = redis_graph.query(query)
self.env.assertEquals(actual_result.result_set, expected_result)
# Destination labeled variable-length traversal (same expected result)
query = """MATCH (a)-[*]->(b:L) RETURN a.val, b.val ORDER BY a.val, b.val"""
actual_result = redis_graph.query(query)
self.env.assertEquals(actual_result.result_set, expected_result)
# Test traversals over explicit relationship types
def test05_relation_types(self):
# Add two nodes and two edges of a new type.
# The new form of the graph will be:
# (v1)-[:e]->(v2)-[:e]->(v3)-[:q]->(v4)-[:q]->(v5)
query = """MATCH (n {val: 'v3'}) CREATE (n)-[:q]->(:L {val: 'v4'})-[:q]->(:L {val: 'v5'})"""
actual_result = redis_graph.query(query)
self.env.assertEquals(actual_result.nodes_created, 2)
self.env.assertEquals(actual_result.relationships_created, 2)
# Verify the graph structure
query = """MATCH (a)-[e]->(b) RETURN a.val, b.val, TYPE(e) ORDER BY TYPE(e), a.val, b.val"""
actual_result = redis_graph.query(query)
expected_result = [['v1', 'v2', 'e'],
['v2', 'v3', 'e'],
['v3', 'v4', 'q'],
['v4', 'v5', 'q']]
self.env.assertEquals(actual_result.result_set, expected_result)
# Verify conditional traversals with explicit relation types
query = """MATCH (a)-[:e]->(b) RETURN a.val, b.val ORDER BY a.val, b.val"""
actual_result = redis_graph.query(query)
expected_result = [['v1', 'v2'],
['v2', 'v3']]
self.env.assertEquals(actual_result.result_set, expected_result)
query = """MATCH (a)-[:q]->(b) RETURN a.val, b.val ORDER BY a.val, b.val"""
actual_result = redis_graph.query(query)
expected_result = [['v3', 'v4'],
['v4', 'v5']]
self.env.assertEquals(actual_result.result_set, expected_result)
# Verify conditional traversals with multiple explicit relation types
query = """MATCH (a)-[e:e|:q]->(b) RETURN a.val, b.val, TYPE(e) ORDER BY TYPE(e), a.val, b.val"""
actual_result = redis_graph.query(query)
expected_result = [['v1', 'v2', 'e'],
['v2', 'v3', 'e'],
['v3', 'v4', 'q'],
['v4', 'v5', 'q']]
self.env.assertEquals(actual_result.result_set, expected_result)
# Verify variable-length traversals with explicit relation types
query = """MATCH (a)-[:e*]->(b) RETURN a.val, b.val ORDER BY a.val, b.val"""
actual_result = redis_graph.query(query)
expected_result = [['v1', 'v2'],
['v1', 'v3'],
['v2', 'v3']]
self.env.assertEquals(actual_result.result_set, expected_result)
query = """MATCH (a)-[:q*]->(b) RETURN a.val, b.val ORDER BY a.val, b.val"""
actual_result = redis_graph.query(query)
expected_result = [['v3', 'v4'],
['v3', 'v5'],
['v4', 'v5']]
self.env.assertEquals(actual_result.result_set, expected_result)
# Verify variable-length traversals with multiple explicit relation types
query = """MATCH (a)-[:e|:q*]->(b) RETURN a.val, b.val ORDER BY a.val, b.val"""
actual_result = redis_graph.query(query)
expected_result = [['v1', 'v2'],
['v1', 'v3'],
['v1', 'v4'],
['v1', 'v5'],
['v2', 'v3'],
['v2', 'v4'],
['v2', 'v5'],
['v3', 'v4'],
['v3', 'v5'],
['v4', 'v5']]
self.env.assertEquals(actual_result.result_set, expected_result)
# Test traversals over transposed edge matrices.
def test06_transposed_traversals(self):
# The intermediate node 'b' will be used to form the scan operation because it is filtered.
# As such, one of the traversals must be transposed.
query = """MATCH (a)-[e]->(b {val:'v3'})-[]->(c:L) RETURN COUNT(e)"""
plan = redis_graph.execution_plan(query)
# Verify that the execution plan contains two traversals following opposing edge directions.
self.env.assertIn("<-", plan)
self.env.assertIn("->", plan)
# Verify results.
actual_result = redis_graph.query(query)
expected_result = [[1]]
self.env.assertEquals(actual_result.result_set, expected_result)
def test07_transposed_multi_hop(self):
redis_con = self.env.getConnection()
g = Graph("tran_multi_hop", redis_con)
# (a)-[R]->(b)-[R]->(c)<-[R]-(d)<-[R]-(e)
a = Node(properties={"val": 'a'})
b = Node(properties={"val": 'b'})
c = Node(properties={"val": 'c'})
d = Node(properties={"val": 'd'})
e = Node(properties={"val": 'e'})
g.add_node(a)
g.add_node(b)
g.add_node(c)
g.add_node(d)
g.add_node(e)
ab = Edge(a, "R", b)
bc = Edge(b, "R", c)
ed = Edge(e, "R", d)
dc = Edge(d, "R", c)
g.add_edge(ab)
g.add_edge(bc)
g.add_edge(ed)
g.add_edge(dc)
g.flush()
q = """MATCH (a)-[*2]->(b)<-[*2]-(c) RETURN a.val, b.val, c.val ORDER BY a.val, b.val, c.val"""
actual_result = g.query(q)
expected_result = [['a', 'c', 'a'], ['a', 'c', 'e'], ['e', 'c', 'a'], ['e', 'c', 'e']]
self.env.assertEquals(actual_result.result_set, expected_result)
def test08_transposed_varlen_traversal(self):
# Verify that variable-length traversals with nested transpose operations perform correctly.
query = """MATCH (a {val: 'v1'})-[*]-(b {val: 'v2'})-[:e]->(:L {val: 'v3'}) RETURN a.val ORDER BY a.val"""
actual_result = redis_graph.query(query)
expected_result = [['v1']]
self.env.assertEquals(actual_result.result_set, expected_result)
def test09_transposed_elem_order(self):
redis_con = self.env.getConnection()
g = Graph("transpose_patterns", redis_con)
# Create a new graph of the form:
# (A)<-[1]-(B)-[2]->(C)
g.query("CREATE (a:A)<-[:E {val:'ba'}]-(b:B)-[:E {val:'bc'}]->(c:C)")
queries = ["MATCH (a:A)<-[e1]-(b:B)-[e2]->(c:C) RETURN e1.val, e2.val",
"MATCH (a:A) WITH a MATCH (a)<-[e1]-(b:B)-[e2]->(c:C) RETURN e1.val, e2.val",
"MATCH (b:B) WITH b MATCH (a:A)<-[e1]-(b)-[e2]->(c:C) RETURN e1.val, e2.val",
"MATCH (c:C) WITH c MATCH (a:A)<-[e1]-(b:B)-[e2]->(c) RETURN e1.val, e2.val",
]
expected_result = [['ba', 'bc']]
for query in queries:
actual_result = g.query(query)
self.env.assertEquals(actual_result.result_set, expected_result)
def test10_triple_edge_type(self):
# Construct a simple graph:
# (A)-[X]->(B)
# (A)-[Y]->(C)
# (A)-[Z]->(D)
g = Graph("triple_edge_type", redis_con)
q = "CREATE(a:A), (b:B), (c:C), (d:D), (a)-[:X]->(b), (a)-[:Y]->(c), (a)-[:Z]->(d)"
g.query(q)
labels = ['X', 'Y', 'Z']
expected_result = [[['B']], [['C']], [['D']]]
q = "MATCH (a)-[:{L0}|:{L1}|:{L2}]->(b) RETURN labels(b) AS label ORDER BY label"
import itertools
for perm in itertools.permutations(labels):
res = g.query(q.format(L0=perm[0], L1=perm[1], L2=perm[2]))
self.env.assertEquals(res.result_set, expected_result)
class testGraphBulkInsertFlow(FlowTestsBase):
def __init__(self):
self.env = Env(decodeResponses=True)
global redis_graph
global redis_con
redis_con = self.env.getConnection()
redis_graph = Graph("graph", redis_con)
# Run bulk loader script and validate terminal output
def test01_run_script(self):
graphname = "graph"
runner = CliRunner()
csv_path = os.path.dirname(os.path.abspath(
__file__)) + '/../../demo/social/resources/bulk_formatted/'
res = runner.invoke(bulk_insert, [
'--port', port, '--nodes', csv_path + 'Person.csv', '--nodes',
csv_path + 'Country.csv', '--relations', csv_path + 'KNOWS.csv',
'--relations', csv_path + 'VISITED.csv', graphname
])
# The script should report 27 node creations and 48 edge creations
self.env.assertEquals(res.exit_code, 0)
self.env.assertIn('27 nodes created', res.output)
self.env.assertIn('56 relations created', res.output)
# Validate that the expected nodes and properties have been constructed
def test02_validate_nodes(self):
global redis_graph
# Query the newly-created graph
query_result = redis_graph.query(
'MATCH (p:Person) RETURN p.name, p.age, p.gender, p.status, ID(p) ORDER BY p.name'
)
# Verify that the Person label exists, has the correct attributes, and is properly populated
expected_result = [['Ailon Velger', 32, 'male', 'married', 2],
['Alon Fital', 32, 'male', 'married', 1],
['Boaz Arad', 31, 'male', 'married', 4],
['Gal Derriere', 26, 'male', 'single', 11],
['Jane Chernomorin', 31, 'female', 'married', 8],
['Lucy Yanfital', 30, 'female', 'married', 7],
['Mor Yesharim', 31, 'female', 'married', 12],
['Noam Nativ', 34, 'male', 'single', 13],
['Omri Traub', 33, 'male', 'single', 5],
['Ori Laslo', 32, 'male', 'married', 3],
['Roi Lipman', 32, 'male', 'married', 0],
['Shelly Laslo Rooz', 31, 'female', 'married', 9],
['Tal Doron', 32, 'male', 'single', 6],
[
'Valerie Abigail Arad', 31, 'female', 'married',
10
]]
self.env.assertEquals(query_result.result_set, expected_result)
# Verify that the Country label exists, has the correct attributes, and is properly populated
query_result = redis_graph.query(
'MATCH (c:Country) RETURN c.name, ID(c) ORDER BY c.name')
expected_result = [['Andora', 21], ['Canada', 18], ['China', 19],
['Germany', 24], ['Greece', 17], ['Italy', 25],
['Japan', 16], ['Kazakhstan', 22],
['Netherlands', 20], ['Prague', 15], ['Russia', 23],
['Thailand', 26], ['USA', 14]]
self.env.assertEquals(query_result.result_set, expected_result)
# Validate that the expected relations and properties have been constructed
def test03_validate_relations(self):
# Query the newly-created graph
query_result = redis_graph.query(
'MATCH (a)-[e:KNOWS]->(b) RETURN a.name, e.relation, b.name ORDER BY e.relation, a.name, b.name'
)
expected_result = [['Ailon Velger', 'friend', 'Noam Nativ'],
['Alon Fital', 'friend', 'Gal Derriere'],
['Alon Fital', 'friend', 'Mor Yesharim'],
['Boaz Arad', 'friend', 'Valerie Abigail Arad'],
['Roi Lipman', 'friend', 'Ailon Velger'],
['Roi Lipman', 'friend', 'Alon Fital'],
['Roi Lipman', 'friend', 'Boaz Arad'],
['Roi Lipman', 'friend', 'Omri Traub'],
['Roi Lipman', 'friend', 'Ori Laslo'],
['Roi Lipman', 'friend', 'Tal Doron'],
['Ailon Velger', 'married', 'Jane Chernomorin'],
['Alon Fital', 'married', 'Lucy Yanfital'],
['Ori Laslo', 'married', 'Shelly Laslo Rooz']]
self.env.assertEquals(query_result.result_set, expected_result)
query_result = redis_graph.query(
'MATCH (a)-[e:VISITED]->(b) RETURN a.name, e.purpose, b.name ORDER BY e.purpose, a.name, b.name'
)
expected_result = [['Alon Fital', 'business', 'Prague'],
['Alon Fital', 'business', 'USA'],
['Boaz Arad', 'business', 'Netherlands'],
['Boaz Arad', 'business', 'USA'],
['Gal Derriere', 'business', 'Netherlands'],
['Jane Chernomorin', 'business', 'USA'],
['Lucy Yanfital', 'business', 'USA'],
['Mor Yesharim', 'business', 'Germany'],
['Ori Laslo', 'business', 'China'],
['Ori Laslo', 'business', 'USA'],
['Roi Lipman', 'business', 'Prague'],
['Roi Lipman', 'business', 'USA'],
['Tal Doron', 'business', 'Japan'],
['Tal Doron', 'business', 'USA'],
['Alon Fital', 'pleasure', 'Greece'],
['Alon Fital', 'pleasure', 'Prague'],
['Alon Fital', 'pleasure', 'USA'],
['Boaz Arad', 'pleasure', 'Netherlands'],
['Boaz Arad', 'pleasure', 'USA'],
['Jane Chernomorin', 'pleasure', 'Greece'],
['Jane Chernomorin', 'pleasure', 'Netherlands'],
['Jane Chernomorin', 'pleasure', 'USA'],
['Lucy Yanfital', 'pleasure', 'Kazakhstan'],
['Lucy Yanfital', 'pleasure', 'Prague'],
['Lucy Yanfital', 'pleasure', 'USA'],
['Mor Yesharim', 'pleasure', 'Greece'],
['Mor Yesharim', 'pleasure', 'Italy'],
['Noam Nativ', 'pleasure', 'Germany'],
['Noam Nativ', 'pleasure', 'Netherlands'],
['Noam Nativ', 'pleasure', 'Thailand'],
['Omri Traub', 'pleasure', 'Andora'],
['Omri Traub', 'pleasure', 'Greece'],
['Omri Traub', 'pleasure', 'USA'],
['Ori Laslo', 'pleasure', 'Canada'],
['Roi Lipman', 'pleasure', 'Japan'],
['Roi Lipman', 'pleasure', 'Prague'],
['Shelly Laslo Rooz', 'pleasure', 'Canada'],
['Shelly Laslo Rooz', 'pleasure', 'China'],
['Shelly Laslo Rooz', 'pleasure', 'USA'],
['Tal Doron', 'pleasure', 'Andora'],
['Tal Doron', 'pleasure', 'USA'],
['Valerie Abigail Arad', 'pleasure', 'Netherlands'],
['Valerie Abigail Arad', 'pleasure', 'Russia']]
self.env.assertEquals(query_result.result_set, expected_result)
def test04_private_identifiers(self):
graphname = "tmpgraph1"
# Write temporary files
with open('/tmp/nodes.tmp', mode='w') as csv_file:
out = csv.writer(csv_file)
out.writerow(["_identifier", "nodename"])
out.writerow([0, "a"])
out.writerow([5, "b"])
out.writerow([3, "c"])
with open('/tmp/relations.tmp', mode='w') as csv_file:
out = csv.writer(csv_file)
out.writerow(["src", "dest"])
out.writerow([0, 3])
out.writerow([5, 3])
runner = CliRunner()
res = runner.invoke(bulk_insert, [
'--port', port, '--nodes', '/tmp/nodes.tmp', '--relations',
'/tmp/relations.tmp', graphname
])
# The script should report 3 node creations and 2 edge creations
self.env.assertEquals(res.exit_code, 0)
self.env.assertIn('3 nodes created', res.output)
self.env.assertIn('2 relations created', res.output)
# Delete temporary files
os.remove('/tmp/nodes.tmp')
os.remove('/tmp/relations.tmp')
tmp_graph = Graph(graphname, redis_con)
# The field "_identifier" should not be a property in the graph
query_result = tmp_graph.query('MATCH (a) RETURN a')
for propname in query_result.header:
self.env.assertNotIn('_identifier', propname)
def test05_reused_identifier(self):
graphname = "tmpgraph2"
# Write temporary files
with open('/tmp/nodes.tmp', mode='w') as csv_file:
out = csv.writer(csv_file)
out.writerow(["_identifier", "nodename"])
out.writerow([0, "a"])
out.writerow([5, "b"])
out.writerow([0, "c"]) # reused identifier
with open('/tmp/relations.tmp', mode='w') as csv_file:
out = csv.writer(csv_file)
out.writerow(["src", "dest"])
out.writerow([0, 3])
runner = CliRunner()
res = runner.invoke(bulk_insert, [
'--port', port, '--nodes', '/tmp/nodes.tmp', '--relations',
'/tmp/relations.tmp', graphname
])
# The script should fail because a node identifier is reused
self.env.assertNotEqual(res.exit_code, 0)
self.env.assertIn('used multiple times', res.output)
# Run the script again without creating relations
runner = CliRunner()
res = runner.invoke(
bulk_insert,
['--port', port, '--nodes', '/tmp/nodes.tmp', graphname])
# The script should succeed and create 3 nodes
self.env.assertEquals(res.exit_code, 0)
self.env.assertIn('3 nodes created', res.output)
# Delete temporary files
os.remove('/tmp/nodes.tmp')
os.remove('/tmp/relations.tmp')
def test06_batched_build(self):
# Create demo graph wth one query per input file
graphname = "batched_graph"
runner = CliRunner()
csv_path = os.path.dirname(os.path.abspath(
__file__)) + '/../../demo/social/resources/bulk_formatted/'
res = runner.invoke(bulk_insert, [
'--port', port, '--nodes', csv_path + 'Person.csv', '--nodes',
csv_path + 'Country.csv', '--relations', csv_path + 'KNOWS.csv',
'--relations', csv_path + 'VISITED.csv', '--max-token-count', 1,
graphname
])
self.env.assertEquals(res.exit_code, 0)
# The script should report statistics multiple times
self.env.assertGreater(res.output.count('nodes created'), 1)
new_graph = Graph(graphname, redis_con)
# Newly-created graph should be identical to graph created in single query
original_result = redis_graph.query(
'MATCH (p:Person) RETURN p, ID(p) ORDER BY p.name')
new_result = new_graph.query(
'MATCH (p:Person) RETURN p, ID(p) ORDER BY p.name')
self.env.assertEquals(original_result.result_set,
new_result.result_set)
original_result = redis_graph.query(
'MATCH (a)-[e:KNOWS]->(b) RETURN a.name, e, b.name ORDER BY e.relation, a.name'
)
new_result = new_graph.query(
'MATCH (a)-[e:KNOWS]->(b) RETURN a.name, e, b.name ORDER BY e.relation, a.name'
)
self.env.assertEquals(original_result.result_set,
new_result.result_set)
def test07_script_failures(self):
graphname = "tmpgraph3"
# Write temporary files
with open('/tmp/nodes.tmp', mode='w') as csv_file:
out = csv.writer(csv_file)
out.writerow(["id", "nodename"])
out.writerow([0]) # Wrong number of properites
runner = CliRunner()
res = runner.invoke(
bulk_insert,
['--port', port, '--nodes', '/tmp/nodes.tmp', graphname])
# The script should fail because a row has the wrong number of fields
self.env.assertNotEqual(res.exit_code, 0)
self.env.assertIn('Expected 2 columns', str(res.exception))
# Write temporary files
with open('/tmp/nodes.tmp', mode='w') as csv_file:
out = csv.writer(csv_file)
out.writerow(["id", "nodename"])
out.writerow([0, "a"])
with open('/tmp/relations.tmp', mode='w') as csv_file:
out = csv.writer(csv_file)
out.writerow(["src"]) # Incomplete relation description
out.writerow([0])
runner = CliRunner()
res = runner.invoke(bulk_insert, [
'--port', port, '--nodes', '/tmp/nodes.tmp', '--relations',
'/tmp/relations.tmp', graphname
])
# The script should fail because a row has the wrong number of fields
self.env.assertNotEqual(res.exit_code, 0)
self.env.assertIn('should have at least 2 elements',
str(res.exception))
with open('/tmp/relations.tmp', mode='w') as csv_file:
out = csv.writer(csv_file)
out.writerow(["src", "dest"])
out.writerow([0, "fakeidentifier"])
runner = CliRunner()
res = runner.invoke(bulk_insert, [
'--port', port, '--nodes', '/tmp/nodes.tmp', '--relations',
'/tmp/relations.tmp', graphname
])
# The script should fail because an invalid node identifier was used
self.env.assertNotEqual(res.exit_code, 0)
self.env.assertIn('fakeidentifier', str(res.exception))
os.remove('/tmp/nodes.tmp')
os.remove('/tmp/relations.tmp')
# Test passing invalid arguments directly to the GRAPH.BULK endpoint
try:
redis_con.execute_command("GRAPH.BULK", "a", "a", "a")
self.env.assertTrue(False)
except redis.exceptions.ResponseError as e:
self.env.assertIn("Invalid graph operation on empty key", str(e))
# Verify that numeric, boolean, and null types are properly handled
def test08_property_types(self):
graphname = "tmpgraph4"
# Write temporary files
with open('/tmp/nodes.tmp', mode='w') as csv_file:
out = csv.writer(csv_file)
out.writerow(["numeric", "mixed", "bool"])
out.writerow([0, '', True])
out.writerow([5, "notnull", False])
out.writerow([7, '', False]) # reused identifier
with open('/tmp/relations.tmp', mode='w') as csv_file:
out = csv.writer(csv_file)
out.writerow(["src", "dest", "prop"])
out.writerow([0, 5, True])
out.writerow([5, 7, 3.5])
out.writerow([7, 0, ''])
runner = CliRunner()
res = runner.invoke(bulk_insert, [
'--port', port, '--nodes', '/tmp/nodes.tmp', '--relations',
'/tmp/relations.tmp', graphname
])
self.env.assertEquals(res.exit_code, 0)
self.env.assertIn('3 nodes created', res.output)
self.env.assertIn('3 relations created', res.output)
graph = Graph(graphname, redis_con)
query_result = graph.query(
'MATCH (a)-[e]->() RETURN a.numeric, a.mixed, a.bool, e.prop ORDER BY a.numeric, e.prop'
)
expected_result = [[0, None, True, True], [5, 'notnull', False, 3.5],
[7, None, False, None]]
# The graph should have the correct types for all properties
self.env.assertEquals(query_result.result_set, expected_result)
# Verify that the bulk loader does not block the server
def test09_large_bulk_insert(self):
graphname = "tmpgraph5"
prop_str = "Property value to be repeated 1 million generating a multi-megabyte CSV"
# Write temporary files
filename = '/tmp/nodes.tmp'
with open(filename, mode='w') as csv_file:
out = csv.writer(csv_file)
out.writerow(["long_property_string"])
for i in range(100_000):
out.writerow([prop_str])
# Instantiate a thread to run the bulk loader
thread = threading.Thread(target=run_bulk_loader,
args=(graphname, filename))
thread.start()
# Ping server while bulk-loader is running
ping_count = 0
while thread.is_alive():
t0 = time.time()
redis_con.ping()
t1 = time.time() - t0
# Verify that pinging the server takes less than 1 second during bulk insertion
self.env.assertLess(t1, 2)
ping_count += 1
thread.join()
# Verify that at least one ping was issued
self.env.assertGreater(ping_count, 1)
class testIndexUpdatesFlow(FlowTestsBase):
def __init__(self):
self.env = Env()
global redis_graph
redis_con = self.env.getConnection()
redis_graph = Graph(GRAPH_ID, redis_con)
self.populate_graph()
self.build_indices()
def new_node(self):
return Node(label=labels[node_ctr % 2],
properties={
'unique':
node_ctr,
'group':
random.choice(groups),
'doubleval':
round(random.uniform(-1, 1), 2),
'intval':
random.randint(1, 10000),
'stringval':
''.join(
random.choice(string.lowercase) for x in range(6))
})
def populate_graph(self):
global node_ctr
for i in range(1000):
node = self.new_node()
redis_graph.add_node(node)
node_ctr += 1
redis_graph.commit()
def build_indices(self):
for field in fields:
redis_graph.redis_con.execute_command(
"GRAPH.QUERY", GRAPH_ID,
"CREATE INDEX ON :label_a(%s)" % (field))
redis_graph.redis_con.execute_command(
"GRAPH.QUERY", GRAPH_ID,
"CREATE INDEX ON :label_b(%s)" % (field))
# Validate that all properties are indexed
def validate_indexed(self):
for field in fields:
resp = redis_graph.execution_plan(
"""MATCH (a:label_a) WHERE a.%s > 0 RETURN a""" % (field))
self.env.assertIn('Index Scan', resp)
# So long as 'unique' is not modified, label_a.unique will always be even and label_b.unique will always be odd
def validate_unique(self):
result = redis_graph.query("MATCH (a:label_a) RETURN a.unique")
# Remove the header
result.result_set.pop(0)
for val in result.result_set:
self.env.assertEquals(int(float(val[0])) % 2, 0)
result = redis_graph.query("MATCH (b:label_b) RETURN b.unique")
# Remove the header
result.result_set.pop(0)
for val in result.result_set:
self.env.assertEquals(int(float(val[0])) % 2, 1)
# The index scan ought to return identical results to a label scan over the same range of values.
def validate_doubleval(self):
for label in labels:
resp = redis_graph.execution_plan(
"""MATCH (a:%s) WHERE a.doubleval < 100 RETURN a.doubleval ORDER BY a.doubleval"""
% (label))
self.env.assertIn('Index Scan', resp)
indexed_result = redis_graph.query(
"""MATCH (a:%s) WHERE a.doubleval < 100 RETURN a.doubleval ORDER BY a.doubleval"""
% (label))
scan_result = redis_graph.query(
"""MATCH (a:%s) RETURN a.doubleval ORDER BY a.doubleval""" %
(label))
self.env.assertEqual(len(indexed_result.result_set),
len(scan_result.result_set))
# Collect any elements between the two result sets that fail a string comparison
# so that we may compare them as doubles (specifically, -0 and 0 should be considered equal)
differences = [[i[0], j[0]] for i, j in zip(
indexed_result.result_set, scan_result.result_set) if i != j]
for pair in differences:
self.env.assertEqual(float(pair[0]), float(pair[1]))
# The intval property can be assessed similar to doubleval, but the result sets should be identical
def validate_intval(self):
for label in labels:
resp = redis_graph.execution_plan(
"""MATCH (a:%s) WHERE a.intval > 0 RETURN a.intval ORDER BY a.intval"""
% (label))
self.env.assertIn('Index Scan', resp)
indexed_result = redis_graph.query(
"""MATCH (a:%s) WHERE a.intval > 0 RETURN a.intval ORDER BY a.intval"""
% (label))
scan_result = redis_graph.query(
"""MATCH (a:%s) RETURN a.intval ORDER BY a.intval""" % (label))
self.env.assertEqual(indexed_result.result_set,
scan_result.result_set)
# Validate a series of premises to ensure that the graph has not been modified unexpectedly
def validate_state(self):
self.validate_unique()
self.validate_indexed()
self.validate_doubleval()
self.validate_intval()
# Modify a property, triggering updates to all nodes in two indices
def test01_full_property_update(self):
result = redis_graph.query(
"MATCH (a) SET a.doubleval = a.doubleval + %f" %
(round(random.uniform(-1, 1), 2)))
self.env.assertEquals(result.properties_set, 1000)
# Verify that index scans still function and return correctly
self.validate_state()
# Modify a property, triggering updates to a subset of nodes in two indices
def test02_partial_property_update(self):
redis_graph.query(
"MATCH (a) WHERE a.doubleval > 0 SET a.doubleval = a.doubleval + %f"
% (round(random.uniform(-1, 1), 2)))
# Verify that index scans still function and return correctly
self.validate_state()
# Add 100 randomized nodes and validate indices
def test03_node_creation(self):
# Reset nodes in the Graph object so that we won't double-commit the originals
redis_graph.nodes = {}
global node_ctr
for i in range(100):
node = self.new_node()
redis_graph.add_node(node)
node_ctr += 1
redis_graph.commit()
self.validate_state()
# Delete every other node in first 100 and validate indices
def test04_node_deletion(self):
# Reset nodes in the Graph object so that we won't double-commit the originals
redis_graph.nodes = {}
global node_ctr
# Delete nodes one at a time
for i in range(0, 100, 2):
result = redis_graph.query("MATCH (a) WHERE ID(a) = %d DELETE a" %
(i))
self.env.assertEquals(result.nodes_deleted, 1)
node_ctr -= 1
self.validate_state()
# Delete all nodes matching a filter
result = redis_graph.query(
"MATCH (a:label_a) WHERE a.group = 'Group A' DELETE a")
self.env.assertGreater(result.nodes_deleted, 0)
self.validate_state()
class testGraphPersistency(FlowTestsBase):
def __init__(self):
self.env = Env()
global redis_graph
global dense_graph
global redis_con
redis_con = self.env.getConnection()
redis_graph = Graph(GRAPH_NAME, redis_con)
dense_graph = Graph(DENSE_GRAPH_NAME, redis_con)
self.populate_graph()
self.populate_dense_graph()
def populate_graph(self):
global redis_graph
if not redis_con.exists(GRAPH_NAME):
personNodes = {}
countryNodes = {}
# Create entities
for p in people:
person = Node(label="person", properties={"name": p})
redis_graph.add_node(person)
personNodes[p] = person
for p in countries:
country = Node(label="country", properties={"name": p})
redis_graph.add_node(country)
countryNodes[p] = country
for v in visits:
person = v[0]
country = v[1]
edge = Edge(personNodes[person],
'visit',
countryNodes[country],
properties={'purpose': 'pleasure'})
redis_graph.add_edge(edge)
redis_graph.commit()
# Delete nodes, to introduce deleted item within our datablock
query = """MATCH (n:person) WHERE n.name = 'Roi' or n.name = 'Ailon' DELETE n"""
redis_graph.query(query)
query = """MATCH (n:country) WHERE n.name = 'USA' DELETE n"""
redis_graph.query(query)
# Create index.
actual_result = redis_con.execute_command(
"GRAPH.QUERY", GRAPH_NAME, "CREATE INDEX ON :person(name)")
actual_result = redis_con.execute_command(
"GRAPH.QUERY", GRAPH_NAME, "CREATE INDEX ON :country(name)")
def populate_dense_graph(self):
global dense_graph
if not redis_con.exists(DENSE_GRAPH_NAME):
nodes = []
for i in range(10):
node = Node(label="n", properties={"val": i})
dense_graph.add_node(node)
nodes.append(node)
for n_idx, n in enumerate(nodes):
for m_idx, m in enumerate(nodes[:n_idx]):
dense_graph.add_edge(Edge(n, "connected", m))
dense_graph.commit()
# Connect a single node to all other nodes.
def test01_save_load_rdb(self):
for i in range(2):
if i == 1:
# Save RDB & Load from RDB
self.env.dumpAndReload()
# Verify
# Expecting 5 person entities.
query = """MATCH (p:person) RETURN COUNT(p)"""
actual_result = redis_graph.query(query)
nodeCount = actual_result.result_set[0][0]
self.env.assertEquals(nodeCount, 5)
query = """MATCH (p:person) WHERE p.name='Alon' RETURN COUNT(p)"""
actual_result = redis_graph.query(query)
nodeCount = actual_result.result_set[0][0]
self.env.assertEquals(nodeCount, 1)
# Expecting 3 country entities.
query = """MATCH (c:country) RETURN COUNT(c)"""
actual_result = redis_graph.query(query)
nodeCount = actual_result.result_set[0][0]
self.env.assertEquals(nodeCount, 3)
query = """MATCH (c:country) WHERE c.name = 'Israel' RETURN COUNT(c)"""
actual_result = redis_graph.query(query)
nodeCount = actual_result.result_set[0][0]
self.env.assertEquals(nodeCount, 1)
# Expecting 2 visit edges.
query = """MATCH (n:person)-[e:visit]->(c:country) WHERE e.purpose='pleasure' RETURN COUNT(e)"""
actual_result = redis_graph.query(query)
edgeCount = actual_result.result_set[0][0]
self.env.assertEquals(edgeCount, 2)
# Verify indices exists.
plan = redis_graph.execution_plan(
"MATCH (n:person) WHERE n.name = 'Roi' RETURN n")
self.env.assertIn("Index Scan", plan)
plan = redis_graph.execution_plan(
"MATCH (n:country) WHERE n.name = 'Israel' RETURN n")
self.env.assertIn("Index Scan", plan)
# Verify that edges are not modified after entity deletion
def test02_deleted_entity_migration(self):
query = """MATCH (p) WHERE ID(p) = 0 OR ID(p) = 3 OR ID(p) = 7 OR ID(p) = 9 DELETE p"""
actual_result = dense_graph.query(query)
self.env.assertEquals(actual_result.nodes_deleted, 4)
query = """MATCH (p)-[]->(q) RETURN p.val, q.val ORDER BY p.val, q.val"""
first_result = dense_graph.query(query)
# Save RDB & Load from RDB
redis_con.execute_command("DEBUG", "RELOAD")
second_result = dense_graph.query(query)
self.env.assertEquals(first_result.result_set,
second_result.result_set)
# Strings, numerics, booleans, arrays and NULL properties should be properly serialized and reloaded
def test03_restore_properties(self):
graphname = "simple_props"
graph = Graph(graphname, redis_con)
query = """CREATE (:p {strval: 'str', numval: 5.5, nullval: NULL, boolval: true, array: [1,2,3]})"""
actual_result = graph.query(query)
# Verify that node was created correctly
self.env.assertEquals(actual_result.nodes_created, 1)
self.env.assertEquals(actual_result.properties_set, 5)
# Save RDB & Load from RDB
redis_con.execute_command("DEBUG", "RELOAD")
query = """MATCH (p) RETURN p.boolval, p.nullval, p.numval, p.strval, p.array"""
actual_result = graph.query(query)
# Verify that the properties are loaded correctly.
# Note that the order of results is not guaranteed (currently managed by the Schema),
# so this may need to be updated in the future.
expected_result = [[True, None, 5.5, 'str', [1, 2, 3]]]
self.env.assertEquals(actual_result.result_set, expected_result)
# Verify multiple edges of the same relation between nodes A and B
# are saved and restored correctly.
def test04_repeated_edges(self):
graphname = "repeated_edges"
g = Graph(graphname, redis_con)
src = Node(label='p', properties={'name': 'src'})
dest = Node(label='p', properties={'name': 'dest'})
edge1 = Edge(src, 'e', dest, properties={'val': 1})
edge2 = Edge(src, 'e', dest, properties={'val': 2})
g.add_node(src)
g.add_node(dest)
g.add_edge(edge1)
g.add_edge(edge2)
g.commit()
# Verify the new edge
q = """MATCH (a)-[e]->(b) RETURN e.val, a.name, b.name ORDER BY e.val"""
actual_result = g.query(q)
expected_result = [[
edge1.properties['val'], src.properties['name'],
dest.properties['name']
],
[
edge2.properties['val'], src.properties['name'],
dest.properties['name']
]]
self.env.assertEquals(actual_result.result_set, expected_result)
# Save RDB & Load from RDB
redis_con.execute_command("DEBUG", "RELOAD")
# Verify that the latest edge was properly saved and loaded
actual_result = g.query(q)
self.env.assertEquals(actual_result.result_set, expected_result)
class testShortestPath(FlowTestsBase):
def __init__(self):
self.env = Env(decodeResponses=True)
global redis_graph
redis_con = self.env.getConnection()
redis_graph = Graph(GRAPH_ID, redis_con)
self.populate_graph()
def populate_graph(self):
# Construct a graph with the form:
# (v1)-[:E]->(v2)-[:E]->(v3)-[:E]->(v4), (v1)-[:E]->(v5)-[:E2]->(v4)
global nodes
for v in range(1, 6):
node = Node(label="L", properties={"v": v})
nodes.append(node)
redis_graph.add_node(node)
edge = Edge(nodes[0], "E", nodes[1])
redis_graph.add_edge(edge)
edge = Edge(nodes[1], "E", nodes[2])
redis_graph.add_edge(edge)
edge = Edge(nodes[2], "E", nodes[3])
redis_graph.add_edge(edge)
edge = Edge(nodes[0], "E", nodes[4])
redis_graph.add_edge(edge)
edge = Edge(nodes[4], "E2", nodes[3])
redis_graph.add_edge(edge)
redis_graph.commit()
def test01_invalid_shortest_paths(self):
query = """MATCH (a {v: 1}), (b {v: 4}), p = shortestPath((a)-[*]->(b)) RETURN p"""
try:
redis_graph.query(query)
self.env.assertTrue(False)
except redis.exceptions.ResponseError as e:
self.env.assertIn(
"RedisGraph currently only supports shortestPath in WITH or RETURN clauses",
str(e))
query = """MATCH (a {v: 1}), (b {v: 4}) RETURN shortestPath((a)-[*2..]->(b))"""
try:
redis_graph.query(query)
self.env.assertTrue(False)
except redis.exceptions.ResponseError as e:
self.env.assertIn(
"shortestPath does not support a minimal length different from 0 or 1",
str(e))
query = """MATCH (a {v: 1}), (b {v: 4}) RETURN shortestPath((a)-[]->()-[*]->(b))"""
try:
redis_graph.query(query)
self.env.assertTrue(False)
except redis.exceptions.ResponseError as e:
self.env.assertIn(
"shortestPath requires a path containing a single relationship",
str(e))
query = """MATCH (a {v: 1}), (b {v: 4}) RETURN shortestPath((a)-[* {weight: 4}]->(b))"""
try:
redis_graph.query(query)
self.env.assertTrue(False)
except redis.exceptions.ResponseError as e:
self.env.assertIn("filters on relationships in shortestPath",
str(e))
# Try iterating over an invalid relationship type
query = """MATCH (a {v: 1}), (b {v: 4}) RETURN shortestPath((a)-[:FAKE*]->(b))"""
actual_result = redis_graph.query(query)
# No results should be found
expected_result = [[None]]
self.env.assertEqual(actual_result.result_set, expected_result)
def test02_simple_shortest_path(self):
query = """MATCH (a {v: 1}), (b {v: 4}) WITH shortestPath((a)-[*]->(b)) AS p UNWIND nodes(p) AS n RETURN n.v"""
actual_result = redis_graph.query(query)
# The shorter 2-hop traversal should be found
expected_result = [[1], [5], [4]]
self.env.assertEqual(actual_result.result_set, expected_result)
# Verify that a right-to-left traversal produces the same results
query = """MATCH (a {v: 1}), (b {v: 4}) WITH shortestPath((b)<-[*]-(a)) AS p UNWIND nodes(p) AS n RETURN n.v"""
self.env.assertEqual(actual_result.result_set, expected_result)
def test03_shortest_path_multiple_results(self):
# Traverse from all source nodes to the destination node
query = """MATCH (a), (b {v: 4}) WITH a, shortestPath((a)-[*]->(b)) AS p RETURN a, nodes(p) ORDER BY a"""
actual_result = redis_graph.query(query)
expected_result = [[nodes[0], [nodes[0], nodes[4], nodes[3]]],
[nodes[1], [nodes[1], nodes[2], nodes[3]]],
[nodes[2], [nodes[2], nodes[3]]], [nodes[3], None],
[nodes[4], [nodes[4], nodes[3]]]]
self.env.assertEqual(actual_result.result_set, expected_result)
def test04_max_hops(self):
# Traverse from all source nodes to the destination node if there is a single-hop path
query = """MATCH (a), (b {v: 4}) WITH a, shortestPath((a)-[*..1]->(b)) AS p RETURN a, nodes(p) ORDER BY a"""
actual_result = redis_graph.query(query)
expected_result = [[nodes[0], None], [nodes[1], None],
[nodes[2], [nodes[2], nodes[3]]], [nodes[3], None],
[nodes[4], [nodes[4], nodes[3]]]]
self.env.assertEqual(actual_result.result_set, expected_result)
def test05_min_hops(self):
# Traverse from all source nodes to the destination node with a minimum hop value of 0.
# This will produce the same results as the above query with the exception of
# the src == dest case, in which case that node is returned.
query = """MATCH (a), (b {v: 4}) WITH a, shortestPath((a)-[*0..]->(b)) AS p RETURN a, nodes(p) ORDER BY a"""
actual_result = redis_graph.query(query)
expected_result = [[nodes[0], [nodes[0], nodes[4], nodes[3]]],
[nodes[1], [nodes[1], nodes[2], nodes[3]]],
[nodes[2], [nodes[2], nodes[3]]],
[nodes[3], [nodes[3]]],
[nodes[4], [nodes[4], nodes[3]]]]
self.env.assertEqual(actual_result.result_set, expected_result)
def test06_restricted_reltypes(self):
# Traverse both relationship types
query = """MATCH (a {v: 1}), (b {v: 4}) WITH shortestPath((a)-[:E|:E2*]->(b)) AS p UNWIND nodes(p) AS n RETURN n.v"""
actual_result = redis_graph.query(query)
# The shorter 2-hop traversal should be found
expected_result = [[1], [5], [4]]
self.env.assertEqual(actual_result.result_set, expected_result)
# Only traverse edges of type E
query = """MATCH (a {v: 1}), (b {v: 4}) WITH shortestPath((a)-[:E*]->(b)) AS p UNWIND nodes(p) AS n RETURN n.v"""
actual_result = redis_graph.query(query)
# The longer traversal will be found
expected_result = [[1], [2], [3], [4]]
self.env.assertEqual(actual_result.result_set, expected_result)
class testComprehensionFunctions(FlowTestsBase):
def __init__(self):
self.env = Env(decodeResponses=True)
global redis_graph
graph_id = "list_comprehension"
redis_con = self.env.getConnection()
redis_graph = Graph(graph_id, redis_con)
self.populate_graph()
def populate_graph(self):
global redis_graph
# Construct a graph with the form:
# (v1)-[e1]->(v2)-[e2]->(v3)
node_props = ['v1', 'v2', 'v3']
nodes = []
for idx, v in enumerate(node_props):
node = Node(label="L", properties={"val": v})
nodes.append(node)
redis_graph.add_node(node)
edge = Edge(nodes[0],
"E",
nodes[1],
properties={"edge_val": ['v1', 'v2']})
redis_graph.add_edge(edge)
edge = Edge(nodes[1],
"E",
nodes[2],
properties={"edge_val": ['v2', 'v3']})
redis_graph.add_edge(edge)
redis_graph.commit()
# Test list comprehension queries with scalar inputs and a single result row
def test01_list_comprehension_single_return(self):
expected_result = [[[2, 6]]]
# Test logically identical queries that generate the same input array with different methods.
query = """WITH [1,2,3] AS arr RETURN [elem IN arr WHERE elem % 2 = 1 | elem * 2]"""
actual_result = redis_graph.query(query)
self.env.assertEquals(actual_result.result_set, expected_result)
query = """RETURN [elem IN [1,2,3] WHERE elem % 2 = 1 | elem * 2]"""
actual_result = redis_graph.query(query)
self.env.assertEquals(actual_result.result_set, expected_result)
query = """RETURN [elem IN range(1,3) WHERE elem % 2 = 1 | elem * 2]"""
actual_result = redis_graph.query(query)
self.env.assertEquals(actual_result.result_set, expected_result)
def test02_list_comprehension_no_filter_no_map(self):
expected_result = [[[1, 2, 3]]]
query = """WITH [1,2,3] AS arr RETURN [elem IN arr]"""
actual_result = redis_graph.query(query)
self.env.assertEquals(actual_result.result_set, expected_result)
query = """RETURN [elem IN [1,2,3]]"""
actual_result = redis_graph.query(query)
self.env.assertEquals(actual_result.result_set, expected_result)
def test03_list_comprehension_map_no_filter(self):
query = """WITH [1,2,3] AS arr RETURN [elem IN arr | elem * 2]"""
actual_result = redis_graph.query(query)
expected_result = [[[2, 4, 6]]]
self.env.assertEquals(actual_result.result_set, expected_result)
def test04_list_comprehension_filter_no_map(self):
query = """WITH [1,2,3] AS arr RETURN [elem IN arr WHERE elem % 2 = 1]"""
actual_result = redis_graph.query(query)
expected_result = [[[1, 3]]]
self.env.assertEquals(actual_result.result_set, expected_result)
def test05_list_comprehension_on_allocated_values(self):
query = """WITH [toUpper('str1'), toUpper('str2'), toUpper('str3')] AS arr RETURN [elem IN arr]"""
actual_result = redis_graph.query(query)
expected_result = [[['STR1', 'STR2', 'STR3']]]
self.env.assertEquals(actual_result.result_set, expected_result)
query = """WITH [toUpper('str1'), toUpper('str2'), toUpper('str3')] AS arr RETURN [elem IN arr WHERE toLower(elem) = 'str2']"""
actual_result = redis_graph.query(query)
expected_result = [[['STR2']]]
self.env.assertEquals(actual_result.result_set, expected_result)
query = """WITH [toUpper('str1'), toUpper('str2'), toUpper('str3')] AS arr RETURN [elem IN arr WHERE toLower(elem) = 'str2' | elem + 'low']"""
actual_result = redis_graph.query(query)
expected_result = [[['STR2low']]]
self.env.assertEquals(actual_result.result_set, expected_result)
def test06_list_comprehension_on_graph_entities(self):
query = """MATCH p=()-[*]->() WITH nodes(p) AS nodes RETURN [elem IN nodes]"""
actual_result = redis_graph.query(query)
self.env.assertEquals(len(actual_result.result_set), 3)
query = """MATCH p=()-[*]->() WITH nodes(p) AS nodes WITH [elem IN nodes | elem.val] AS vals RETURN vals ORDER BY vals"""
actual_result = redis_graph.query(query)
expected_result = [[['v1', 'v2']], [['v1', 'v2', 'v3']], [['v2',
'v3']]]
self.env.assertEquals(actual_result.result_set, expected_result)
query = """MATCH p=()-[*]->() WITH nodes(p) AS nodes RETURN [elem IN nodes WHERE elem.val = 'v2' | elem.val]"""
actual_result = redis_graph.query(query)
expected_result = [[['v2']], [['v2']], [['v2']]]
self.env.assertEquals(actual_result.result_set, expected_result)
query = """MATCH p=()-[*]->() WITH nodes(p) AS nodes RETURN [elem IN nodes WHERE elem.val = 'v2' | elem.val + 'a']"""
actual_result = redis_graph.query(query)
expected_result = [[['v2a']], [['v2a']], [['v2a']]]
self.env.assertEquals(actual_result.result_set, expected_result)
def test07_list_comprehension_in_where_predicate(self):
# List comprehension with predicate in WHERE predicate on MATCH clause - evaluates to true
query = """MATCH (n) WHERE n.val IN [x in ['v1', 'v3']] RETURN n.val ORDER BY n.val"""
actual_result = redis_graph.query(query)
expected_result = [['v1'], ['v3']]
self.env.assertEquals(actual_result.result_set, expected_result)
# List comprehension with predicate in WHERE predicate - evaluates to true
query = """WITH 1 AS a WHERE a IN [x in [1, 2]] RETURN a"""
actual_result = redis_graph.query(query)
expected_result = [[1]]
self.env.assertEquals(actual_result.result_set, expected_result)
# List comprehension with predicate in WHERE predicate - evaluates to false
query = """WITH 1 AS a WHERE a IN [x in [2,3]] RETURN a"""
actual_result = redis_graph.query(query)
expected_result = []
self.env.assertEquals(actual_result.result_set, expected_result)
# List comprehension with predicate and eval in WHERE predicate - evaluates to false
query = """WITH 1 AS a WHERE [i in [2,3] WHERE i > 5] RETURN a"""
actual_result = redis_graph.query(query)
expected_result = []
self.env.assertEquals(actual_result.result_set, expected_result)
# List comprehension without predicate or eval in WHERE predicate - evaluates to true
query = """WITH 1 AS a WHERE [i in [2,3]] RETURN a"""
actual_result = redis_graph.query(query)
expected_result = [[1]]
self.env.assertEquals(actual_result.result_set, expected_result)
def test08_list_comprehension_on_property_array(self):
query = """MATCH (n)-[e]->() WITH n, e ORDER BY n.val RETURN [elem IN e.edge_val WHERE elem = n.val]"""
actual_result = redis_graph.query(query)
expected_result = [[['v1']], [['v2']]]
self.env.assertEquals(actual_result.result_set, expected_result)
def test09_nested_list_comprehension(self):
query = """RETURN [elem IN [nested_val IN range(0, 6) WHERE nested_val % 2 = 0] WHERE elem * 2 >= 4 | elem * 2]"""
actual_result = redis_graph.query(query)
expected_result = [[[4, 8, 12]]]
self.env.assertEquals(actual_result.result_set, expected_result)
def test10_any_all_comprehension_acceptance(self):
# Reject ANY and ALL comprehensions that don't include a WHERE predicate.
try:
redis_graph.query("RETURN any(x IN [1,2])")
assert (False)
except redis.exceptions.ResponseError as e:
# Expecting a type error.
self.env.assertIn("requires a WHERE predicate", str(e))
try:
redis_graph.query("RETURN all(x IN [1,2])")
assert (False)
except redis.exceptions.ResponseError as e:
# Expecting a type error.
self.env.assertIn("requires a WHERE predicate", str(e))
def test11_any_all_truth_table(self):
# Test inputs and predicates where ANY and ALL are both false.
query = """RETURN any(x IN [0,1] WHERE x = 2)"""
actual_result = redis_graph.query(query)
self.env.assertEquals(actual_result.result_set, [[False]])
query = """RETURN all(x IN [0,1] WHERE x = 2)"""
actual_result = redis_graph.query(query)
self.env.assertEquals(actual_result.result_set, [[False]])
# Test inputs and predicates where ANY is true and ALL is false.
query = """RETURN any(x IN [0,1] WHERE x = 1)"""
actual_result = redis_graph.query(query)
self.env.assertEquals(actual_result.result_set, [[True]])
query = """RETURN all(x IN [0,1] WHERE x = 1)"""
actual_result = redis_graph.query(query)
self.env.assertEquals(actual_result.result_set, [[False]])
# Test inputs and predicates where ANY and ALL are both true.
query = """RETURN any(x IN [0,1] WHERE x = 0 OR x = 1)"""
actual_result = redis_graph.query(query)
self.env.assertEquals(actual_result.result_set, [[True]])
query = """RETURN all(x IN [0,1] WHERE x = 0 OR x = 1)"""
actual_result = redis_graph.query(query)
self.env.assertEquals(actual_result.result_set, [[True]])
# Test inputs and predicates where ANY and ALL are both NULL.
query = """RETURN any(x IN NULL WHERE x = 1)"""
actual_result = redis_graph.query(query)
self.env.assertEquals(actual_result.result_set, [[None]])
query = """RETURN all(x IN NULL WHERE x = 1)"""
actual_result = redis_graph.query(query)
self.env.assertEquals(actual_result.result_set, [[None]])
def test12_any_all_on_property_arrays(self):
# The first array evaluates to ['v1', 'v2'] and the second evaluates to ['v2', 'v3']
query = """MATCH ()-[e]->() WITH e ORDER BY e.edge_val RETURN ANY(elem IN e.edge_val WHERE elem = 'v2' OR elem = 'v3')"""
actual_result = redis_graph.query(query)
self.env.assertEquals(actual_result.result_set, [[True], [True]])
query = """MATCH ()-[e]->() WITH e ORDER BY e.edge_val RETURN ALL(elem IN e.edge_val WHERE elem = 'v2' OR elem = 'v3')"""
actual_result = redis_graph.query(query)
self.env.assertEquals(actual_result.result_set, [[False], [True]])
def test13_any_all_path_filtering(self):
# Use ANY and ALL to introspect on named variable-length paths.
# All paths should be returned using both ANY and ALL filters.
expected_result = [['v1'], ['v1'], ['v2']]
query = """MATCH p=()-[*]->() WHERE any(node IN nodes(p) WHERE node.val STARTS WITH 'v') WITH head(nodes(p)) AS n RETURN n.val ORDER BY n.val"""
actual_result = redis_graph.query(query)
self.env.assertEquals(actual_result.result_set, expected_result)
query = """MATCH p=()-[*]->() WHERE all(node IN nodes(p) WHERE node.val STARTS WITH 'v') WITH head(nodes(p)) AS n RETURN n.val ORDER BY n.val"""
actual_result = redis_graph.query(query)
self.env.assertEquals(actual_result.result_set, expected_result)
# Run a query in which 2 paths pass an ANY filter and 1 path passes an ALL filter.
query = """MATCH p=()-[*0..1]->() WHERE any(node IN nodes(p) WHERE node.val = 'v1') RETURN length(p) ORDER BY length(p)"""
actual_result = redis_graph.query(query)
expected_result = [[0], [1]]
self.env.assertEquals(actual_result.result_set, expected_result)
query = """MATCH p=()-[*0..1]->() WHERE all(node IN nodes(p) WHERE node.val = 'v1') RETURN length(p) ORDER BY length(p)"""
actual_result = redis_graph.query(query)
expected_result = [[0]]
self.env.assertEquals(actual_result.result_set, expected_result)
class TestAggregate():
def __init__(self):
self.env = Env()
add_values(self.env)
def testGroupBy(self):
cmd = ['ft.aggregate', 'games', '*',
'GROUPBY', '1', '@brand',
'REDUCE', 'count', '0', 'AS', 'count',
'SORTBY', 2, '@count', 'desc',
'LIMIT', '0', '5'
]
res = self.env.cmd(*cmd)
self.env.assertIsNotNone(res)
self.env.assertEqual([292L, ['brand', '', 'count', '1518'], ['brand', 'mad catz', 'count', '43'],
['brand', 'generic', 'count', '40'], ['brand', 'steelseries', 'count', '37'],
['brand', 'logitech', 'count', '35']], res)
def testMinMax(self):
cmd = ['ft.aggregate', 'games', 'sony',
'GROUPBY', '1', '@brand',
'REDUCE', 'count', '0',
'REDUCE', 'min', '1', '@price', 'as', 'minPrice',
'SORTBY', '2', '@minPrice', 'DESC']
res = self.env.cmd(*cmd)
self.env.assertIsNotNone(res)
row = to_dict(res[1])
self.env.assertEqual(88, int(float(row['minPrice'])))
cmd = ['ft.aggregate', 'games', 'sony',
'GROUPBY', '1', '@brand',
'REDUCE', 'count', '0',
'REDUCE', 'max', '1', '@price', 'as', 'maxPrice',
'SORTBY', '2', '@maxPrice', 'DESC']
res = self.env.cmd(*cmd)
row = to_dict(res[1])
self.env.assertEqual(695, int(float(row['maxPrice'])))
def testAvg(self):
cmd = ['ft.aggregate', 'games', 'sony',
'GROUPBY', '1', '@brand',
'REDUCE', 'avg', '1', '@price', 'AS', 'avg_price',
'REDUCE', 'count', '0',
'SORTBY', '2', '@avg_price', 'DESC']
res = self.env.cmd(*cmd)
self.env.assertIsNotNone(res)
self.env.assertEqual(26, res[0])
# Ensure the formatting actually exists
first_row = to_dict(res[1])
self.env.assertEqual(109, int(float(first_row['avg_price'])))
for row in res[1:]:
row = to_dict(row)
self.env.assertIn('avg_price', row)
# Test aliasing
cmd = ['FT.AGGREGATE', 'games', 'sony', 'GROUPBY', '1', '@brand',
'REDUCE', 'avg', '1', '@price', 'AS', 'avgPrice']
res = self.env.cmd(*cmd)
first_row = to_dict(res[1])
self.env.assertEqual(17, int(float(first_row['avgPrice'])))
def testCountDistinct(self):
cmd = ['FT.AGGREGATE', 'games', '*',
'GROUPBY', '1', '@brand',
'REDUCE', 'COUNT_DISTINCT', '1', '@title', 'AS', 'count_distinct(title)',
'REDUCE', 'COUNT', '0'
]
res = self.env.cmd(*cmd)[1:]
# print res
row = to_dict(res[0])
self.env.assertEqual(1484, int(row['count_distinct(title)']))
cmd = ['FT.AGGREGATE', 'games', '*',
'GROUPBY', '1', '@brand',
'REDUCE', 'COUNT_DISTINCTISH', '1', '@title', 'AS', 'count_distinctish(title)',
'REDUCE', 'COUNT', '0'
]
res = self.env.cmd(*cmd)[1:]
# print res
row = to_dict(res[0])
self.env.assertEqual(1461, int(row['count_distinctish(title)']))
def testQuantile(self):
cmd = ['FT.AGGREGATE', 'games', '*',
'GROUPBY', '1', '@brand',
'REDUCE', 'QUANTILE', '2', '@price', '0.50', 'AS', 'q50',
'REDUCE', 'QUANTILE', '2', '@price', '0.90', 'AS', 'q90',
'REDUCE', 'QUANTILE', '2', '@price', '0.95', 'AS', 'q95',
'REDUCE', 'AVG', '1', '@price',
'REDUCE', 'COUNT', '0', 'AS', 'rowcount',
'SORTBY', '2', '@rowcount', 'DESC', 'MAX', '1']
res = self.env.cmd(*cmd)
row = to_dict(res[1])
# TODO: Better samples
self.env.assertAlmostEqual(14.99, float(row['q50']), delta=3)
self.env.assertAlmostEqual(70, float(row['q90']), delta=50)
# This tests the 95th percentile, which is error prone because
# so few samples actually exist. I'm disabling it for now so that
# there is no breakage in CI
# self.env.assertAlmostEqual(110, (float(row['q95'])), delta=50)
def testStdDev(self):
cmd = ['FT.AGGREGATE', 'games', '*',
'GROUPBY', '1', '@brand',
'REDUCE', 'STDDEV', '1', '@price', 'AS', 'stddev(price)',
'REDUCE', 'AVG', '1', '@price', 'AS', 'avgPrice',
'REDUCE', 'QUANTILE', '2', '@price', '0.50', 'AS', 'q50Price',
'REDUCE', 'COUNT', '0', 'AS', 'rowcount',
'SORTBY', '2', '@rowcount', 'DESC',
'LIMIT', '0', '10']
res = self.env.cmd(*cmd)
row = to_dict(res[1])
self.env.assertTrue(10 <= int(
float(row['q50Price'])) <= 20)
self.env.assertAlmostEqual(53, int(float(row['stddev(price)'])), delta=50)
self.env.assertEqual(29, int(float(row['avgPrice'])))
def testParseTime(self):
cmd = ['FT.AGGREGATE', 'games', '*',
'GROUPBY', '1', '@brand',
'REDUCE', 'COUNT', '0', 'AS', 'count',
'APPLY', 'timefmt(1517417144)', 'AS', 'dt',
'APPLY', 'parse_time("%FT%TZ", @dt)', 'as', 'parsed_dt',
'LIMIT', '0', '1']
res = self.env.cmd(*cmd)
self.env.assertEqual(['brand', '', 'count', '1518', 'dt',
'2018-01-31T16:45:44Z', 'parsed_dt', '1517417144'], res[1])
def testRandomSample(self):
cmd = ['FT.AGGREGATE', 'games', '*', 'GROUPBY', '1', '@brand',
'REDUCE', 'COUNT', '0', 'AS', 'num',
'REDUCE', 'RANDOM_SAMPLE', '2', '@price', '10',
'SORTBY', '2', '@num', 'DESC', 'MAX', '10']
for row in self.env.cmd(*cmd)[1:]:
self.env.assertIsInstance(row[5], list)
self.env.assertGreater(len(row[5]), 0)
self.env.assertGreaterEqual(row[3], len(row[5]))
self.env.assertLessEqual(len(row[5]), 10)
def testTimeFunctions(self):
cmd = ['FT.AGGREGATE', 'games', '*',
'APPLY', '1517417144', 'AS', 'dt',
'APPLY', 'timefmt(@dt)', 'AS', 'timefmt',
'APPLY', 'day(@dt)', 'AS', 'day',
'APPLY', 'hour(@dt)', 'AS', 'hour',
'APPLY', 'minute(@dt)', 'AS', 'minute',
'APPLY', 'month(@dt)', 'AS', 'month',
'APPLY', 'dayofweek(@dt)', 'AS', 'dayofweek',
'APPLY', 'dayofmonth(@dt)', 'AS', 'dayofmonth',
'APPLY', 'dayofyear(@dt)', 'AS', 'dayofyear',
'APPLY', 'year(@dt)', 'AS', 'year',
'LIMIT', '0', '1']
res = self.env.cmd(*cmd)
self.env.assertListEqual([1L, ['dt', '1517417144', 'timefmt', '2018-01-31T16:45:44Z', 'day', '1517356800', 'hour', '1517414400',
'minute', '1517417100', 'month', '1514764800', 'dayofweek', '3', 'dayofmonth', '31', 'dayofyear', '30', 'year', '2018']], res)
def testStringFormat(self):
cmd = ['FT.AGGREGATE', 'games', '@brand:sony',
'GROUPBY', '2', '@title', '@brand',
'REDUCE', 'COUNT', '0',
'REDUCE', 'MAX', '1', '@price', 'AS', 'price',
'APPLY', 'format("%s|%s|%s|%s", @title, @brand, "Mark", @price)', 'as', 'titleBrand',
'LIMIT', '0', '10']
res = self.env.cmd(*cmd)
for row in res[1:]:
row = to_dict(row)
expected = '%s|%s|%s|%g' % (
row['title'], row['brand'], 'Mark', float(row['price']))
self.env.assertEqual(expected, row['titleBrand'])
def testSum(self):
cmd = ['ft.aggregate', 'games', '*',
'GROUPBY', '1', '@brand',
'REDUCE', 'count', '0', 'AS', 'count',
'REDUCE', 'sum', 1, '@price', 'AS', 'sum(price)',
'SORTBY', 2, '@sum(price)', 'desc',
'LIMIT', '0', '5'
]
res = self.env.cmd(*cmd)
self.env.assertEqual([292L, ['brand', '', 'count', '1518', 'sum(price)', '44780.69'],
['brand', 'mad catz', 'count',
'43', 'sum(price)', '3973.48'],
['brand', 'razer', 'count', '26',
'sum(price)', '2558.58'],
['brand', 'logitech', 'count',
'35', 'sum(price)', '2329.21'],
['brand', 'steelseries', 'count', '37', 'sum(price)', '1851.12']], res)
def testFilter(self):
cmd = ['ft.aggregate', 'games', '*',
'GROUPBY', '1', '@brand',
'REDUCE', 'count', '0', 'AS', 'count',
'FILTER', '@count > 5'
]
res = self.env.cmd(*cmd)
for row in res[1:]:
row = to_dict(row)
self.env.assertGreater(int(row['count']), 5)
cmd = ['ft.aggregate', 'games', '*',
'GROUPBY', '1', '@brand',
'REDUCE', 'count', '0', 'AS', 'count',
'FILTER', '@count < 5',
'FILTER', '@count > 2 && @brand != ""'
]
res = self.env.cmd(*cmd)
for row in res[1:]:
row = to_dict(row)
self.env.assertLess(int(row['count']), 5)
self.env.assertGreater(int(row['count']), 2)
def testToList(self):
cmd = ['ft.aggregate', 'games', '*',
'GROUPBY', '1', '@brand',
'REDUCE', 'count_distinct', '1', '@price', 'as', 'count',
'REDUCE', 'tolist', 1, '@price', 'as', 'prices',
'SORTBY', 2, '@count', 'desc',
'LIMIT', '0', '5'
]
res = self.env.cmd(*cmd)
for row in res[1:]:
row = to_dict(row)
self.env.assertEqual(int(row['count']), len(row['prices']))
def testSortBy(self):
res = self.env.cmd('ft.aggregate', 'games', '*', 'GROUPBY', '1', '@brand',
'REDUCE', 'sum', 1, '@price', 'as', 'price',
'SORTBY', 2, '@price', 'desc',
'LIMIT', '0', '2')
self.env.assertListEqual([292L, ['brand', '', 'price', '44780.69'], [
'brand', 'mad catz', 'price', '3973.48']], res)
res = self.env.cmd('ft.aggregate', 'games', '*', 'GROUPBY', '1', '@brand',
'REDUCE', 'sum', 1, '@price', 'as', 'price',
'SORTBY', 2, '@price', 'asc',
'LIMIT', '0', '2')
self.env.assertListEqual([292L, ['brand', 'myiico', 'price', '0.23'], [
'brand', 'crystal dynamics', 'price', '0.25']], res)
# Test MAX with limit higher than it
res = self.env.cmd('ft.aggregate', 'games', '*', 'GROUPBY', '1', '@brand',
'REDUCE', 'sum', 1, '@price', 'as', 'price',
'SORTBY', 2, '@price', 'asc', 'MAX', 2)
self.env.assertListEqual([292L, ['brand', 'myiico', 'price', '0.23'], [
'brand', 'crystal dynamics', 'price', '0.25']], res)
# Test Sorting by multiple properties
res = self.env.cmd('ft.aggregate', 'games', '*', 'GROUPBY', '1', '@brand',
'REDUCE', 'sum', 1, '@price', 'as', 'price',
'APPLY', '(@price % 10)', 'AS', 'price',
'SORTBY', 4, '@price', 'asc', '@brand', 'desc', 'MAX', 10,
)
self.env.assertListEqual([292L, ['brand', 'zps', 'price', '0'], ['brand', 'zalman', 'price', '0'], ['brand', 'yoozoo', 'price', '0'], ['brand', 'white label', 'price', '0'], ['brand', 'stinky', 'price', '0'], [
'brand', 'polaroid', 'price', '0'], ['brand', 'plantronics', 'price', '0'], ['brand', 'ozone', 'price', '0'], ['brand', 'oooo', 'price', '0'], ['brand', 'neon', 'price', '0']], res)
def testExpressions(self):
pass
def testNoGroup(self):
res = self.env.cmd('ft.aggregate', 'games', '*', 'LOAD', '2', '@brand', '@price',
'APPLY', 'floor(sqrt(@price)) % 10', 'AS', 'price',
'SORTBY', 4, '@price', 'desc', '@brand', 'desc', 'MAX', 5,
)
exp = [2265L,
['brand', 'xbox', 'price', '9'],
['brand', 'turtle beach', 'price', '9'],
['brand', 'trust', 'price', '9'],
['brand', 'steelseries', 'price', '9'],
['brand', 'speedlink', 'price', '9']]
# exp = [2265L, ['brand', 'Xbox', 'price', '9'], ['brand', 'Turtle Beach', 'price', '9'], [
# 'brand', 'Trust', 'price', '9'], ['brand', 'SteelSeries', 'price', '9'], ['brand', 'Speedlink', 'price', '9']]
self.env.assertListEqual(exp[1], res[1])
def testLoad(self):
res = self.env.cmd('ft.aggregate', 'games', '*',
'LOAD', '3', '@brand', '@price', '@nonexist',
'SORTBY', 2, '@price', 'DESC', 'MAX', 2)
exp = [3L, ['brand', '', 'price', '759.12'], ['brand', 'Sony', 'price', '695.8']]
self.env.assertEqual(exp[1], res[1])
def testSplit(self):
res = self.env.cmd('ft.aggregate', 'games', '*', 'APPLY', 'split("hello world, foo,,,bar,", ",", " ")', 'AS', 'strs',
'APPLY', 'split("hello world, foo,,,bar,", " ", ",")', 'AS', 'strs2',
'APPLY', 'split("hello world, foo,,,bar,", "", "")', 'AS', 'strs3',
'APPLY', 'split("hello world, foo,,,bar,")', 'AS', 'strs4',
'APPLY', 'split("hello world, foo,,,bar,",",")', 'AS', 'strs5',
'APPLY', 'split("")', 'AS', 'empty',
'LIMIT', '0', '1'
)
# print "Got {} results".format(len(res))
# return
# pprint.pprint(res)
self.env.assertListEqual([1L, ['strs', ['hello world', 'foo', 'bar'],
'strs2', ['hello', 'world', 'foo,,,bar'],
'strs3', ['hello world, foo,,,bar,'],
'strs4', ['hello world', 'foo', 'bar'],
'strs5', ['hello world', 'foo', 'bar'],
'empty', []]], res)
def testFirstValue(self):
res = self.env.cmd('ft.aggregate', 'games', '@brand:(sony|matias|beyerdynamic|(mad catz))',
'GROUPBY', 1, '@brand',
'REDUCE', 'FIRST_VALUE', 4, '@title', 'BY', '@price', 'DESC', 'AS', 'top_item',
'REDUCE', 'FIRST_VALUE', 4, '@price', 'BY', '@price', 'DESC', 'AS', 'top_price',
'REDUCE', 'FIRST_VALUE', 4, '@title', 'BY', '@price', 'ASC', 'AS', 'bottom_item',
'REDUCE', 'FIRST_VALUE', 4, '@price', 'BY', '@price', 'ASC', 'AS', 'bottom_price',
'SORTBY', 2, '@top_price', 'DESC', 'MAX', 5
)
expected = [4L, ['brand', 'sony', 'top_item', 'sony psp slim & lite 2000 console', 'top_price', '695.8', 'bottom_item', 'sony dlchd20p high speed hdmi cable for playstation 3', 'bottom_price', '5.88'],
['brand', 'matias', 'top_item', 'matias halfkeyboard usb', 'top_price',
'559.99', 'bottom_item', 'matias halfkeyboard usb', 'bottom_price', '559.99'],
['brand', 'beyerdynamic', 'top_item', 'beyerdynamic mmx300 pc gaming premium digital headset with microphone', 'top_price', '359.74',
'bottom_item', 'beyerdynamic headzone pc gaming digital surround sound system with mmx300 digital headset with microphone', 'bottom_price', '0'],
['brand', 'mad catz', 'top_item', 'mad catz s.t.r.i.k.e.7 gaming keyboard', 'top_price', '295.95', 'bottom_item', 'madcatz mov4545 xbox replacement breakaway cable', 'bottom_price', '3.49']]
self.env.assertListEqual(expected, res)
def testLoadAfterGroupBy(self):
with self.env.assertResponseError():
self.env.cmd('ft.aggregate', 'games', '*',
'GROUPBY', 1, '@brand',
'LOAD', 1, '@brand')
class testParams(FlowTestsBase):
def __init__(self):
self.env = Env()
global redis_graph
redis_con = self.env.getConnection()
redis_graph = Graph(GRAPH_ID, redis_con)
def setUp(self):
self.env.flush()
def test_simple_params(self):
params = [1, 2.3, -1, -2.3, "str", True, False, None, [0, 1, 2]]
query = "RETURN $param"
for param in params:
expected_results = [[param]]
query_info = QueryInfo(query = query, description="Tests simple params", expected_result = expected_results)
self._assert_resultset_equals_expected(redis_graph.query(query, {'param': param}), query_info)
def test_expression_on_param(self):
params = {'param': 1}
query = "RETURN $param + 1"
expected_results = [[2]]
query_info = QueryInfo(query = query, description="Tests expression on param", expected_result = expected_results)
self._assert_resultset_equals_expected(redis_graph.query(query, params), query_info)
def test_node_retrival(self):
p0 = Node(node_id=0, label="Person", properties={'name': 'a'})
p1 = Node(node_id=1, label="Person", properties={'name': 'b'})
p2 = Node(node_id=2, label="NoPerson", properties={'name': 'a'})
redis_graph.add_node(p0)
redis_graph.add_node(p1)
redis_graph.add_node(p2)
redis_graph.flush()
params = {'name': 'a'}
query = "MATCH (n :Person {name:$name}) RETURN n"
expected_results = [[p0]]
query_info = QueryInfo(query = query, description="Tests expression on param", expected_result = expected_results)
self._assert_resultset_equals_expected(redis_graph.query(query, params), query_info)
def test_parameterized_skip_limit(self):
params = {'skip': 1, 'limit': 1}
query = "UNWIND [1,2,3] AS X RETURN X SKIP $skip LIMIT $limit"
expected_results = [[2]]
query_info = QueryInfo(query = query, description="Tests skip limit as params", expected_result = expected_results)
self._assert_resultset_equals_expected(redis_graph.query(query, params), query_info)
# Set one parameter to non-integer value
params = {'skip': '1', 'limit': 1}
try:
redis_graph.query(query, params)
assert(False)
except redis.exceptions.ResponseError as e:
pass
def test_missing_parameter(self):
# Make sure missing parameters are reported back as an error.
query = "RETURN $missing"
try:
redis_graph.query(query)
assert(False)
except:
# Expecting an error.
pass
query = "MATCH (a) WHERE a.v = $missing RETURN a"
try:
redis_graph.query(query)
assert(False)
except:
# Expecting an error.
pass
query = "MATCH (a) SET a.v = $missing RETURN a"
try:
redis_graph.query(query)
assert(False)
except:
# Expecting an error.
pass
def test_id_scan(self):
redis_graph.query("CREATE ({val:1})")
expected_results=[[1]]
params = {'id' : 0}
query = "MATCH (n) WHERE id(n)=$id return n.val"
query_info = QueryInfo(query = query, description="Test id scan with params", expected_result = expected_results)
self._assert_resultset_equals_expected(redis_graph.query(query, params), query_info)
query = redis_graph.build_params_header(params) + query
plan = redis_graph.execution_plan(query)
self.env.assertIn('NodeByIdSeek', plan)
class testGraphCreationFlow(FlowTestsBase):
def __init__(self):
self.env = Env()
global redis_graph
redis_con = self.env.getConnection()
redis_graph = Graph(GRAPH_ID, redis_con)
def test01_create_return(self):
query = """CREATE (a:person {name:'A'}), (b:person {name:'B'})"""
result = redis_graph.query(query)
self.env.assertEquals(result.nodes_created, 2)
query = """MATCH (src:person) CREATE (src)-[e:knows]->(dest {name:'C'}) RETURN src,e,dest ORDER BY ID(src) DESC LIMIT 1"""
result = redis_graph.query(query)
self.env.assertEquals(result.nodes_created, 2)
self.env.assertEquals(result.relationships_created, 2)
self.env.assertEquals(len(result.result_set), 1)
self.env.assertEquals(result.result_set[0][0].properties['name'], 'B')
def test02_create_from_prop(self):
query = """MATCH (p:person)-[e:knows]->() CREATE (c:clone {doublename: p.name + toLower(p.name), source_of: TYPE(e)}) RETURN c.doublename, c.source_of ORDER BY c.doublename"""
result = redis_graph.query(query)
expected_result = [['Aa', 'knows'], ['Bb', 'knows']]
self.env.assertEquals(result.labels_added, 1)
self.env.assertEquals(result.nodes_created, 2)
self.env.assertEquals(result.properties_set, 4)
self.env.assertEquals(result.result_set, expected_result)
def test03_create_from_projection(self):
query = """UNWIND [10,20,30] AS x CREATE (p:person {age:x}) RETURN p.age ORDER BY p.age"""
result = redis_graph.query(query)
expected_result = [[10], [20], [30]]
self.env.assertEquals(result.nodes_created, 3)
self.env.assertEquals(result.properties_set, 3)
self.env.assertEquals(result.result_set, expected_result)
def test04_create_with_null_properties(self):
query = """CREATE (a:L {v1: NULL, v2: 'prop'}) RETURN a"""
result = redis_graph.query(query)
node = Node(label="L", properties={"v2": "prop"})
expected_result = [[node]]
self.env.assertEquals(result.labels_added, 1)
self.env.assertEquals(result.nodes_created, 1)
self.env.assertEquals(result.properties_set, 1)
self.env.assertEquals(result.result_set, expected_result)
# Create 2 new nodes, one with no properties and one with a property 'v'
query = """CREATE (:M), (:M {v: 1})"""
redis_graph.query(query)
# Verify that a MATCH...CREATE accesses the property correctly.
query = """MATCH (m:M) WITH m ORDER BY m.v DESC CREATE ({v: m.v})"""
result = redis_graph.query(query)
self.env.assertEquals(result.nodes_created, 2)
self.env.assertEquals(result.properties_set, 1)
def test05_create_with_property_reference(self):
# Skip this test if running under Valgrind, as it causes a memory leak.
if Env().envRunner.debugger is not None:
Env().skip()
# Queries that reference properties before they have been created should emit an error.
try:
query = """CREATE (a {val: 2}), (b {val: a.val})"""
redis_graph.query(query)
self.env.assertTrue(False)
except redis.exceptions.ResponseError as e:
self.env.assertIn("undefined property", e.message)
class test_v7_encode_decode(FlowTestsBase):
def __init__(self):
self.env = Env(moduleArgs='VKEY_MAX_ENTITY_COUNT 10')
global redis_con
redis_con = self.env.getConnection()
def test01_nodes_over_multiple_keys(self):
graph_name = "nodes_over_multiple_keys"
redis_graph = Graph(graph_name, redis_con)
# Create 3 nodes meta keys
redis_graph.query("UNWIND range(0,20) as i CREATE ({val:i})")
# Return all the nodes, before and after saving & loading the RDB, and check equality
query = "MATCH (n) return n"
expected = redis_graph.query(query)
# Save RDB & Load from RDB
redis_con.execute_command("DEBUG", "RELOAD")
actual = redis_graph.query(query)
self.env.assertEquals(expected.result_set, actual.result_set)
def test02_no_compaction_on_nodes_delete(self):
graph_name = "no_compaction_on_nodes_delete"
redis_graph = Graph(graph_name, redis_con)
# Create 3 nodes meta keys
redis_graph.query("UNWIND range(0,20) as i CREATE ()")
# Return all the nodes, before and after saving & loading the RDB, and check equality
query = "MATCH (n) WITH n ORDER by id(n) return COLLECT(id(n))"
expected_full_graph_nodes_id = redis_graph.query(query)
# Delete 3 nodes.
redis_graph.query("MATCH (n) WHERE id(n) IN [7,14,20] DELETE n")
expected_nodes_id_after_delete = redis_graph.query(query)
# Save RDB & Load from RDB
redis_con.execute_command("DEBUG", "RELOAD")
actual = redis_graph.query(query)
# Validate no compaction, all IDs are the same
self.env.assertEquals(expected_nodes_id_after_delete.result_set,
actual.result_set)
# Validate reuse of node ids - create 3 nodes.
redis_graph.query("UNWIND range (0,2) as i CREATE ()")
actual = redis_graph.query(query)
self.env.assertEquals(expected_full_graph_nodes_id.result_set,
actual.result_set)
def test03_edges_over_multiple_keys(self):
graph_name = "edges_over_multiple_keys"
redis_graph = Graph(graph_name, redis_con)
# Create 3 edges meta keys
redis_graph.query("UNWIND range(0,20) as i CREATE ()-[:R {val:i}]->()")
# Return all the edges, before and after saving & loading the RDB, and check equality
query = "MATCH ()-[e]->() return e"
expected = redis_graph.query(query)
# Save RDB & Load from RDB
redis_con.execute_command("DEBUG", "RELOAD")
actual = redis_graph.query(query)
self.env.assertEquals(expected.result_set, actual.result_set)
def test04_no_compaction_on_edges_delete(self):
graph_name = "no_compaction_on_edges_delete"
redis_graph = Graph(graph_name, redis_con)
# Create 3 nodes meta keys
redis_graph.query("UNWIND range(0,20) as i CREATE ()-[:R]->()")
# Return all the edges, before and after saving & loading the RDB, and check equality
query = "MATCH ()-[e]->() WITH e ORDER by id(e) return COLLECT(id(e))"
expected_full_graph_nodes_id = redis_graph.query(query)
# Delete 3 edges.
redis_graph.query("MATCH ()-[e]->() WHERE id(e) IN [7,14,20] DELETE e")
expected_nodes_id_after_delete = redis_graph.query(query)
# Save RDB & Load from RDB
redis_con.execute_command("DEBUG", "RELOAD")
actual = redis_graph.query(query)
# Validate no compaction, all IDs are the same
self.env.assertEquals(expected_nodes_id_after_delete.result_set,
actual.result_set)
# Validate reuse of edges ids - create 3 edges.
redis_graph.query("UNWIND range (0,2) as i CREATE ()-[:R]->()")
actual = redis_graph.query(query)
self.env.assertEquals(expected_full_graph_nodes_id.result_set,
actual.result_set)
def test05_multiple_edges_over_multiple_keys(self):
graph_name = "multiple_edges_over_multiple_keys"
redis_graph = Graph(graph_name, redis_con)
# Create 3 edges meta keys
redis_graph.query(
"CREATE (n1 {val:1}), (n2 {val:2}) WITH n1, n2 UNWIND range(0,20) as i CREATE (n1)-[:R {val:i}]->(n2)"
)
# Return all the edges, before and after saving & loading the RDB, and check equality
query = "MATCH ()-[e]->() return e"
expected = redis_graph.query(query)
# Save RDB & Load from RDB
redis_con.execute_command("DEBUG", "RELOAD")
actual = redis_graph.query(query)
self.env.assertEquals(expected.result_set, actual.result_set)
def test06_no_compaction_on_multiple_edges_delete(self):
graph_name = "no_compaction_on_multiple_edges_delete"
redis_graph = Graph(graph_name, redis_con)
# Create 3 nodes meta keys
redis_graph.query(
"CREATE (n1 {val:1}), (n2 {val:2}) WITH n1, n2 UNWIND range(0,20) as i CREATE (n1)-[:R]->(n2)"
)
# Return all the edges, before and after saving & loading the RDB, and check equality
query = "MATCH ()-[e]->() WITH e ORDER by id(e) return COLLECT(id(e))"
expected_full_graph_nodes_id = redis_graph.query(query)
# Delete 3 edges.
redis_graph.query("MATCH ()-[e]->() WHERE id(e) IN [7,14,20] DELETE e")
expected_nodes_id_after_delete = redis_graph.query(query)
# Save RDB & Load from RDB
redis_con.execute_command("DEBUG", "RELOAD")
actual = redis_graph.query(query)
# Validate no compaction, all IDs are the same
self.env.assertEquals(expected_nodes_id_after_delete.result_set,
actual.result_set)
# Validate reuse of edges ids - create 3 edges.
redis_graph.query(
"MATCH (n1 {val:1}), (n2 {val:2}) WITH n1, n2 UNWIND range (0,2) as i CREATE ()-[:R]->()"
)
actual = redis_graph.query(query)
self.env.assertEquals(expected_full_graph_nodes_id.result_set,
actual.result_set)
def test07_index_after_encode_decode_in_v7(self):
graph_name = "index_after_encode_decode_in_v7"
redis_graph = Graph(graph_name, redis_con)
redis_graph.query("CREATE INDEX ON :N(val)")
# Verify indices exists.
plan = redis_graph.execution_plan("MATCH (n:N {val:1}) RETURN n")
self.env.assertIn("Index Scan", plan)
# Save RDB & Load from RDB
redis_con.execute_command("DEBUG", "RELOAD")
# Verify indices exists after loading RDB.
plan = redis_graph.execution_plan("MATCH (n:N {val:1}) RETURN n")
self.env.assertIn("Index Scan", plan)
class testMap(FlowTestsBase):
def __init__(self):
global redis_graph
self.env = Env(decodeResponses=True)
redis_con = self.env.getConnection()
redis_graph = Graph(GRAPH_ID, redis_con)
self.populate_graph()
def populate_graph(self):
# Construct a graph with the form:
# (v1)-[:E]->(v2)-[:E]->(v3)
q = """CREATE (:L {val:1})-[:E]->(:L {val:2})-[:E]->(:L {val:3})"""
redis_graph.query(q)
# Validate basic map lookup operations
def test01_basic_map_accesses(self):
# Return a full map
query = """WITH {val: 5} AS map RETURN map"""
query_result = redis_graph.query(query)
expected_result = [[{'val': 5}]]
self.env.assertEquals(query_result.result_set, expected_result)
# Return a map value with dot notation
query = """WITH {val: 5} AS map RETURN map.val"""
query_result = redis_graph.query(query)
expected_result = [[5]]
self.env.assertEquals(query_result.result_set, expected_result)
# Return a map value with bracket notation
query = """WITH {val: 5} AS map RETURN map['val']"""
query_result = redis_graph.query(query)
expected_result = [[5]]
self.env.assertEquals(query_result.result_set, expected_result)
# Validate map projection behavior
def test02_map_projections(self):
query = """MATCH (a) RETURN a {.val} ORDER BY a.val"""
query_result = redis_graph.query(query)
expected_result = [[{'val': 1}],
[{'val': 2}],
[{'val': 3}]]
self.env.assertEquals(query_result.result_set, expected_result)
query = """WITH 'lit' AS literal MATCH (a) RETURN a {.val, literal} ORDER BY a.val"""
query_result = redis_graph.query(query)
expected_result = [[{'val': 1, 'literal': 'lit'}],
[{'val': 2, 'literal': 'lit'}],
[{'val': 3, 'literal': 'lit'}]]
self.env.assertEquals(query_result.result_set, expected_result)
# Validate behaviors of nested maps
def test03_nested_maps(self):
# Return a map with nesting
query = """WITH {val: 5, nested: {nested_val: 'nested_str'}} AS map RETURN map"""
query_result = redis_graph.query(query)
expected_result = [[{'val': 5, 'nested': {'nested_val': 'nested_str'}}]]
self.env.assertEquals(query_result.result_set, expected_result)
# Return just the nested value
query = """WITH {val: 5, nested: {nested_val: 'nested_str'}} AS map RETURN map.nested"""
query_result = redis_graph.query(query)
expected_result = [[{'nested_val': 'nested_str'}]]
self.env.assertEquals(query_result.result_set, expected_result)
# Perform operations on map values
query = """WITH {val: 5, nested: {nested_val: 'nested_str'}} AS map RETURN map.val + '_' + map.nested.nested_val"""
query_result = redis_graph.query(query)
expected_result = [['5_nested_str']]
self.env.assertEquals(query_result.result_set, expected_result)
# Deeply nested map
query = """RETURN {a: {b: {c: {d: {e: {f: {g: {h: {i: {j: {}}}}}}}}}}}"""
query_result = redis_graph.query(query)
expected_result = [[{'a': {'b': {'c': {'d': {'e': {'f': {'g': {'h': {'i': {'j': {}}}}}}}}}}}]]
self.env.assertEquals(query_result.result_set, expected_result)
# Validate map sorting logic (first by keys, then by values)
def test04_map_sorting(self):
query = """UNWIND[{b: 1}, {a: 2}] AS map RETURN map ORDER BY map"""
query_result = redis_graph.query(query)
expected_result = [[{'a': 2}],
[{'b': 1}]]
self.env.assertEquals(query_result.result_set, expected_result)
query = """UNWIND[{a: 2}, {a: 1}] AS map RETURN map ORDER BY map"""
query_result = redis_graph.query(query)
expected_result = [[{'a': 1}],
[{'a': 2}]]
self.env.assertEquals(query_result.result_set, expected_result)
query = """UNWIND[{a: 2}, {x: 1, k: 2}] AS map RETURN map ORDER BY map"""
query_result = redis_graph.query(query)
expected_result = [[{'a': 2}],
[{'x': 1, 'k': 2}]]
self.env.assertEquals(query_result.result_set, expected_result)
# Validate map comparison logic (first by keys, then by values)
def test05_map_comparison(self):
query = """WITH {b: 2} AS map_1, {a: 1} AS map_2 RETURN map_1 > map_2, map_1 < map_2, map_1 = map_2, map_1 <> map_2"""
query_result = redis_graph.query(query)
expected_result = [[True, False, False, True]]
self.env.assertEquals(query_result.result_set, expected_result)
query = """WITH {a: 2} AS map_1, {a: 1} AS map_2 RETURN map_1 > map_2, map_1 < map_2, map_1 = map_2, map_1 <> map_2"""
query_result = redis_graph.query(query)
expected_result = [[True, False, False, True]]
self.env.assertEquals(query_result.result_set, expected_result)
# Map equality is not predicated on key order.
query = """WITH {a: 1, b: 2} AS map_1, {b: 2, a: 1} AS map_2 RETURN map_1 > map_2, map_1 < map_2, map_1 = map_2, map_1 <> map_2"""
query_result = redis_graph.query(query)
expected_result = [[False, False, True, False]]
self.env.assertEquals(query_result.result_set, expected_result)
# Validate that maps are handled correctly by the DISTINCT operator.
def test05_map_distinct(self):
# Map uniqueness is not predicated on key order.
query = """UNWIND[{b: 2, a: 1}, {b: 2, a: 1}, {a: 1, b: 2}] AS map RETURN DISTINCT map"""
query_result = redis_graph.query(query)
expected_result = [[{'a': 1, 'b': 2}]]
self.env.assertEquals(query_result.result_set, expected_result)
# Validate that trying to access a map with a non-string key errors gracefully.
def test06_map_invalid_key_lookup(self):
try:
query = """WITH {val: 5} AS map RETURN map[0]"""
redis_graph.query(query)
self.env.assertTrue(False)
except redis.exceptions.ResponseError as e:
self.env.assertIn("Type mismatch", str(e))
class testTraversalConstruction():
def __init__(self):
global graph
self.env = Env(decodeResponses=True)
redis_con = self.env.getConnection()
graph = Graph("TraversalConstruction", redis_con)
# Test differing starting points for the same search pattern
def test_starting_point(self):
# Neither the source nor the destination are labeled
# perform an AllNodeScan from the source node.
query = """MATCH (a)-[]->(b) RETURN a, b"""
plan = graph.execution_plan(query)
self.env.assertIn("All Node Scan | (a)", plan)
# Destination is labeled, perform a LabelScan from the destination node.
query = """MATCH (a)-[]->(b:B) RETURN a, b"""
plan = graph.execution_plan(query)
self.env.assertIn("Node By Label Scan | (b:B)", plan)
# Destination is filtered, perform an AllNodeScan from the destination node.
query = """MATCH (a)-[]->(b) WHERE b.v = 2 RETURN a, b"""
plan = graph.execution_plan(query)
self.env.assertIn("All Node Scan | (b)", plan)
# Destination is labeled but source is filtered, perform an AllNodeScan from the source node.
query = """MATCH (a)-[]->(b:B) WHERE a.v = 1 OR a.v = 3 RETURN a, b"""
plan = graph.execution_plan(query)
self.env.assertIn("All Node Scan | (a)", plan)
# Both are labeled and source is filtered, perform a LabelScan from the source node.
query = """MATCH (a:A)-[]->(b:B) WHERE a.v = 3 RETURN a, b"""
plan = graph.execution_plan(query)
self.env.assertIn("Node By Label Scan | (a:A)", plan)
# Both are labeled and dest is filtered, perform a LabelScan from the dest node.
query = """MATCH (a:A)-[]->(b:B) WHERE b.v = 2 RETURN a, b"""
plan = graph.execution_plan(query)
self.env.assertIn("Node By Label Scan | (b:B)", plan)
# make sure traversal begins with labeled entity
def test_start_with_label(self):
queries = [
"MATCH (A:L)-->(B)-->(C) RETURN 1",
# "MATCH (A)-->(B:L)-->(C) RETURN 1", # improve on this case
"MATCH (A)-->(B)-->(C:L) RETURN 1"
]
for q in queries:
plan = graph.execution_plan(q)
ops = plan.split(os.linesep)
ops.reverse()
self.env.assertTrue("Node By Label Scan" in ops[0])
# make sure traversal begins with filtered entity
def test_start_with_filter(self):
# MATCH (A)-->(B)-->(C) WHERE A.val = 1 RETURN *
# MATCH (A)-->(B)-->(C) WHERE B.val = 1 RETURN *
# MATCH (A)-->(B)-->(C) WHERE C.val = 1 RETURN *
entities = ['A', 'B', 'C']
for e in entities:
q = """MATCH (A)-->(B)-->(C) WHERE {}.val = 1 RETURN *""".format(e)
plan = graph.execution_plan(q)
ops = plan.split(os.linesep)
ops.reverse()
self.env.assertTrue("All Node Scan | ({})".format(e) in ops[0])
self.env.assertTrue("Filter" in ops[1])
# make sure traversal begins with bound entity
def test_start_with_bound(self):
# MATCH (X) WITH X as A MATCH (A)-->(B)-->(C) RETURN *
# MATCH (X) WITH X as B MATCH (A)-->(B)-->(C) RETURN *
# MATCH (X) WITH X as C MATCH (A)-->(B)-->(C) RETURN *
entities = ['A', 'B', 'C']
for e in entities:
q = "MATCH (X) WITH X as {} MATCH (A)-->(B)-->(C) RETURN *".format(
e)
plan = graph.execution_plan(q)
ops = plan.split(os.linesep)
ops.reverse()
self.env.assertTrue(
"Conditional Traverse | ({}".format(e) in ops[2])
# make sure traversal begins with bound entity and follows with filter
def test_start_with_bound_follows_with_filter(self):
queries = [
"MATCH (X) WITH X AS B MATCH (A {v:1})-->(B)-->(C) RETURN *",
"MATCH (X) WITH X AS B MATCH (A)-->(B)-->(C {v:1}) RETURN *"
]
for q in queries:
plan = graph.execution_plan(q)
ops = plan.split(os.linesep)
ops.reverse()
self.env.assertTrue("Filter" in ops[3])
def test_filter_as_early_as_possible(self):
q = """MATCH (A:L {v: 1})-->(B)-->(C), (B)-->(D:L {v: 1}) RETURN 1"""
plan = graph.execution_plan(q)
ops = plan.split(os.linesep)
ops.reverse()
self.env.assertTrue("Node By Label Scan"
in ops[0]) # scan either A or D
self.env.assertTrue("Filter" in ops[1]) # filter either A or D
self.env.assertTrue("Conditional Traverse"
in ops[2]) # traverse from A to D or from D to A
self.env.assertTrue("Conditional Traverse"
in ops[3]) # traverse from A to D or from D to A
self.env.assertTrue("Filter" in ops[4]) # filter either A or D
def test_long_pattern(self):
q = """match (a)--(b)--(c)--(d)--(e)--(f)--(g)--(h)--(i)--(j)--(k)--(l) return *"""
plan = graph.execution_plan(q)
ops = plan.split(os.linesep)
self.env.assertEqual(len(ops), 14)
def test_start_with_index_filter(self):
# TODO: enable this test, once we'll score higher filters that
# have the potential turn into index scan
return
q = """CREATE INDEX ON :L(v)"""
graph.query(q)
q = """MATCH (a:L {v:1})-[]-(b:L {x:1}) RETURN a, b"""
plan = graph.execution_plan(q)
ops = plan.split(os.linesep)
ops.reverse()
self.env.assertTrue("Index Scan" in ops[0]) # start with index scan
q = """MATCH (a:L {x:1})-[]-(b:L {v:1}) RETURN a, b"""
plan = graph.execution_plan(q)
ops = plan.split(os.linesep)
ops.reverse()
self.env.assertTrue("Index Scan" in ops[0]) # start with index scan
class testIndexScanFlow(FlowTestsBase):
def __init__(self):
self.env = Env()
def setUp(self):
global redis_graph
redis_con = self.env.getConnection()
redis_graph = Graph(social_utils.graph_name, redis_con)
social_utils.populate_graph(redis_con, redis_graph)
self.build_indices()
def tearDown(self):
self.env.cmd('flushall')
def build_indices(self):
global redis_graph
redis_graph.redis_con.execute_command("GRAPH.QUERY", "social", "CREATE INDEX ON :person(age)")
redis_graph.redis_con.execute_command("GRAPH.QUERY", "social", "CREATE INDEX ON :country(name)")
# Validate that Cartesian products using index and label scans succeed
def test01_cartesian_product_mixed_scans(self):
query = "MATCH (p:person), (c:country) WHERE p.age > 0 RETURN p.age, c.name ORDER BY p.age, c.name"
plan = redis_graph.execution_plan(query)
self.env.assertIn('Index Scan', plan)
self.env.assertIn('Label Scan', plan)
indexed_result = redis_graph.query(query)
query = "MATCH (p:person), (c:country) RETURN p.age, c.name ORDER BY p.age, c.name"
plan = redis_graph.execution_plan(query)
self.env.assertNotIn('Index Scan', plan)
self.env.assertIn('Label Scan', plan)
unindexed_result = redis_graph.query(query)
self.env.assertEquals(indexed_result.result_set, unindexed_result.result_set)
# Validate that Cartesian products using just index scans succeed
def test02_cartesian_product_index_scans_only(self):
query = "MATCH (p:person), (c:country) WHERE p.age > 0 AND c.name > '' RETURN p.age, c.name ORDER BY p.age, c.name"
plan = redis_graph.execution_plan(query)
# The two streams should both use index scans
self.env.assertEquals(plan.count('Index Scan'), 2)
self.env.assertNotIn('Label Scan', plan)
indexed_result = redis_graph.query(query)
query = "MATCH (p:person), (c:country) RETURN p.age, c.name ORDER BY p.age, c.name"
plan = redis_graph.execution_plan(query)
self.env.assertNotIn('Index Scan', plan)
self.env.assertIn('Label Scan', plan)
unindexed_result = redis_graph.query(query)
self.env.assertEquals(indexed_result.result_set, unindexed_result.result_set)
# Validate that the appropriate bounds are respected when a Cartesian product uses the same index in two streams
def test03_cartesian_product_reused_index(self):
redis_graph.redis_con.execute_command("GRAPH.QUERY", "social", "CREATE INDEX ON :person(name)")
query = "MATCH (a:person {name: 'Omri Traub'}), (b:person) WHERE b.age <= 30 RETURN a.name, b.name ORDER BY a.name, b.name"
plan = redis_graph.execution_plan(query)
# The two streams should both use index scans
self.env.assertEquals(plan.count('Index Scan'), 2)
self.env.assertNotIn('Label Scan', plan)
expected_result = [['Omri Traub', 'Gal Derriere'],
['Omri Traub', 'Lucy Yanfital']]
result = redis_graph.query(query)
self.env.assertEquals(result.result_set, expected_result)
# Validate index utilization when filtering on a numeric field with the `IN` keyword.
def test04_test_in_operator_numerics(self):
# Validate the transformation of IN to multiple OR expressions.
query = "MATCH (p:person) WHERE p.age IN [1,2,3] RETURN p"
plan = redis_graph.execution_plan(query)
self.env.assertIn('Index Scan', plan)
# Validate that nested arrays are not scanned in index.
query = "MATCH (p:person) WHERE p.age IN [[1,2],3] RETURN p"
plan = redis_graph.execution_plan(query)
self.env.assertNotIn('Index Scan', plan)
self.env.assertIn('Label Scan', plan)
# Validate the transformation of IN to multiple OR, over a range.
query = "MATCH (p:person) WHERE p.age IN range(0,30) RETURN p.name ORDER BY p.name"
plan = redis_graph.execution_plan(query)
self.env.assertIn('Index Scan', plan)
expected_result = [['Gal Derriere'], ['Lucy Yanfital']]
result = redis_graph.query(query)
self.env.assertEquals(result.result_set, expected_result)
# Validate the transformation of IN to empty index iterator.
query = "MATCH (p:person) WHERE p.age IN [] RETURN p.name"
plan = redis_graph.execution_plan(query)
self.env.assertIn('Index Scan', plan)
expected_result = []
result = redis_graph.query(query)
self.env.assertEquals(result.result_set, expected_result)
# Validate the transformation of IN OR IN to empty index iterators.
query = "MATCH (p:person) WHERE p.age IN [] OR p.age IN [] RETURN p.name"
plan = redis_graph.execution_plan(query)
self.env.assertIn('Index Scan', plan)
expected_result = []
result = redis_graph.query(query)
self.env.assertEquals(result.result_set, expected_result)
# Validate the transformation of multiple IN filters.
query = "MATCH (p:person) WHERE p.age IN [26, 27, 30] OR p.age IN [33, 34, 35] RETURN p.name ORDER BY p.age"
plan = redis_graph.execution_plan(query)
self.env.assertIn('Index Scan', plan)
expected_result = [['Gal Derriere'], ['Lucy Yanfital'], ['Omri Traub'], ['Noam Nativ']]
result = redis_graph.query(query)
self.env.assertEquals(result.result_set, expected_result)
# Validate the transformation of multiple IN filters.
query = "MATCH (p:person) WHERE p.age IN [26, 27, 30] OR p.age IN [33, 34, 35] OR p.age IN [] RETURN p.name ORDER BY p.age"
plan = redis_graph.execution_plan(query)
self.env.assertIn('Index Scan', plan)
expected_result = [['Gal Derriere'], ['Lucy Yanfital'], ['Omri Traub'], ['Noam Nativ']]
result = redis_graph.query(query)
self.env.assertEquals(result.result_set, expected_result)
# Validate index utilization when filtering on string fields with the `IN` keyword.
def test05_test_in_operator_string_props(self):
# Build an index on the name property.
redis_graph.redis_con.execute_command("GRAPH.QUERY", "social", "CREATE INDEX ON :person(name)")
# Validate the transformation of IN to multiple OR expressions over string properties.
query = "MATCH (p:person) WHERE p.name IN ['Gal Derriere', 'Lucy Yanfital'] RETURN p.name ORDER BY p.name"
plan = redis_graph.execution_plan(query)
self.env.assertIn('Index Scan', plan)
self.env.assertNotIn('Label Scan', plan)
expected_result = [['Gal Derriere'], ['Lucy Yanfital']]
result = redis_graph.query(query)
self.env.assertEquals(result.result_set, expected_result)
# Combine numeric and string filters specified by IN.
query = "MATCH (p:person) WHERE p.name IN ['Gal Derriere', 'Lucy Yanfital'] AND p.age in [30] RETURN p.name ORDER BY p.name"
plan = redis_graph.execution_plan(query)
self.env.assertIn('Index Scan', plan)
self.env.assertNotIn('Label Scan', plan)
expected_result = [['Lucy Yanfital']]
result = redis_graph.query(query)
self.env.assertEquals(result.result_set, expected_result)
# Validate an empty index on IN with multiple indexes
query = "MATCH (p:person) WHERE p.name IN [] OR p.age IN [] RETURN p.name"
plan = redis_graph.execution_plan(query)
self.env.assertIn('Index Scan', plan)
expected_result = []
result = redis_graph.query(query)
self.env.assertEquals(result.result_set, expected_result)
# Combine IN filters with other relational filters.
query = "MATCH (p:person) WHERE p.name IN ['Gal Derriere', 'Lucy Yanfital'] AND p.name < 'H' RETURN p.name ORDER BY p.name"
plan = redis_graph.execution_plan(query)
self.env.assertIn('Index Scan', plan)
self.env.assertNotIn('Label Scan', plan)
expected_result = [['Gal Derriere']]
result = redis_graph.query(query)
self.env.assertEquals(result.result_set, expected_result)
query = "MATCH (p:person) WHERE p.name IN ['Gal Derriere', 'Lucy Yanfital'] OR p.age = 33 RETURN p.name ORDER BY p.name"
plan = redis_graph.execution_plan(query)
self.env.assertIn('Index Scan', plan)
self.env.assertNotIn('Label Scan', plan)
expected_result = [['Gal Derriere'], ['Lucy Yanfital'], ['Omri Traub']]
result = redis_graph.query(query)
result = redis_graph.query(query)
self.env.assertEquals(result.result_set, expected_result)
# ',' is the default separator for tag indices
# we've updated our separator to '\0' this test verifies issue 696:
# https://github.com/RedisGraph/RedisGraph/issues/696
def test06_tag_separator(self):
redis_con = self.env.getConnection()
redis_graph = Graph("G", redis_con)
# Create a single node with a long string property, introduce a comma as part of the string.
query = """CREATE (:Node{value:"A ValuePartition is a pattern that describes a restricted set of classes from which a property can be associated. The parent class is used in restrictions, and the covering axiom means that only members of the subclasses may be used as values."})"""
redis_graph.query(query)
# Index property.
query = """CREATE INDEX ON :Node(value)"""
redis_graph.query(query)
# Make sure node is returned by index scan.
query = """MATCH (a:Node{value:"A ValuePartition is a pattern that describes a restricted set of classes from which a property can be associated. The parent class is used in restrictions, and the covering axiom means that only members of the subclasses may be used as values."}) RETURN a"""
plan = redis_graph.execution_plan(query)
result_set = redis_graph.query(query).result_set
self.env.assertIn('Index Scan', plan)
self.env.assertEqual(len(result_set), 1)
def test07_index_scan_and_id(self):
redis_con = self.env.getConnection()
redis_graph = Graph("G", redis_con)
nodes=[]
for i in range(10):
node = Node(node_id=i, label='person', properties={'age':i})
nodes.append(node)
redis_graph.add_node(node)
redis_graph.flush()
query = """CREATE INDEX ON :person(age)"""
query_result = redis_graph.query(query)
self.env.assertEqual(1, query_result.indices_created)
query = """MATCH (n:person) WHERE id(n)>=7 AND n.age<9 RETURN n ORDER BY n.age"""
plan = redis_graph.execution_plan(query)
query_result = redis_graph.query(query)
self.env.assertIn('Index Scan', plan)
self.env.assertIn('Filter', plan)
query_result = redis_graph.query(query)
self.env.assertEqual(2, len(query_result.result_set))
expected_result = [[nodes[7]], [nodes[8]]]
self.env.assertEquals(expected_result, query_result.result_set)
# Validate placement of index scans and filter ops when not all filters can be replaced.
def test08_index_scan_multiple_filters(self):
query = "MATCH (p:person) WHERE p.age = 30 AND NOT EXISTS(p.fakeprop) RETURN p.name"
plan = redis_graph.execution_plan(query)
self.env.assertIn('Index Scan', plan)
self.env.assertNotIn('Label Scan', plan)
self.env.assertIn('Filter', plan)
query_result = redis_graph.query(query)
expected_result = ["Lucy Yanfital"]
self.env.assertEquals(query_result.result_set[0], expected_result)
class testGraphCreationFlow(FlowTestsBase):
def __init__(self):
self.env = Env(decodeResponses=True)
global redis_graph
redis_con = self.env.getConnection()
redis_graph = Graph(GRAPH_ID, redis_con)
def test01_create_return(self):
query = """CREATE (a:person {name:'A'}), (b:person {name:'B'})"""
result = redis_graph.query(query)
self.env.assertEquals(result.nodes_created, 2)
query = """MATCH (src:person) CREATE (src)-[e:knows]->(dest {name:'C'}) RETURN src,e,dest ORDER BY ID(src) DESC LIMIT 1"""
result = redis_graph.query(query)
self.env.assertEquals(result.nodes_created, 2)
self.env.assertEquals(result.relationships_created, 2)
self.env.assertEquals(len(result.result_set), 1)
self.env.assertEquals(result.result_set[0][0].properties['name'], 'B')
def test02_create_from_prop(self):
query = """MATCH (p:person)-[e:knows]->() CREATE (c:clone {doublename: p.name + toLower(p.name), source_of: TYPE(e)}) RETURN c.doublename, c.source_of ORDER BY c.doublename"""
result = redis_graph.query(query)
expected_result = [['Aa', 'knows'], ['Bb', 'knows']]
self.env.assertEquals(result.labels_added, 1)
self.env.assertEquals(result.nodes_created, 2)
self.env.assertEquals(result.properties_set, 4)
self.env.assertEquals(result.result_set, expected_result)
def test03_create_from_projection(self):
query = """UNWIND [10,20,30] AS x CREATE (p:person {age:x}) RETURN p.age ORDER BY p.age"""
result = redis_graph.query(query)
expected_result = [[10], [20], [30]]
self.env.assertEquals(result.nodes_created, 3)
self.env.assertEquals(result.properties_set, 3)
self.env.assertEquals(result.result_set, expected_result)
query = """UNWIND ['Vancouver', 'Portland', 'Calgary'] AS city CREATE (p:person {birthplace: city}) RETURN p.birthplace ORDER BY p.birthplace"""
result = redis_graph.query(query)
expected_result = [['Calgary'], ['Portland'], ['Vancouver']]
self.env.assertEquals(result.nodes_created, 3)
self.env.assertEquals(result.properties_set, 3)
self.env.assertEquals(result.result_set, expected_result)
def test04_create_with_null_properties(self):
query = """CREATE (a:L {v1: NULL, v2: 'prop'}) RETURN a"""
result = redis_graph.query(query)
node = Node(label="L", properties={"v2": "prop"})
expected_result = [[node]]
self.env.assertEquals(result.labels_added, 1)
self.env.assertEquals(result.nodes_created, 1)
self.env.assertEquals(result.properties_set, 1)
self.env.assertEquals(result.result_set, expected_result)
# Create 2 new nodes, one with no properties and one with a property 'v'
query = """CREATE (:M), (:M {v: 1})"""
redis_graph.query(query)
# Verify that a MATCH...CREATE accesses the property correctly.
query = """MATCH (m:M) WITH m ORDER BY m.v DESC CREATE ({v: m.v})"""
result = redis_graph.query(query)
self.env.assertEquals(result.nodes_created, 2)
self.env.assertEquals(result.properties_set, 1)
def test05_create_with_property_reference(self):
# Skip this test if running under Valgrind, as it causes a memory leak.
if self.env.envRunner.debugger is not None:
self.env.skip()
# Queries that reference properties before they have been created should emit an error.
try:
query = """CREATE (a {val: 2}), (b {val: a.val})"""
redis_graph.query(query)
self.env.assertTrue(False)
except redis.exceptions.ResponseError as e:
self.env.assertIn("undefined property", str(e))
def test06_create_project_volatile_value(self):
# The path e is volatile; verify that it can be projected after entity creation.
query = """MATCH ()-[e*]->() CREATE (:L) WITH e RETURN 5"""
result = redis_graph.query(query)
expected_result = [[5], [5]]
self.env.assertEquals(result.nodes_created, 2)
self.env.assertEquals(result.result_set, expected_result)
query = """UNWIND [1, 2] AS val WITH collect(val) AS arr CREATE (:L) RETURN arr"""
result = redis_graph.query(query)
expected_result = [[[1, 2]]]
self.env.assertEquals(result.nodes_created, 1)
self.env.assertEquals(result.result_set, expected_result)
# Fail when a property is a complex type nested within an array type
def test07_create_invalid_complex_type_in_array(self):
# Test combinations of invalid types with nested and top-level arrays
# Invalid types are NULL, maps, nodes, edges, and paths
queries = ["CREATE (a), (b) SET a.v = [b]",
"CREATE (a {v: ['str', [1, NULL]]})",
"CREATE (a {v: [[{k: 'v'}]]})",
"CREATE (a:L {v: [e]})-[e:R]->(:L)"]
for query in queries:
try:
redis_graph.query(query)
self.env.assertTrue(False)
except redis.exceptions.ResponseError as e:
self.env.assertContains("Property values can only be of primitive types or arrays of primitive types", str(e))
class testGraphPersistency():
def __init__(self):
self.env = Env(decodeResponses=True)
global redis_con
redis_con = self.env.getConnection()
def populate_graph(self, graph_name):
redis_graph = Graph(graph_name, redis_con)
# quick return if graph already exists
if redis_con.exists(graph_name):
return redis_graph
people = ["Roi", "Alon", "Ailon", "Boaz", "Tal", "Omri", "Ori"]
visits = [("Roi", "USA"), ("Alon", "Israel"), ("Ailon", "Japan"),
("Boaz", "United Kingdom")]
countries = ["Israel", "USA", "Japan", "United Kingdom"]
personNodes = {}
countryNodes = {}
# create nodes
for p in people:
person = Node(label="person",
properties={
"name": p,
"height": random.randint(160, 200)
})
redis_graph.add_node(person)
personNodes[p] = person
for c in countries:
country = Node(label="country",
properties={
"name": c,
"population": random.randint(100, 400)
})
redis_graph.add_node(country)
countryNodes[c] = country
# create edges
for v in visits:
person = v[0]
country = v[1]
edge = Edge(personNodes[person],
'visit',
countryNodes[country],
properties={'purpose': 'pleasure'})
redis_graph.add_edge(edge)
redis_graph.commit()
# delete nodes, to introduce deleted entries within our datablock
query = """MATCH (n:person) WHERE n.name = 'Roi' or n.name = 'Ailon' DELETE n"""
redis_graph.query(query)
query = """MATCH (n:country) WHERE n.name = 'USA' DELETE n"""
redis_graph.query(query)
# create indices
redis_con.execute_command(
"GRAPH.QUERY", graph_name,
"CREATE INDEX FOR (p:Person) ON (p.name, p.height)")
redis_con.execute_command(
"GRAPH.QUERY", graph_name,
"CREATE INDEX FOR (c:country) ON (c.name, c.population)")
actual_result = redis_con.execute_command(
"GRAPH.QUERY", graph_name,
"CREATE INDEX FOR ()-[r:visit]-() ON (r.purpose)")
actual_result = redis_con.execute_command(
"GRAPH.QUERY", graph_name,
"CALL db.idx.fulltext.createNodeIndex({label: 'person', stopwords: ['A', 'B'], language: 'english'}, 'text')"
)
return redis_graph
def populate_dense_graph(self, graph_name):
dense_graph = Graph(graph_name, redis_con)
# return early if graph exists
if redis_con.exists(graph_name):
return dense_graph
nodes = []
for i in range(10):
node = Node(label="n", properties={"val": i})
dense_graph.add_node(node)
nodes.append(node)
for n_idx, n in enumerate(nodes):
for m_idx, m in enumerate(nodes[:n_idx]):
dense_graph.add_edge(Edge(n, "connected", m))
dense_graph.flush()
return dense_graph
def test01_save_load(self):
graph_names = ["G", "{tag}_G"]
for graph_name in graph_names:
graph = self.populate_graph(graph_name)
for i in range(2):
if i == 1:
# Save RDB & Load from RDB
self.env.dumpAndReload()
# Verify
# Expecting 5 person entities.
query = """MATCH (p:person) RETURN COUNT(p)"""
actual_result = graph.query(query)
nodeCount = actual_result.result_set[0][0]
self.env.assertEquals(nodeCount, 5)
query = """MATCH (p:person) WHERE p.name='Alon' RETURN COUNT(p)"""
actual_result = graph.query(query)
nodeCount = actual_result.result_set[0][0]
self.env.assertEquals(nodeCount, 1)
# Expecting 3 country entities.
query = """MATCH (c:country) RETURN COUNT(c)"""
actual_result = graph.query(query)
nodeCount = actual_result.result_set[0][0]
self.env.assertEquals(nodeCount, 3)
query = """MATCH (c:country) WHERE c.name = 'Israel' RETURN COUNT(c)"""
actual_result = graph.query(query)
nodeCount = actual_result.result_set[0][0]
self.env.assertEquals(nodeCount, 1)
# Expecting 2 visit edges.
query = """MATCH (n:person)-[e:visit]->(c:country) WHERE e.purpose='pleasure' RETURN COUNT(e)"""
actual_result = graph.query(query)
edgeCount = actual_result.result_set[0][0]
self.env.assertEquals(edgeCount, 2)
# Verify indices exists
indices = graph.query("""CALL db.indexes()""").result_set
expected_indices = [[
'exact-match', 'country', ['name', 'population'],
'english', [], 'NODE'
],
[
'exact-match', 'person',
['name', 'height'], 'english', [],
'NODE'
],
[
'full-text', 'person', ['text'],
'english', ['a', 'b'], 'NODE'
],
[
'exact-match', 'visit',
['_src_id', '_dest_id', 'purpose'],
'english', [], 'RELATIONSHIP'
]]
self.env.assertEquals(len(indices), len(expected_indices))
for index in indices:
self.env.assertIn(index, indices)
# Verify that edges are not modified after entity deletion
def test02_deleted_entity_migration(self):
graph_names = ("H", "{tag}_H")
for graph_name in graph_names:
graph = self.populate_dense_graph(graph_name)
query = """MATCH (p) WHERE ID(p) = 0 OR ID(p) = 3 OR ID(p) = 7 OR ID(p) = 9 DELETE p"""
actual_result = graph.query(query)
self.env.assertEquals(actual_result.nodes_deleted, 4)
query = """MATCH (p)-[]->(q) RETURN p.val, q.val ORDER BY p.val, q.val"""
first_result = graph.query(query)
# Save RDB & Load from RDB
self.env.dumpAndReload()
second_result = graph.query(query)
self.env.assertEquals(first_result.result_set,
second_result.result_set)
# Strings, numerics, booleans, array, and point properties should be properly serialized and reloaded
def test03_restore_properties(self):
graph_names = ("simple_props", "{tag}_simple_props")
for graph_name in graph_names:
graph = Graph(graph_name, redis_con)
query = """CREATE (:p {strval: 'str', numval: 5.5, boolval: true, array: [1,2,3], pointval: point({latitude: 5.5, longitude: 6})})"""
result = graph.query(query)
# Verify that node was created correctly
self.env.assertEquals(result.nodes_created, 1)
self.env.assertEquals(result.properties_set, 5)
# Save RDB & Load from RDB
self.env.dumpAndReload()
query = """MATCH (p) RETURN p.boolval, p.numval, p.strval, p.array, p.pointval"""
actual_result = graph.query(query)
# Verify that the properties are loaded correctly.
expected_result = [[
True, 5.5, 'str', [1, 2, 3], {
"latitude": 5.5,
"longitude": 6.0
}
]]
self.env.assertEquals(actual_result.result_set, expected_result)
# Verify multiple edges of the same relation between nodes A and B
# are saved and restored correctly.
def test04_repeated_edges(self):
graph_names = ["repeated_edges", "{tag}_repeated_edges"]
for graph_name in graph_names:
graph = Graph(graph_name, redis_con)
src = Node(label='p', properties={'name': 'src'})
dest = Node(label='p', properties={'name': 'dest'})
edge1 = Edge(src, 'e', dest, properties={'val': 1})
edge2 = Edge(src, 'e', dest, properties={'val': 2})
graph.add_node(src)
graph.add_node(dest)
graph.add_edge(edge1)
graph.add_edge(edge2)
graph.flush()
# Verify the new edge
q = """MATCH (a)-[e]->(b) RETURN e.val, a.name, b.name ORDER BY e.val"""
actual_result = graph.query(q)
expected_result = [[
edge1.properties['val'], src.properties['name'],
dest.properties['name']
],
[
edge2.properties['val'],
src.properties['name'],
dest.properties['name']
]]
self.env.assertEquals(actual_result.result_set, expected_result)
# Save RDB & Load from RDB
self.env.dumpAndReload()
# Verify that the latest edge was properly saved and loaded
actual_result = graph.query(q)
self.env.assertEquals(actual_result.result_set, expected_result)
# Verify that graphs larger than the
# default capacity are persisted correctly.
def test05_load_large_graph(self):
graph_name = "LARGE_GRAPH"
graph = Graph(graph_name, redis_con)
q = """UNWIND range(1, 50000) AS v CREATE (:L)-[:R {v: v}]->(:L)"""
actual_result = graph.query(q)
self.env.assertEquals(actual_result.nodes_created, 100_000)
self.env.assertEquals(actual_result.relationships_created, 50_000)
# Save RDB & Load from RDB
self.env.dumpAndReload()
expected_result = [[50000]]
queries = [
"""MATCH (:L)-[r {v: 50000}]->(:L) RETURN r.v""",
"""MATCH (:L)-[r:R {v: 50000}]->(:L) RETURN r.v""",
"""MATCH ()-[r:R {v: 50000}]->() RETURN r.v"""
]
for q in queries:
actual_result = graph.query(q)
self.env.assertEquals(actual_result.result_set, expected_result)
# Verify that graphs created using the GRAPH.BULK endpoint are persisted correctly
def test06_bulk_insert(self):
graphname = "bulk_inserted_graph"
runner = CliRunner()
csv_path = os.path.dirname(os.path.abspath(
__file__)) + '/../../demo/social/resources/bulk_formatted/'
res = runner.invoke(bulk_insert, [
'--nodes', csv_path + 'Person.csv', '--nodes',
csv_path + 'Country.csv', '--relations', csv_path + 'KNOWS.csv',
'--relations', csv_path + 'VISITED.csv', graphname
])
# The script should report 27 node creations and 56 edge creations
self.env.assertEquals(res.exit_code, 0)
self.env.assertIn('27 nodes created', res.output)
self.env.assertIn('56 relations created', res.output)
# Restart the server
self.env.dumpAndReload()
graph = Graph(graphname, redis_con)
query_result = graph.query("""MATCH (p:Person)
RETURN p.name, p.age, p.gender, p.status, ID(p)
ORDER BY p.name""")
# Verify that the Person label exists, has the correct attributes
# and is properly populated
expected_result = [['Ailon Velger', 32, 'male', 'married', 2],
['Alon Fital', 32, 'male', 'married', 1],
['Boaz Arad', 31, 'male', 'married', 4],
['Gal Derriere', 26, 'male', 'single', 11],
['Jane Chernomorin', 31, 'female', 'married', 8],
['Lucy Yanfital', 30, 'female', 'married', 7],
['Mor Yesharim', 31, 'female', 'married', 12],
['Noam Nativ', 34, 'male', 'single', 13],
['Omri Traub', 33, 'male', 'single', 5],
['Ori Laslo', 32, 'male', 'married', 3],
['Roi Lipman', 32, 'male', 'married', 0],
['Shelly Laslo Rooz', 31, 'female', 'married', 9],
['Tal Doron', 32, 'male', 'single', 6],
[
'Valerie Abigail Arad', 31, 'female', 'married',
10
]]
self.env.assertEquals(query_result.result_set, expected_result)
# Verify that the Country label exists, has the correct attributes, and is properly populated
query_result = graph.query(
'MATCH (c:Country) RETURN c.name, ID(c) ORDER BY c.name')
expected_result = [['Andora', 21], ['Canada', 18], ['China', 19],
['Germany', 24], ['Greece', 17], ['Italy', 25],
['Japan', 16], ['Kazakhstan', 22],
['Netherlands', 20], ['Prague', 15], ['Russia', 23],
['Thailand', 26], ['USA', 14]]
self.env.assertEquals(query_result.result_set, expected_result)
# Validate that the expected relations and properties have been constructed
query_result = graph.query(
'MATCH (a)-[e:KNOWS]->(b) RETURN a.name, e.relation, b.name ORDER BY e.relation, a.name, b.name'
)
expected_result = [['Ailon Velger', 'friend', 'Noam Nativ'],
['Alon Fital', 'friend', 'Gal Derriere'],
['Alon Fital', 'friend', 'Mor Yesharim'],
['Boaz Arad', 'friend', 'Valerie Abigail Arad'],
['Roi Lipman', 'friend', 'Ailon Velger'],
['Roi Lipman', 'friend', 'Alon Fital'],
['Roi Lipman', 'friend', 'Boaz Arad'],
['Roi Lipman', 'friend', 'Omri Traub'],
['Roi Lipman', 'friend', 'Ori Laslo'],
['Roi Lipman', 'friend', 'Tal Doron'],
['Ailon Velger', 'married', 'Jane Chernomorin'],
['Alon Fital', 'married', 'Lucy Yanfital'],
['Ori Laslo', 'married', 'Shelly Laslo Rooz']]
self.env.assertEquals(query_result.result_set, expected_result)
query_result = graph.query(
'MATCH (a)-[e:VISITED]->(b) RETURN a.name, e.purpose, b.name ORDER BY e.purpose, a.name, b.name'
)
expected_result = [['Alon Fital', 'business', 'Prague'],
['Alon Fital', 'business', 'USA'],
['Boaz Arad', 'business', 'Netherlands'],
['Boaz Arad', 'business', 'USA'],
['Gal Derriere', 'business', 'Netherlands'],
['Jane Chernomorin', 'business', 'USA'],
['Lucy Yanfital', 'business', 'USA'],
['Mor Yesharim', 'business', 'Germany'],
['Ori Laslo', 'business', 'China'],
['Ori Laslo', 'business', 'USA'],
['Roi Lipman', 'business', 'Prague'],
['Roi Lipman', 'business', 'USA'],
['Tal Doron', 'business', 'Japan'],
['Tal Doron', 'business', 'USA'],
['Alon Fital', 'pleasure', 'Greece'],
['Alon Fital', 'pleasure', 'Prague'],
['Alon Fital', 'pleasure', 'USA'],
['Boaz Arad', 'pleasure', 'Netherlands'],
['Boaz Arad', 'pleasure', 'USA'],
['Jane Chernomorin', 'pleasure', 'Greece'],
['Jane Chernomorin', 'pleasure', 'Netherlands'],
['Jane Chernomorin', 'pleasure', 'USA'],
['Lucy Yanfital', 'pleasure', 'Kazakhstan'],
['Lucy Yanfital', 'pleasure', 'Prague'],
['Lucy Yanfital', 'pleasure', 'USA'],
['Mor Yesharim', 'pleasure', 'Greece'],
['Mor Yesharim', 'pleasure', 'Italy'],
['Noam Nativ', 'pleasure', 'Germany'],
['Noam Nativ', 'pleasure', 'Netherlands'],
['Noam Nativ', 'pleasure', 'Thailand'],
['Omri Traub', 'pleasure', 'Andora'],
['Omri Traub', 'pleasure', 'Greece'],
['Omri Traub', 'pleasure', 'USA'],
['Ori Laslo', 'pleasure', 'Canada'],
['Roi Lipman', 'pleasure', 'Japan'],
['Roi Lipman', 'pleasure', 'Prague'],
['Shelly Laslo Rooz', 'pleasure', 'Canada'],
['Shelly Laslo Rooz', 'pleasure', 'China'],
['Shelly Laslo Rooz', 'pleasure', 'USA'],
['Tal Doron', 'pleasure', 'Andora'],
['Tal Doron', 'pleasure', 'USA'],
['Valerie Abigail Arad', 'pleasure', 'Netherlands'],
['Valerie Abigail Arad', 'pleasure', 'Russia']]
self.env.assertEquals(query_result.result_set, expected_result)
# Verify that nodes with multiple labels are saved and restored correctly.
def test07_persist_multiple_labels(self):
graph_id = "multiple_labels"
g = Graph(graph_id, redis_con)
q = "CREATE (a:L0:L1:L2)"
actual_result = g.query(q)
self.env.assertEquals(actual_result.nodes_created, 1)
self.env.assertEquals(actual_result.labels_added, 3)
# Verify the new node
q = "MATCH (a) RETURN LABELS(a)"
actual_result = g.query(q)
expected_result = [[["L0", "L1", "L2"]]]
self.env.assertEquals(actual_result.result_set, expected_result)
# Save RDB & Load from RDB
self.env.dumpAndReload()
# Verify that the graph was properly saved and loaded
actual_result = g.query(q)
self.env.assertEquals(actual_result.result_set, expected_result)
queries = [
"MATCH (a:L0) RETURN count(a)", "MATCH (a:L1) RETURN count(a)",
"MATCH (a:L2) RETURN count(a)", "MATCH (a:L0:L0) RETURN count(a)",
"MATCH (a:L0:L1) RETURN count(a)",
"MATCH (a:L0:L2) RETURN count(a)",
"MATCH (a:L1:L0) RETURN count(a)",
"MATCH (a:L1:L1) RETURN count(a)",
"MATCH (a:L1:L2) RETURN count(a)",
"MATCH (a:L2:L0) RETURN count(a)",
"MATCH (a:L2:L1) RETURN count(a)",
"MATCH (a:L2:L2) RETURN count(a)",
"MATCH (a:L0:L1:L2) RETURN count(a)"
]
for q in queries:
actual_result = g.query(q)
self.env.assertEquals(actual_result.result_set[0], [1])
class testOptimizationsPlan(FlowTestsBase):
def __init__(self):
self.env = Env()
global graph
global redis_con
redis_con = self.env.getConnection()
graph = Graph("g", redis_con)
self.populate_graph()
def populate_graph(self):
global graph
nodes = {}
# Create entities
for idx, p in enumerate(people):
node = Node(label="person", properties={"name": p, "val": idx})
graph.add_node(node)
nodes[p] = node
# Fully connected graph
for src in nodes:
for dest in nodes:
if src != dest:
edge = Edge(nodes[src], "know", nodes[dest])
graph.add_edge(edge)
for src in nodes:
for dest in nodes:
if src != dest:
edge = Edge(nodes[src], "works_with", nodes[dest])
graph.add_edge(edge)
graph.commit()
query = """MATCH (a)-[:know]->(b) CREATE (a)-[:know]->(b)"""
graph.query(query)
def test01_typeless_edge_count(self):
query = """MATCH ()-[r]->() RETURN COUNT(r)"""
resultset = graph.query(query).result_set
executionPlan = graph.execution_plan(query)
self.env.assertIn("Project", executionPlan)
self.env.assertIn("Results", executionPlan)
self.env.assertNotIn("All Node Scan", executionPlan)
self.env.assertNotIn("Conditional Traverse", executionPlan)
self.env.assertNotIn("Aggregate", executionPlan)
expected = [[36]]
self.env.assertEqual(resultset, expected)
def test02_typed_edge_count(self):
query = """MATCH ()-[r:know]->() RETURN COUNT(r)"""
resultset = graph.query(query).result_set
executionPlan = graph.execution_plan(query)
self.env.assertIn("Project", executionPlan)
self.env.assertIn("Results", executionPlan)
self.env.assertNotIn("All Node Scan", executionPlan)
self.env.assertNotIn("Conditional Traverse", executionPlan)
self.env.assertNotIn("Aggregate", executionPlan)
expected = [[24]]
self.env.assertEqual(resultset, expected)
def test03_unknown_typed_edge_count(self):
query = """MATCH ()-[r:unknown]->() RETURN COUNT(r)"""
resultset = graph.query(query).result_set
executionPlan = graph.execution_plan(query)
self.env.assertIn("Project", executionPlan)
self.env.assertIn("Results", executionPlan)
self.env.assertNotIn("All Node Scan", executionPlan)
self.env.assertNotIn("Conditional Traverse", executionPlan)
self.env.assertNotIn("Aggregate", executionPlan)
expected = [[0]]
self.env.assertEqual(resultset, expected)
def test04_typeless_edge_count_with_alias(self):
query = """MATCH ()-[r]->() RETURN COUNT(r) as c"""
resultset = graph.query(query).result_set
executionPlan = graph.execution_plan(query)
self.env.assertIn("Project", executionPlan)
self.env.assertIn("Results", executionPlan)
self.env.assertNotIn("All Node Scan", executionPlan)
self.env.assertNotIn("Conditional Traverse", executionPlan)
self.env.assertNotIn("Aggregate", executionPlan)
expected = [[36]]
self.env.assertEqual(resultset, expected)
def test05_typed_edge_count_with_alias(self):
query = """MATCH ()-[r:know]->() RETURN COUNT(r) as c"""
resultset = graph.query(query).result_set
executionPlan = graph.execution_plan(query)
self.env.assertIn("Project", executionPlan)
self.env.assertIn("Results", executionPlan)
self.env.assertNotIn("All Node Scan", executionPlan)
self.env.assertNotIn("Conditional Traverse", executionPlan)
self.env.assertNotIn("Aggregate", executionPlan)
expected = [[24]]
self.env.assertEqual(resultset, expected)
def test06_multiple_typed_edge_count_with_alias(self):
query = """MATCH ()-[r:know | :works_with]->() RETURN COUNT(r) as c"""
resultset = graph.query(query).result_set
executionPlan = graph.execution_plan(query)
self.env.assertIn("Project", executionPlan)
self.env.assertIn("Results", executionPlan)
self.env.assertNotIn("All Node Scan", executionPlan)
self.env.assertNotIn("Conditional Traverse", executionPlan)
self.env.assertNotIn("Aggregate", executionPlan)
expected = [[36]]
self.env.assertEqual(resultset, expected)
def test07_count_unreferenced_edge(self):
query = """MATCH ()-[:know]->(b) RETURN COUNT(b)"""
# This count in this query cannot be reduced, as the traversal op doesn't store
# data about non-referenced edges.
resultset = graph.query(query).result_set
executionPlan = graph.execution_plan(query)
# Verify that the optimization was not applied.
self.env.assertNotIn("Project", executionPlan)
self.env.assertIn("Aggregate", executionPlan)
self.env.assertIn("All Node Scan", executionPlan)
self.env.assertIn("Conditional Traverse", executionPlan)
expected = [[12]]
self.env.assertEqual(resultset, expected)
def test08_non_labeled_node_count(self):
query = """MATCH (n) RETURN COUNT(n)"""
resultset = graph.query(query).result_set
executionPlan = graph.execution_plan(query)
self.env.assertIn("Project", executionPlan)
self.env.assertIn("Results", executionPlan)
self.env.assertNotIn("All Node Scan", executionPlan)
self.env.assertNotIn("Node By Label Scan", executionPlan)
self.env.assertNotIn("Aggregate", executionPlan)
expected = [[4]]
self.env.assertEqual(resultset, expected)
def test09_non_labeled_node_count_with_alias(self):
query = """MATCH (n) RETURN COUNT(n) as c"""
resultset = graph.query(query).result_set
executionPlan = graph.execution_plan(query)
self.env.assertIn("Project", executionPlan)
self.env.assertIn("Results", executionPlan)
self.env.assertNotIn("All Node Scan", executionPlan)
self.env.assertNotIn("Node By Label Scan", executionPlan)
self.env.assertNotIn("Aggregate", executionPlan)
expected = [[4]]
self.env.assertEqual(resultset, expected)
def test10_labled_node_count(self):
query = """MATCH (n:person) RETURN COUNT(n)"""
resultset = graph.query(query).result_set
executionPlan = graph.execution_plan(query)
self.env.assertIn("Project", executionPlan)
self.env.assertIn("Results", executionPlan)
self.env.assertNotIn("All Node Scan", executionPlan)
self.env.assertNotIn("Node By Label Scan", executionPlan)
self.env.assertNotIn("Aggregate", executionPlan)
expected = [[4]]
self.env.assertEqual(resultset, expected)
def test11_value_hash_join(self):
# Issue a query that joins two streams on a node property.
query = """MATCH (p1:person)-[:know]->({name: 'Roi'}), (p2)-[]->(:person {name: 'Alon'}) WHERE p1.name = p2.name RETURN p2.name ORDER BY p2.name"""
executionPlan = graph.execution_plan(query)
self.env.assertIn("Value Hash Join", executionPlan)
self.env.assertNotIn("Cartesian Product", executionPlan)
resultset = graph.query(query).result_set
expected = [['Ailon'], ['Boaz']]
self.env.assertEqual(resultset, expected)
# Issue a query that joins two streams on a function call.
query = """MATCH (p1:person)-[:know]->({name: 'Roi'}) MATCH (p2)-[]->(:person {name: 'Alon'}) WHERE ID(p1) = ID(p2) RETURN p2.name ORDER BY p2.name"""
executionPlan = graph.execution_plan(query)
self.env.assertIn("Value Hash Join", executionPlan)
self.env.assertNotIn("Cartesian Product", executionPlan)
resultset = graph.query(query).result_set
self.env.assertEqual(resultset, expected) # same results expected
# Validate identical results in a query that doesn't leverage this optimization.
# TODO this query could in the future be optimized with a "Node Hash Join"
query = """MATCH (p1:person)-[:know]->({name: 'Roi'}) MATCH (p2)-[]->(:person {name: 'Alon'}) WHERE p1 = p2 RETURN p2.name ORDER BY p2.name"""
executionPlan = graph.execution_plan(query)
self.env.assertNotIn("Value Hash Join", executionPlan)
self.env.assertIn("Cartesian Product", executionPlan)
resultset = graph.query(query).result_set
self.env.assertEqual(resultset, expected) # same results expected
def test12_multiple_stream_value_hash_join(self):
# Issue a query that joins three streams.
query = """MATCH (p1:person)-[:know]->({name: 'Roi'}), (p2)-[]->(:person {name: 'Alon'}), (p3) WHERE p1.name = p2.name AND ID(p2) = ID(p3) RETURN p2.name ORDER BY p2.name"""
executionPlan = graph.execution_plan(query)
self.env.assertIn("Value Hash Join", executionPlan)
self.env.assertNotIn("Cartesian Product", executionPlan)
resultset = graph.query(query).result_set
expected = [['Ailon'], ['Boaz']]
self.env.assertEqual(resultset, expected)
# Issue a query that joins four streams that all resolve the same entity.
query = """MATCH (p1 {name: 'Ailon'}), (p2), (p3), (p4) WHERE ID(p1) = ID(p2) AND ID(p2) = ID(p3) AND p3.name = p4.name RETURN p4.name"""
executionPlan = graph.execution_plan(query)
self.env.assertIn("Value Hash Join", executionPlan)
self.env.assertNotIn("Cartesian Product", executionPlan)
expected = [['Ailon']]
resultset = graph.query(query).result_set
self.env.assertEqual(resultset, expected)
# Issue a query that joins four streams that all resolve the same entity, with multiple reapeating filter (issue #869).
query = """MATCH (p1 {name: 'Ailon'}), (p2), (p3), (p4) WHERE ID(p1) = ID(p2) AND ID(p2) = ID(p3) AND ID(p3)=ID(p2) AND ID(p2)= ID(p1) AND p3.name = p4.name AND p4.name = p3.name RETURN p4.name"""
executionPlan = graph.execution_plan(query)
self.env.assertIn("Value Hash Join", executionPlan)
self.env.assertNotIn("Cartesian Product", executionPlan)
expected = [['Ailon']]
resultset = graph.query(query).result_set
self.env.assertEqual(resultset, expected)
def test13_duplicate_filter_placement(self):
# Issue a query that joins three streams and contains a redundant filter.
query = """MATCH (p0), (p1), (p2) where id(p2) = id(p0) AND id(p1) = id(p2) AND id(p1) = id(p2) return p2.name ORDER BY p2.name"""
executionPlan = graph.execution_plan(query)
self.env.assertIn("Value Hash Join", executionPlan)
self.env.assertNotIn("Cartesian Product", executionPlan)
resultset = graph.query(query).result_set
expected = [['Ailon'], ['Alon'], ['Boaz'], ['Roi']]
self.env.assertEqual(resultset, expected)
def test14_distinct_aggregations(self):
# Verify that the Distinct operation is removed from the aggregating query.
query = """MATCH (src:person)-[:know]->(dest) RETURN DISTINCT src.name, COUNT(dest) ORDER BY src.name"""
executionPlan = graph.execution_plan(query)
self.env.assertIn("Aggregate", executionPlan)
self.env.assertNotIn("Distinct", executionPlan)
resultset = graph.query(query).result_set
expected = [['Ailon', 3],
['Alon', 3],
['Boaz', 3],
['Roi', 3]]
self.env.assertEqual(resultset, expected)
# Verify that the Distinct operation is not removed from a valid projection.
query = """MATCH (src:person) WITH DISTINCT src MATCH (src)-[:know]->(dest) RETURN src.name, COUNT(dest) ORDER BY src.name"""
executionPlan = graph.execution_plan(query)
self.env.assertIn("Aggregate", executionPlan)
self.env.assertIn("Distinct", executionPlan)
resultset = graph.query(query).result_set
# This query should emit the same result.
self.env.assertEqual(resultset, expected)
def test15_test_splitting_cartesian_product(self):
query = """MATCH (p1), (p2), (p3) WHERE p1.name <> p2.name AND p2.name <> p3.name RETURN DISTINCT p2.name ORDER BY p2.name"""
executionPlan = graph.execution_plan(query)
self.env.assertEqual(2, executionPlan.count("Cartesian Product"))
expected = [['Ailon'],
['Alon'],
['Boaz'],
['Roi']]
resultset = graph.query(query).result_set
self.env.assertEqual(resultset, expected)
def test16_test_splitting_cartesian_product_with_multiple_filters(self):
query = """MATCH (p1), (p2), (p3) WHERE p1.name <> p2.name AND ID(p1) <> ID(p2) RETURN DISTINCT p2.name ORDER BY p2.name"""
executionPlan = graph.execution_plan(query)
self.env.assertEqual(2, executionPlan.count("Cartesian Product"))
expected = [['Ailon'],
['Alon'],
['Boaz'],
['Roi']]
resultset = graph.query(query).result_set
self.env.assertEqual(resultset, expected)
def test17_test_multiple_branch_filter_cp_optimization(self):
query = """MATCH (p1), (p2), (p3), (p4) WHERE p1.val + p2.val = p3.val AND p3.val > 0 RETURN DISTINCT p3.name ORDER BY p3.name"""
executionPlan = graph.execution_plan(query)
self.env.assertEqual(2, executionPlan.count("Cartesian Product"))
expected = [['Ailon'],
['Alon'],
['Boaz']]
resultset = graph.query(query).result_set
self.env.assertEqual(resultset, expected)
def test18_test_semi_apply_and_cp_optimize(self):
graph.query ("CREATE ({val:0}), ({val:1})-[:R]->({val:2})-[:R]->({val:3})")
# The next query generates the execution plan:
# 1) "Results"
# 2) " Sort"
# 3) " Distinct"
# 4) " Project"
# 5) " Semi Apply"
# 6) " Cartesian Product"
# 7) " All Node Scan | (n4)"
# 8) " Filter"
# 9) " Cartesian Product"
# 10) " All Node Scan | (n1)"
# 11) " Filter"
# 12) " All Node Scan | (n3)"
# 13) " All Node Scan | (n2)"
# 14) " Expand Into | (n3)->(n4)"
# 15) " Filter"
# 16) " Argument"
# We want to make sure the optimization is not misplacing the semi apply bounded branch.
resultset = graph.query("MATCH (n1), (n2), (n3), (n4) WHERE (n3)-[:R]->(n4 {val:n3.val+1}) AND n1.val + n2.val = n3.val AND n3.val > 1 RETURN DISTINCT n3.val ORDER BY n3.val").result_set
expected = [[2]]
self.env.assertEqual(resultset, expected)
def test19_test_filter_compaction_remove_true_filter(self):
query = "MATCH (n) WHERE 1 = 1 RETURN n"
executionPlan = graph.execution_plan(query)
self.env.assertNotIn("Filter", executionPlan)
def test20_test_filter_compaction_not_removing_false_filter(self):
query = "MATCH (n) WHERE 1 > 1 RETURN n"
executionPlan = graph.execution_plan(query)
self.env.assertIn("Filter", executionPlan)
resultset = graph.query(query).result_set
expected = []
self.env.assertEqual(resultset, expected)
# ExpandInto should be applied where possible on projected graph entities.
def test21_expand_into_projected_endpoints(self):
query = """MATCH (a)-[]->(b) WITH a, b MATCH (a)-[e]->(b) RETURN a.val, b.val ORDER BY a.val, b.val LIMIT 3"""
executionPlan = graph.execution_plan(query)
self.env.assertIn("Expand Into", executionPlan)
resultset = graph.query(query).result_set
expected = [[0, 1],
[0, 2],
[0, 3]]
self.env.assertEqual(resultset, expected)
# Variables bound in one scope should not be used to introduce ExpandInto ops in later scopes.
def test22_no_expand_into_across_scopes(self):
query = """MATCH (reused_1)-[]->(reused_2) WITH COUNT(reused_2) as edge_count MATCH (reused_1)-[]->(reused_2) RETURN edge_count, reused_1.val, reused_2.val ORDER BY reused_1.val, reused_2.val LIMIT 3"""
executionPlan = graph.execution_plan(query)
self.env.assertNotIn("Expand Into", executionPlan)
resultset = graph.query(query).result_set
expected = [[14, 0, 1],
[14, 0, 2],
[14, 0, 3]]
self.env.assertEqual(resultset, expected)
# Test limit propagation, execution-plan operations such as
# conditional traverse accumulate a batch of records before processing
# knowladge about limit can benifit such operation as they can reduce
# their batch size to match the current limit.
def test23_limit_propagation(self):
graph_id = "limit-propagation"
graph = Graph(graph_id, redis_con)
# create graph
query = """UNWIND range(0, 64) AS x CREATE ()-[:R]->()-[:R]->()"""
graph.query(query)
# query with LIMIT 1
query = """CYPHER l=1 MATCH (a)-[]->(b) WITH b AS b
MATCH (b)-[]->(c) RETURN c LIMIT $l"""
# profile query
profile = redis_con.execute_command("GRAPH.PROFILE", graph_id, query)
profile = [x[0:x.index(',')].strip() for x in profile]
# make sure 'a' to 'b' traversal operation is aware of limit
self.env.assertIn("Conditional Traverse | (a)->(b) | Records produced: 1", profile)
# query with LIMIT 1
query = """CYPHER l=1 MATCH (a), (b) WITH a AS a, b AS b
MATCH (a)-[]->(b) WITH b AS b MATCH (b)-[]->(c) RETURN c LIMIT $l"""
# profile query
profile = redis_con.execute_command("GRAPH.PROFILE", graph_id, query)
profile = [x[0:x.index(',')].strip() for x in profile]
# make sure 'a' to 'b' expand into traversal operation is aware of limit
self.env.assertIn("Expand Into | (a)->(b) | Records produced: 1", profile)
# aggregation should reset limit, otherwise we'll take a performance hit
# recall aggregation operations are eager
query = """CYPHER l=1 MATCH (a)-[]->(b) WITH count(a) AS src, b AS b
MATCH (b)-[]->(c) RETURN c LIMIT $l"""
# profile query
profile = redis_con.execute_command("GRAPH.PROFILE", graph_id, query)
profile = [x[0:x.index(',')].strip() for x in profile]
# traversal from a to b shouldn't be effected by the limit.
self.env.assertNotIn("Conditional Traverse | (a)->(b) | Records produced: 64", profile)
class testParams(FlowTestsBase):
def __init__(self):
self.env = Env(decodeResponses=True)
global redis_graph
redis_con = self.env.getConnection()
redis_graph = Graph(GRAPH_ID, redis_con)
def setUp(self):
self.env.flush()
def test_simple_params(self):
params = [1, 2.3, -1, -2.3, "str", True, False, None, [0, 1, 2]]
query = "RETURN $param"
for param in params:
expected_results = [[param]]
query_info = QueryInfo(query=query,
description="Tests simple params",
expected_result=expected_results)
self._assert_resultset_equals_expected(
redis_graph.query(query, {'param': param}), query_info)
def test_invalid_param(self):
invalid_queries = [
"CYPHER param=a RETURN $param", # 'a' is undefined
"CYPHER param=a MATCH (a) RETURN $param", # 'a' is undefined
"CYPHER param=f(1) RETURN $param", # 'f' doesn't exists
"CYPHER param=2+f(1) RETURN $param", # 'f' doesn't exists
"CYPHER param=[1, f(1)] UNWIND $param AS x RETURN x", # 'f' doesn't exists
"CYPHER param=[1, [2, f(1)]] UNWIND $param AS x RETURN x", # 'f' doesn't exists
"CYPHER param={'key':f(1)} RETURN $param", # 'f' doesn't exists
"CYPHER param=1*'a' RETURN $param", # 1*'a' isn't defined
"CYPHER param=abs(1)+f(1) RETURN $param", # 'f' doesn't exists
"CYPHER param= RETURN 1", # undefined parameter
"CYPHER param=count(1) RETURN $param" # aggregation function can't be used as a parameter
"CYPHER param=2+count(1) RETURN $param", # aggregation function can't be used as a parameter
"CYPHER param=[1, count(1)] UNWIND $param AS x RETURN x", # aggregation function can't be used as a parameter
"CYPHER param={'key':count(1)} RETURN $param", # aggregation function can't be used as a parameter
"CYPHER param={'key':1*'a'} RETURN $param", # 1*'a' isn't defined
"CYPHER param=[1, 1*'a'] UNWIND $param AS x RETURN x", # 1*'a' isn't defined
"CYPHER param={'key':a} RETURN $param", # 'a' isn't defined
"CYPHER param=[1, a] UNWIND $param AS x RETURN x", # 'a' isn't defined
"CYPHER param0=1 param1=$param0 RETURN $param1" # paramers shouldn't refer to one another
]
for q in invalid_queries:
try:
result = redis_graph.query(q)
assert (False)
except redis.exceptions.ResponseError as e:
pass
def test_expression_on_param(self):
params = {'param': 1}
query = "RETURN $param + 1"
expected_results = [[2]]
query_info = QueryInfo(query=query,
description="Tests expression on param",
expected_result=expected_results)
self._assert_resultset_equals_expected(
redis_graph.query(query, params), query_info)
def test_node_retrival(self):
p0 = Node(node_id=0, label="Person", properties={'name': 'a'})
p1 = Node(node_id=1, label="Person", properties={'name': 'b'})
p2 = Node(node_id=2, label="NoPerson", properties={'name': 'a'})
redis_graph.add_node(p0)
redis_graph.add_node(p1)
redis_graph.add_node(p2)
redis_graph.flush()
params = {'name': 'a'}
query = "MATCH (n :Person {name:$name}) RETURN n"
expected_results = [[p0]]
query_info = QueryInfo(query=query,
description="Tests expression on param",
expected_result=expected_results)
self._assert_resultset_equals_expected(
redis_graph.query(query, params), query_info)
def test_parameterized_skip_limit(self):
params = {'skip': 1, 'limit': 1}
query = "UNWIND [1,2,3] AS X RETURN X SKIP $skip LIMIT $limit"
expected_results = [[2]]
query_info = QueryInfo(query=query,
description="Tests skip limit as params",
expected_result=expected_results)
self._assert_resultset_equals_expected(
redis_graph.query(query, params), query_info)
# Set one parameter to non-integer value
params = {'skip': '1', 'limit': 1}
try:
redis_graph.query(query, params)
assert (False)
except redis.exceptions.ResponseError as e:
pass
def test_missing_parameter(self):
# Make sure missing parameters are reported back as an error.
query = "RETURN $missing"
try:
redis_graph.query(query)
assert (False)
except:
# Expecting an error.
pass
try:
redis_graph.profile(query)
assert (False)
except:
# Expecting an error.
pass
try:
redis_graph.execution_plan(query)
assert (False)
except:
# Expecting an error.
pass
query = "MATCH (a) WHERE a.v = $missing RETURN a"
try:
redis_graph.query(query)
assert (False)
except:
# Expecting an error.
pass
query = "MATCH (a) SET a.v = $missing RETURN a"
try:
redis_graph.query(query)
assert (False)
except:
# Expecting an error.
pass
def test_id_scan(self):
redis_graph.query("CREATE ({val:1})")
expected_results = [[1]]
params = {'id': 0}
query = "MATCH (n) WHERE id(n)=$id return n.val"
query_info = QueryInfo(query=query,
description="Test id scan with params",
expected_result=expected_results)
self._assert_resultset_equals_expected(
redis_graph.query(query, params), query_info)
plan = redis_graph.execution_plan(query, params=params)
self.env.assertIn('NodeByIdSeek', plan)
class testIndexScanFlow(FlowTestsBase):
def __init__(self):
self.env = Env(decodeResponses=True)
def setUp(self):
global redis_graph
redis_con = self.env.getConnection()
redis_graph = Graph(social_utils.graph_name, redis_con)
social_utils.populate_graph(redis_con, redis_graph)
self.build_indices()
def tearDown(self):
self.env.cmd('flushall')
def build_indices(self):
global redis_graph
redis_graph.redis_con.execute_command("GRAPH.QUERY", "social",
"CREATE INDEX ON :person(age)")
redis_graph.redis_con.execute_command(
"GRAPH.QUERY", "social", "CREATE INDEX ON :country(name)")
# Validate that Cartesian products using index and label scans succeed
def test01_cartesian_product_mixed_scans(self):
query = "MATCH (p:person), (c:country) WHERE p.age > 0 RETURN p.age, c.name ORDER BY p.age, c.name"
plan = redis_graph.execution_plan(query)
self.env.assertIn('Index Scan', plan)
self.env.assertIn('Label Scan', plan)
indexed_result = redis_graph.query(query)
query = "MATCH (p:person), (c:country) RETURN p.age, c.name ORDER BY p.age, c.name"
plan = redis_graph.execution_plan(query)
self.env.assertNotIn('Index Scan', plan)
self.env.assertIn('Label Scan', plan)
unindexed_result = redis_graph.query(query)
self.env.assertEquals(indexed_result.result_set,
unindexed_result.result_set)
# Validate that Cartesian products using just index scans succeed
def test02_cartesian_product_index_scans_only(self):
query = "MATCH (p:person), (c:country) WHERE p.age > 0 AND c.name > '' RETURN p.age, c.name ORDER BY p.age, c.name"
plan = redis_graph.execution_plan(query)
# The two streams should both use index scans
self.env.assertEquals(plan.count('Index Scan'), 2)
self.env.assertNotIn('Label Scan', plan)
indexed_result = redis_graph.query(query)
query = "MATCH (p:person), (c:country) RETURN p.age, c.name ORDER BY p.age, c.name"
plan = redis_graph.execution_plan(query)
self.env.assertNotIn('Index Scan', plan)
self.env.assertIn('Label Scan', plan)
unindexed_result = redis_graph.query(query)
self.env.assertEquals(indexed_result.result_set,
unindexed_result.result_set)
# Validate that the appropriate bounds are respected when a Cartesian product uses the same index in two streams
def test03_cartesian_product_reused_index(self):
redis_graph.redis_con.execute_command("GRAPH.QUERY", "social",
"CREATE INDEX ON :person(name)")
query = "MATCH (a:person {name: 'Omri Traub'}), (b:person) WHERE b.age <= 30 RETURN a.name, b.name ORDER BY a.name, b.name"
plan = redis_graph.execution_plan(query)
# The two streams should both use index scans
self.env.assertEquals(plan.count('Index Scan'), 2)
self.env.assertNotIn('Label Scan', plan)
expected_result = [['Omri Traub', 'Gal Derriere'],
['Omri Traub', 'Lucy Yanfital']]
result = redis_graph.query(query)
self.env.assertEquals(result.result_set, expected_result)
# Validate index utilization when filtering on a numeric field with the `IN` keyword.
def test04_test_in_operator_numerics(self):
# Validate the transformation of IN to multiple OR expressions.
query = "MATCH (p:person) WHERE p.age IN [1,2,3] RETURN p"
plan = redis_graph.execution_plan(query)
self.env.assertIn('Index Scan', plan)
# Validate that nested arrays are not scanned in index.
query = "MATCH (p:person) WHERE p.age IN [[1,2],3] RETURN p"
plan = redis_graph.execution_plan(query)
self.env.assertNotIn('Index Scan', plan)
self.env.assertIn('Label Scan', plan)
# Validate the transformation of IN to multiple OR, over a range.
query = "MATCH (p:person) WHERE p.age IN range(0,30) RETURN p.name ORDER BY p.name"
plan = redis_graph.execution_plan(query)
self.env.assertIn('Index Scan', plan)
expected_result = [['Gal Derriere'], ['Lucy Yanfital']]
result = redis_graph.query(query)
self.env.assertEquals(result.result_set, expected_result)
# Validate the transformation of IN to empty index iterator.
query = "MATCH (p:person) WHERE p.age IN [] RETURN p.name"
plan = redis_graph.execution_plan(query)
self.env.assertIn('Index Scan', plan)
expected_result = []
result = redis_graph.query(query)
self.env.assertEquals(result.result_set, expected_result)
# Validate the transformation of IN OR IN to empty index iterators.
query = "MATCH (p:person) WHERE p.age IN [] OR p.age IN [] RETURN p.name"
plan = redis_graph.execution_plan(query)
self.env.assertIn('Index Scan', plan)
expected_result = []
result = redis_graph.query(query)
self.env.assertEquals(result.result_set, expected_result)
# Validate the transformation of multiple IN filters.
query = "MATCH (p:person) WHERE p.age IN [26, 27, 30] OR p.age IN [33, 34, 35] RETURN p.name ORDER BY p.age"
plan = redis_graph.execution_plan(query)
self.env.assertIn('Index Scan', plan)
expected_result = [['Gal Derriere'], ['Lucy Yanfital'], ['Omri Traub'],
['Noam Nativ']]
result = redis_graph.query(query)
self.env.assertEquals(result.result_set, expected_result)
# Validate the transformation of multiple IN filters.
query = "MATCH (p:person) WHERE p.age IN [26, 27, 30] OR p.age IN [33, 34, 35] OR p.age IN [] RETURN p.name ORDER BY p.age"
plan = redis_graph.execution_plan(query)
self.env.assertIn('Index Scan', plan)
expected_result = [['Gal Derriere'], ['Lucy Yanfital'], ['Omri Traub'],
['Noam Nativ']]
result = redis_graph.query(query)
self.env.assertEquals(result.result_set, expected_result)
# Validate index utilization when filtering on string fields with the `IN` keyword.
def test05_test_in_operator_string_props(self):
# Build an index on the name property.
redis_graph.redis_con.execute_command("GRAPH.QUERY", "social",
"CREATE INDEX ON :person(name)")
# Validate the transformation of IN to multiple OR expressions over string properties.
query = "MATCH (p:person) WHERE p.name IN ['Gal Derriere', 'Lucy Yanfital'] RETURN p.name ORDER BY p.name"
plan = redis_graph.execution_plan(query)
self.env.assertIn('Index Scan', plan)
self.env.assertNotIn('Label Scan', plan)
expected_result = [['Gal Derriere'], ['Lucy Yanfital']]
result = redis_graph.query(query)
self.env.assertEquals(result.result_set, expected_result)
# Combine numeric and string filters specified by IN.
query = "MATCH (p:person) WHERE p.name IN ['Gal Derriere', 'Lucy Yanfital'] AND p.age in [30] RETURN p.name ORDER BY p.name"
plan = redis_graph.execution_plan(query)
self.env.assertIn('Index Scan', plan)
self.env.assertNotIn('Label Scan', plan)
expected_result = [['Lucy Yanfital']]
result = redis_graph.query(query)
self.env.assertEquals(result.result_set, expected_result)
# Validate an empty index on IN with multiple indexes
query = "MATCH (p:person) WHERE p.name IN [] OR p.age IN [] RETURN p.name"
plan = redis_graph.execution_plan(query)
self.env.assertIn('Index Scan', plan)
expected_result = []
result = redis_graph.query(query)
self.env.assertEquals(result.result_set, expected_result)
# Combine IN filters with other relational filters.
query = "MATCH (p:person) WHERE p.name IN ['Gal Derriere', 'Lucy Yanfital'] AND p.name < 'H' RETURN p.name ORDER BY p.name"
plan = redis_graph.execution_plan(query)
self.env.assertIn('Index Scan', plan)
self.env.assertNotIn('Label Scan', plan)
expected_result = [['Gal Derriere']]
result = redis_graph.query(query)
self.env.assertEquals(result.result_set, expected_result)
query = "MATCH (p:person) WHERE p.name IN ['Gal Derriere', 'Lucy Yanfital'] OR p.age = 33 RETURN p.name ORDER BY p.name"
plan = redis_graph.execution_plan(query)
self.env.assertIn('Index Scan', plan)
self.env.assertNotIn('Label Scan', plan)
expected_result = [['Gal Derriere'], ['Lucy Yanfital'], ['Omri Traub']]
result = redis_graph.query(query)
result = redis_graph.query(query)
self.env.assertEquals(result.result_set, expected_result)
# ',' is the default separator for tag indices
# we've updated our separator to '\0' this test verifies issue 696:
# https://github.com/RedisGraph/RedisGraph/issues/696
def test06_tag_separator(self):
redis_con = self.env.getConnection()
redis_graph = Graph("G", redis_con)
# Create a single node with a long string property, introduce a comma as part of the string.
query = """CREATE (:Node{value:"A ValuePartition is a pattern that describes a restricted set of classes from which a property can be associated. The parent class is used in restrictions, and the covering axiom means that only members of the subclasses may be used as values."})"""
redis_graph.query(query)
# Index property.
query = """CREATE INDEX ON :Node(value)"""
redis_graph.query(query)
# Make sure node is returned by index scan.
query = """MATCH (a:Node{value:"A ValuePartition is a pattern that describes a restricted set of classes from which a property can be associated. The parent class is used in restrictions, and the covering axiom means that only members of the subclasses may be used as values."}) RETURN a"""
plan = redis_graph.execution_plan(query)
result_set = redis_graph.query(query).result_set
self.env.assertIn('Index Scan', plan)
self.env.assertEqual(len(result_set), 1)
def test07_index_scan_and_id(self):
redis_con = self.env.getConnection()
redis_graph = Graph("G", redis_con)
nodes = []
for i in range(10):
node = Node(node_id=i, label='person', properties={'age': i})
nodes.append(node)
redis_graph.add_node(node)
redis_graph.flush()
query = """CREATE INDEX ON :person(age)"""
query_result = redis_graph.query(query)
self.env.assertEqual(1, query_result.indices_created)
query = """MATCH (n:person) WHERE id(n)>=7 AND n.age<9 RETURN n ORDER BY n.age"""
plan = redis_graph.execution_plan(query)
query_result = redis_graph.query(query)
self.env.assertIn('Index Scan', plan)
self.env.assertIn('Filter', plan)
query_result = redis_graph.query(query)
self.env.assertEqual(2, len(query_result.result_set))
expected_result = [[nodes[7]], [nodes[8]]]
self.env.assertEquals(expected_result, query_result.result_set)
# Validate placement of index scans and filter ops when not all filters can be replaced.
def test08_index_scan_multiple_filters(self):
query = "MATCH (p:person) WHERE p.age = 30 AND NOT EXISTS(p.fakeprop) RETURN p.name"
plan = redis_graph.execution_plan(query)
self.env.assertIn('Index Scan', plan)
self.env.assertNotIn('Label Scan', plan)
self.env.assertIn('Filter', plan)
query_result = redis_graph.query(query)
expected_result = ["Lucy Yanfital"]
self.env.assertEquals(query_result.result_set[0], expected_result)
def test09_index_scan_with_params(self):
query = "MATCH (p:person) WHERE p.age = $age RETURN p.name"
params = {'age': 30}
query = redis_graph.build_params_header(params) + query
plan = redis_graph.execution_plan(query)
self.env.assertIn('Index Scan', plan)
query_result = redis_graph.query(query)
expected_result = ["Lucy Yanfital"]
self.env.assertEquals(query_result.result_set[0], expected_result)
def test10_index_scan_with_param_array(self):
query = "MATCH (p:person) WHERE p.age in $ages RETURN p.name"
params = {'ages': [30]}
query = redis_graph.build_params_header(params) + query
plan = redis_graph.execution_plan(query)
self.env.assertIn('Index Scan', plan)
query_result = redis_graph.query(query)
expected_result = ["Lucy Yanfital"]
self.env.assertEquals(query_result.result_set[0], expected_result)
def test11_single_index_multiple_scans(self):
query = "MERGE (p1:person {age: 40}) MERGE (p2:person {age: 41})"
plan = redis_graph.execution_plan(query)
# Two index scans should be performed.
self.env.assertEqual(plan.count("Index Scan"), 2)
query_result = redis_graph.query(query)
# Two new nodes should be created.
self.env.assertEquals(query_result.nodes_created, 2)
def test12_remove_scans_before_index(self):
query = "MATCH (a:person {age: 32})-[]->(b) WHERE (b:person)-[]->(a) RETURN a"
plan = redis_graph.execution_plan(query)
# One index scan should be performed.
self.env.assertEqual(plan.count("Index Scan"), 1)
def test13_point_index_scan(self):
# create index
q = "CREATE INDEX ON :restaurant(location)"
redis_graph.query(q)
# create restaurant
q = "CREATE (:restaurant {location: point({latitude:30.27822306, longitude:-97.75134723})})"
redis_graph.query(q)
# locate other restaurants within a 1000m radius
q = """MATCH (r:restaurant)
WHERE distance(r.location, point({latitude:30.27822306, longitude:-97.75134723})) < 1000
RETURN r"""
# make sure index is used
plan = redis_graph.execution_plan(q)
self.env.assertIn("Index Scan", plan)
# refine query from '<' to '<='
q = """MATCH (r:restaurant)
WHERE distance(r.location, point({latitude:30.27822306, longitude:-97.75134723})) <= 1000
RETURN r"""
# make sure index is used
plan = redis_graph.execution_plan(q)
self.env.assertIn("Index Scan", plan)
# index should NOT be used when searching for points outside of a circle
# testing operand: '>', '>=' and '='
q = """MATCH (r:restaurant)
WHERE distance(r.location, point({latitude:30.27822306, longitude:-97.75134723})) > 1000
RETURN r"""
# make sure index is NOT used
plan = redis_graph.execution_plan(q)
self.env.assertNotIn("Index Scan", plan)
q = """MATCH (r:restaurant)
WHERE distance(r.location, point({latitude:30.27822306, longitude:-97.75134723})) >= 1000
RETURN r"""
# make sure index is NOT used
plan = redis_graph.execution_plan(q)
self.env.assertNotIn("Index Scan", plan)
q = """MATCH (r:restaurant)
WHERE distance(r.location, point({latitude:30.27822306, longitude:-97.75134723})) = 1000
RETURN r"""
# make sure index is NOT used
plan = redis_graph.execution_plan(q)
self.env.assertNotIn("Index Scan", plan)
def test14_index_scan_utilize_array(self):
# Querying indexed properties using IN a constant array should utilize indexes.
query = "MATCH (a:person) WHERE a.age IN [34, 33] RETURN a.name ORDER BY a.name"
plan = redis_graph.execution_plan(query)
# One index scan should be performed.
self.env.assertEqual(plan.count("Index Scan"), 1)
query_result = redis_graph.query(query)
expected_result = [["Noam Nativ"], ["Omri Traub"]]
self.env.assertEquals(query_result.result_set, expected_result)
# Querying indexed properties using IN a generated array should utilize indexes.
query = "MATCH (a:person) WHERE a.age IN range(33, 34) RETURN a.name ORDER BY a.name"
plan = redis_graph.execution_plan(query)
# One index scan should be performed.
self.env.assertEqual(plan.count("Index Scan"), 1)
query_result = redis_graph.query(query)
expected_result = [["Noam Nativ"], ["Omri Traub"]]
self.env.assertEquals(query_result.result_set, expected_result)
# Querying indexed properties using IN a non-constant array should not utilize indexes.
query = "MATCH (a:person)-[]->(b) WHERE a.age IN b.arr RETURN a"
plan = redis_graph.execution_plan(query)
# No index scans should be performed.
self.env.assertEqual(plan.count("Label Scan"), 1)
self.env.assertEqual(plan.count("Index Scan"), 0)
# Test fulltext result scoring
def test15_fulltext_result_scoring(self):
g = Graph('fulltext_scoring', self.env.getConnection())
# create full-text index over label 'L', attribute 'v'
g.call_procedure('db.idx.fulltext.createNodeIndex', 'L', 'v')
# introduce 2 nodes
g.query("create (:L {v:'hello world hello'})")
g.query("create (:L {v:'hello world hello world'})")
# query nodes using fulltext search
q = """CALL db.idx.fulltext.queryNodes('L', 'hello world') YIELD node, score
RETURN node.v, score
ORDER BY score"""
res = g.query(q)
actual = res.result_set
expected = [['hello world hello', 1.5], ['hello world hello world', 2]]
self.env.assertEqual(expected, actual)
def test16_runtime_index_utilization(self):
# find all person nodes with age in the range 33-37
# current age (x) should be resolved at runtime
# index query should be constructed for each age value
q = """UNWIND range(33, 37) AS x
MATCH (p:person {age:x})
RETURN p.name
ORDER BY p.name"""
plan = redis_graph.execution_plan(q)
self.env.assertIn('Index Scan', plan)
query_result = redis_graph.query(q)
expected_result = [["Noam Nativ"], ["Omri Traub"]]
self.env.assertEquals(query_result.result_set, expected_result)
# similar to the query above, only this time the filter is specified
# by an OR condition
q = """WITH 33 AS min, 34 AS max
MATCH (p:person)
WHERE p.age = min OR p.age = max
RETURN p.name
ORDER BY p.name"""
plan = redis_graph.execution_plan(q)
self.env.assertIn('Index Scan', plan)
query_result = redis_graph.query(q)
expected_result = [["Noam Nativ"], ["Omri Traub"]]
self.env.assertEquals(query_result.result_set, expected_result)
# find all person nodes with age equals 33 'x'
# 'x' value is known only at runtime
q = """WITH 33 AS x
MATCH (p:person {age:x})
RETURN p.name
ORDER BY p.name"""
plan = redis_graph.execution_plan(q)
self.env.assertIn('Index Scan', plan)
query_result = redis_graph.query(q)
expected_result = [["Omri Traub"]]
self.env.assertEquals(query_result.result_set, expected_result)
# find all person nodes with age equals x + 1
# the expression x+1 is evaluated to the constant 33 only at runtime
# expecting index query to be constructed at runtime
q = """WITH 32 AS x
MATCH (p:person)
WHERE p.age = (x + 1)
RETURN p.name
ORDER BY p.name"""
plan = redis_graph.execution_plan(q)
self.env.assertIn('Index Scan', plan)
query_result = redis_graph.query(q)
expected_result = [["Omri Traub"]]
self.env.assertEquals(query_result.result_set, expected_result)
# same idea as previous query only we've switched the position of the
# operands, queried entity (p.age) is now on the right hand side of the
# filter, expecting the same behavior
q = """WITH 32 AS x
MATCH (p:person)
WHERE (x + 1) = p.age
RETURN p.name
ORDER BY p.name"""
plan = redis_graph.execution_plan(q)
self.env.assertIn('Index Scan', plan)
query_result = redis_graph.query(q)
expected_result = [["Omri Traub"]]
self.env.assertEquals(query_result.result_set, expected_result)
# find all person nodes 'b' with age greater than node 'a'
# a's age value is determined only at runtime
# expecting index to be used to resolve 'b' nodes, index query should be
# constructed at runtime
q = """MATCH (a:person {name:'Omri Traub'})
WITH a AS a
MATCH (b:person)
WHERE b.age > a.age
RETURN b.name
ORDER BY b.name"""
plan = redis_graph.execution_plan(q)
self.env.assertIn('Index Scan', plan)
query_result = redis_graph.query(q)
expected_result = [["Noam Nativ"]]
self.env.assertEquals(query_result.result_set, expected_result)
# same idea as previous query, only this time we've switched filter
# operands position, queries entity is on the right hand side
q = """MATCH (a:person {name: 'Omri Traub'})
WITH a AS a
MATCH (b:person)
WHERE a.age < b.age
RETURN b.name
ORDER BY b.name"""
plan = redis_graph.execution_plan(q)
self.env.assertIn('Index Scan', plan)
query_result = redis_graph.query(q)
expected_result = [["Noam Nativ"]]
self.env.assertEquals(query_result.result_set, expected_result)
# TODO: The following query uses the "Value Hash Join" where it would be
# better to use "Index Scan"
q = """UNWIND range(33, 37) AS x MATCH (a:person {age:x}), (b:person {age:x}) RETURN a.name, b.name ORDER BY a.name, b.name"""
def test17_runtime_index_utilization_array_values(self):
# when constructing an index query at runtime it is possible to encounter
# none indexable values e.g. Array, in which case the index will still be
# utilize, producing every entity which was indexed with a none indexable value
# to which the index scan operation will have to apply the original filter
# create person nodes with array value for their 'age' attribute
q = """CREATE (:person {age:[36], name:'leonard'}), (:person {age:[34], name:['maynard']})"""
redis_graph.query(q)
# find all person nodes with age value of [36]
q = """WITH [36] AS age MATCH (a:person {age:age}) RETURN a.name"""
plan = redis_graph.execution_plan(q)
self.env.assertIn('Index Scan', plan)
query_result = redis_graph.query(q)
expected_result = [["leonard"]]
self.env.assertEquals(query_result.result_set, expected_result)
# find all person nodes with age > [33]
q = """WITH [33] AS age MATCH (a:person) WHERE a.age > age RETURN a.name"""
plan = redis_graph.execution_plan(q)
self.env.assertIn('Index Scan', plan)
query_result = redis_graph.query(q)
expected_result = [["leonard"], [["maynard"]]]
self.env.assertEquals(query_result.result_set, expected_result)
# combine indexable value with none-indexable value index query
q = """WITH [33] AS age, 'leonard' AS name MATCH (a:person) WHERE a.age >= age AND a.name = name RETURN a.name"""
plan = redis_graph.execution_plan(q)
self.env.assertIn('Index Scan', plan)
query_result = redis_graph.query(q)
expected_result = [["leonard"]]
self.env.assertEquals(query_result.result_set, expected_result)
class testReturnDistinctFlow1(FlowTestsBase):
def __init__(self):
self.env = Env(decodeResponses=True)
global graph1
redis_con = self.env.getConnection()
graph1 = Graph("G1", redis_con)
self.populate_graph()
def populate_graph(self):
global graph1
graph1.query("CREATE (:PARENT {name: 'Stevie'})")
graph1.query("CREATE (:PARENT {name: 'Mike'})")
graph1.query("CREATE (:PARENT {name: 'James'})")
graph1.query("CREATE (:PARENT {name: 'Rich'})")
graph1.query(
"MATCH (p:PARENT {name: 'Stevie'}) CREATE (p)-[:HAS]->(c:CHILD {name: 'child1'})"
)
graph1.query(
"MATCH (p:PARENT {name: 'Stevie'}) CREATE (p)-[:HAS]->(c:CHILD {name: 'child2'})"
)
graph1.query(
"MATCH (p:PARENT {name: 'Stevie'}) CREATE (p)-[:HAS]->(c:CHILD {name: 'child3'})"
)
graph1.query(
"MATCH (p:PARENT {name: 'Mike'}) CREATE (p)-[:HAS]->(c:CHILD {name: 'child4'})"
)
graph1.query(
"MATCH (p:PARENT {name: 'James'}) CREATE (p)-[:HAS]->(c:CHILD {name: 'child5'})"
)
graph1.query(
"MATCH (p:PARENT {name: 'James'}) CREATE (p)-[:HAS]->(c:CHILD {name: 'child6'})"
)
def test_distinct_optimization(self):
global graph1
# Make sure we do not omit distinct when performain none aggregated projection.
execution_plan = graph1.execution_plan(
"MATCH (n) RETURN DISTINCT n.name, n.age")
self.env.assertIn("Distinct", execution_plan)
# Distinct should be omitted when performain aggregation.
execution_plan = graph1.execution_plan(
"MATCH (n) RETURN DISTINCT n.name, max(n.age)")
self.env.assertNotIn("Distinct", execution_plan)
def test_issue_395_scenario(self):
global graph1
# all
result = graph1.query(
"MATCH (p:PARENT)-[:HAS]->(:CHILD) RETURN p.name")
self.env.assertEqual(result.result_set,
[['Stevie'], ['Stevie'], ['Stevie'], ['Mike'],
['James'], ['James']])
# order
result = graph1.query(
"MATCH (p:PARENT)-[:HAS]->(:CHILD) RETURN p.name ORDER BY p.name")
self.env.assertEqual(result.result_set,
[['James'], ['James'], ['Mike'], ['Stevie'],
['Stevie'], ['Stevie']])
# limit
result = graph1.query(
"MATCH (p:PARENT)-[:HAS]->(:CHILD) RETURN p.name LIMIT 2")
self.env.assertEqual(result.result_set, [['Stevie'], ['Stevie']])
# order+limit
result = graph1.query(
"MATCH (p:PARENT)-[:HAS]->(:CHILD) RETURN p.name ORDER BY p.name LIMIT 2"
)
self.env.assertEqual(result.result_set, [['James'], ['James']])
# all+distinct
result = graph1.query(
"MATCH (p:PARENT)-[:HAS]->(:CHILD) RETURN DISTINCT p.name")
self.env.assertEqual(result.result_set,
[['Stevie'], ['Mike'], ['James']])
# order+distinct
result = graph1.query(
"MATCH (p:PARENT)-[:HAS]->(:CHILD) RETURN DISTINCT p.name ORDER BY p.name"
)
self.env.assertEqual(result.result_set,
[['James'], ['Mike'], ['Stevie']])
# limit+distinct
result = graph1.query(
"MATCH (p:PARENT)-[:HAS]->(:CHILD) RETURN DISTINCT p.name LIMIT 2")
self.env.assertEqual(result.result_set, [['Stevie'], ['Mike']])
# order+limit+distinct
result = graph1.query(
"MATCH (p:PARENT)-[:HAS]->(:CHILD) RETURN DISTINCT p.name ORDER BY p.name LIMIT 2"
)
self.env.assertEqual(result.result_set, [['James'], ['Mike']])
def test_distinct_with_order(self):
# The results of DISTINCT should not be affected by the values in the ORDER BY clause
result = graph1.query(
"MATCH (p:PARENT)-[:HAS]->(c:CHILD) RETURN DISTINCT p.name ORDER BY c.name"
)
self.env.assertEqual(result.result_set,
[['Stevie'], ['Mike'], ['James']])
result = graph1.query(
"UNWIND range(0,3) AS a UNWIND range(4,7) AS b RETURN DISTINCT a ORDER BY b"
)
self.env.assertEqual(result.result_set, [[3], [2], [1], [0]])
class TestAggregate():
def __init__(self):
self.env = Env()
add_values(self.env)
def testGroupBy(self):
cmd = [
'ft.aggregate', 'games', '*', 'GROUPBY', '1', '@brand', 'REDUCE',
'count', '0', 'AS', 'count', 'SORTBY', 2, '@count', 'desc',
'LIMIT', '0', '5'
]
res = self.env.cmd(*cmd)
self.env.assertIsNotNone(res)
self.env.assertEqual([
292L, ['brand', '', 'count', '1518'],
['brand', 'mad catz', 'count', '43'],
['brand', 'generic', 'count', '40'],
['brand', 'steelseries', 'count', '37'],
['brand', 'logitech', 'count', '35']
], res)
def testMinMax(self):
cmd = [
'ft.aggregate', 'games', 'sony', 'GROUPBY', '1', '@brand',
'REDUCE', 'count', '0', 'REDUCE', 'min', '1', '@price', 'as',
'minPrice', 'SORTBY', '2', '@minPrice', 'DESC'
]
res = self.env.cmd(*cmd)
self.env.assertIsNotNone(res)
row = to_dict(res[1])
self.env.assertEqual(88, int(float(row['minPrice'])))
cmd = [
'ft.aggregate', 'games', 'sony', 'GROUPBY', '1', '@brand',
'REDUCE', 'count', '0', 'REDUCE', 'max', '1', '@price', 'as',
'maxPrice', 'SORTBY', '2', '@maxPrice', 'DESC'
]
res = self.env.cmd(*cmd)
row = to_dict(res[1])
self.env.assertEqual(695, int(float(row['maxPrice'])))
def testAvg(self):
cmd = [
'ft.aggregate', 'games', 'sony', 'GROUPBY', '1', '@brand',
'REDUCE', 'avg', '1', '@price', 'AS', 'avg_price', 'REDUCE',
'count', '0', 'SORTBY', '2', '@avg_price', 'DESC'
]
res = self.env.cmd(*cmd)
self.env.assertIsNotNone(res)
self.env.assertEqual(26, res[0])
# Ensure the formatting actually exists
first_row = to_dict(res[1])
self.env.assertEqual(109, int(float(first_row['avg_price'])))
for row in res[1:]:
row = to_dict(row)
self.env.assertIn('avg_price', row)
# Test aliasing
cmd = [
'FT.AGGREGATE', 'games', 'sony', 'GROUPBY', '1', '@brand',
'REDUCE', 'avg', '1', '@price', 'AS', 'avgPrice'
]
res = self.env.cmd(*cmd)
first_row = to_dict(res[1])
self.env.assertEqual(17, int(float(first_row['avgPrice'])))
def testCountDistinct(self):
cmd = [
'FT.AGGREGATE', 'games', '*', 'GROUPBY', '1', '@brand', 'REDUCE',
'COUNT_DISTINCT', '1', '@title', 'AS', 'count_distinct(title)',
'REDUCE', 'COUNT', '0'
]
res = self.env.cmd(*cmd)[1:]
# print res
row = to_dict(res[0])
self.env.assertEqual(1484, int(row['count_distinct(title)']))
cmd = [
'FT.AGGREGATE', 'games', '*', 'GROUPBY', '1', '@brand', 'REDUCE',
'COUNT_DISTINCTISH', '1', '@title', 'AS',
'count_distinctish(title)', 'REDUCE', 'COUNT', '0'
]
res = self.env.cmd(*cmd)[1:]
# print res
row = to_dict(res[0])
self.env.assertEqual(1461, int(row['count_distinctish(title)']))
def testQuantile(self):
cmd = [
'FT.AGGREGATE', 'games', '*', 'GROUPBY', '1', '@brand', 'REDUCE',
'QUANTILE', '2', '@price', '0.50', 'AS', 'q50', 'REDUCE',
'QUANTILE', '2', '@price', '0.90', 'AS', 'q90', 'REDUCE',
'QUANTILE', '2', '@price', '0.95', 'AS', 'q95', 'REDUCE', 'AVG',
'1', '@price', 'REDUCE', 'COUNT', '0', 'AS', 'rowcount', 'SORTBY',
'2', '@rowcount', 'DESC', 'MAX', '1'
]
res = self.env.cmd(*cmd)
row = to_dict(res[1])
# TODO: Better samples
self.env.assertAlmostEqual(14.99, float(row['q50']), delta=3)
self.env.assertAlmostEqual(70, float(row['q90']), delta=50)
self.env.assertAlmostEqual(110, (float(row['q95'])), delta=50)
def testStdDev(self):
cmd = [
'FT.AGGREGATE', 'games', '*', 'GROUPBY', '1', '@brand', 'REDUCE',
'STDDEV', '1', '@price', 'AS', 'stddev(price)', 'REDUCE', 'AVG',
'1', '@price', 'AS', 'avgPrice', 'REDUCE', 'QUANTILE', '2',
'@price', '0.50', 'AS', 'q50Price', 'REDUCE', 'COUNT', '0', 'AS',
'rowcount', 'SORTBY', '2', '@rowcount', 'DESC', 'LIMIT', '0', '10'
]
res = self.env.cmd(*cmd)
row = to_dict(res[1])
self.env.assertTrue(10 <= int(float(row['q50Price'])) <= 20)
self.env.assertAlmostEqual(53,
int(float(row['stddev(price)'])),
delta=50)
self.env.assertEqual(29, int(float(row['avgPrice'])))
def testParseTime(self):
cmd = [
'FT.AGGREGATE', 'games', '*', 'GROUPBY', '1', '@brand', 'REDUCE',
'COUNT', '0', 'AS', 'count', 'APPLY', 'timefmt(1517417144)', 'AS',
'dt', 'APPLY', 'parse_time("%FT%TZ", @dt)', 'as', 'parsed_dt',
'LIMIT', '0', '1'
]
res = self.env.cmd(*cmd)
self.env.assertEqual([
'brand', '', 'count', '1518', 'dt', '2018-01-31T16:45:44Z',
'parsed_dt', '1517417144'
], res[1])
def testRandomSample(self):
cmd = [
'FT.AGGREGATE', 'games', '*', 'GROUPBY', '1', '@brand', 'REDUCE',
'COUNT', '0', 'AS', 'num', 'REDUCE', 'RANDOM_SAMPLE', '2',
'@price', '10', 'SORTBY', '2', '@num', 'DESC', 'MAX', '10'
]
for row in self.env.cmd(*cmd)[1:]:
self.env.assertIsInstance(row[5], list)
self.env.assertGreater(len(row[5]), 0)
self.env.assertGreaterEqual(row[3], len(row[5]))
self.env.assertLessEqual(len(row[5]), 10)
def testTimeFunctions(self):
cmd = [
'FT.AGGREGATE', 'games', '*', 'APPLY', '1517417144', 'AS', 'dt',
'APPLY', 'timefmt(@dt)', 'AS', 'timefmt', 'APPLY', 'day(@dt)',
'AS', 'day', 'APPLY', 'hour(@dt)', 'AS', 'hour', 'APPLY',
'minute(@dt)', 'AS', 'minute', 'APPLY', 'month(@dt)', 'AS',
'month', 'APPLY', 'dayofweek(@dt)', 'AS', 'dayofweek', 'APPLY',
'dayofmonth(@dt)', 'AS', 'dayofmonth', 'APPLY', 'dayofyear(@dt)',
'AS', 'dayofyear', 'APPLY', 'year(@dt)', 'AS', 'year', 'LIMIT',
'0', '1'
]
res = self.env.cmd(*cmd)
self.env.assertListEqual([
1L,
[
'dt', '1517417144', 'timefmt', '2018-01-31T16:45:44Z', 'day',
'1517356800', 'hour', '1517414400', 'minute', '1517417100',
'month', '1514764800', 'dayofweek', '3', 'dayofmonth', '31',
'dayofyear', '30', 'year', '2018'
]
], res)
def testStringFormat(self):
cmd = [
'FT.AGGREGATE', 'games', '@brand:sony', 'GROUPBY', '2', '@title',
'@brand', 'REDUCE', 'COUNT', '0', 'REDUCE', 'MAX', '1', '@price',
'AS', 'price', 'APPLY',
'format("%s|%s|%s|%s", @title, @brand, "Mark", @price)', 'as',
'titleBrand', 'LIMIT', '0', '10'
]
res = self.env.cmd(*cmd)
for row in res[1:]:
row = to_dict(row)
expected = '%s|%s|%s|%g' % (row['title'], row['brand'], 'Mark',
float(row['price']))
self.env.assertEqual(expected, row['titleBrand'])
def testSum(self):
cmd = [
'ft.aggregate', 'games', '*', 'GROUPBY', '1', '@brand', 'REDUCE',
'count', '0', 'AS', 'count', 'REDUCE', 'sum', 1, '@price', 'AS',
'sum(price)', 'SORTBY', 2, '@sum(price)', 'desc', 'LIMIT', '0', '5'
]
res = self.env.cmd(*cmd)
self.env.assertEqual([
292L, ['brand', '', 'count', '1518', 'sum(price)', '44780.69'],
['brand', 'mad catz', 'count', '43', 'sum(price)', '3973.48'],
['brand', 'razer', 'count', '26', 'sum(price)', '2558.58'],
['brand', 'logitech', 'count', '35', 'sum(price)', '2329.21'],
['brand', 'steelseries', 'count', '37', 'sum(price)', '1851.12']
], res)
def testFilter(self):
cmd = [
'ft.aggregate', 'games', '*', 'GROUPBY', '1', '@brand', 'REDUCE',
'count', '0', 'AS', 'count', 'FILTER', '@count > 5'
]
res = self.env.cmd(*cmd)
for row in res[1:]:
row = to_dict(row)
self.env.assertGreater(int(row['count']), 5)
cmd = [
'ft.aggregate', 'games', '*', 'GROUPBY', '1', '@brand', 'REDUCE',
'count', '0', 'AS', 'count', 'FILTER', '@count < 5', 'FILTER',
'@count > 2 && @brand != ""'
]
res = self.env.cmd(*cmd)
for row in res[1:]:
row = to_dict(row)
self.env.assertLess(int(row['count']), 5)
self.env.assertGreater(int(row['count']), 2)
def testToList(self):
cmd = [
'ft.aggregate', 'games', '*', 'GROUPBY', '1', '@brand', 'REDUCE',
'count_distinct', '1', '@price', 'as', 'count', 'REDUCE', 'tolist',
1, '@price', 'as', 'prices', 'SORTBY', 2, '@count', 'desc',
'LIMIT', '0', '5'
]
res = self.env.cmd(*cmd)
for row in res[1:]:
row = to_dict(row)
self.env.assertEqual(int(row['count']), len(row['prices']))
def testSortBy(self):
res = self.env.cmd('ft.aggregate', 'games', '*', 'GROUPBY', '1',
'@brand', 'REDUCE', 'sum', 1, '@price', 'as',
'price', 'SORTBY', 2, '@price', 'desc', 'LIMIT',
'0', '2')
self.env.assertListEqual([
292L, ['brand', '', 'price', '44780.69'],
['brand', 'mad catz', 'price', '3973.48']
], res)
res = self.env.cmd('ft.aggregate', 'games', '*', 'GROUPBY', '1',
'@brand', 'REDUCE', 'sum', 1, '@price', 'as',
'price', 'SORTBY', 2, '@price', 'asc', 'LIMIT', '0',
'2')
self.env.assertListEqual([
292L, ['brand', 'myiico', 'price', '0.23'],
['brand', 'crystal dynamics', 'price', '0.25']
], res)
# Test MAX with limit higher than it
res = self.env.cmd('ft.aggregate', 'games', '*', 'GROUPBY', '1',
'@brand', 'REDUCE', 'sum', 1, '@price', 'as',
'price', 'SORTBY', 2, '@price', 'asc', 'MAX', 2)
self.env.assertListEqual([
292L, ['brand', 'myiico', 'price', '0.23'],
['brand', 'crystal dynamics', 'price', '0.25']
], res)
# Test Sorting by multiple properties
res = self.env.cmd(
'ft.aggregate',
'games',
'*',
'GROUPBY',
'1',
'@brand',
'REDUCE',
'sum',
1,
'@price',
'as',
'price',
'APPLY',
'(@price % 10)',
'AS',
'price',
'SORTBY',
4,
'@price',
'asc',
'@brand',
'desc',
'MAX',
10,
)
self.env.assertListEqual([
292L, ['brand', 'zps', 'price', '0'],
['brand', 'zalman', 'price', '0'], [
'brand', 'yoozoo', 'price', '0'
], ['brand', 'white label', 'price', '0'],
['brand', 'stinky', 'price', '0'],
['brand', 'polaroid', 'price', '0'],
['brand', 'plantronics', 'price', '0'],
['brand', 'ozone', 'price', '0'], ['brand', 'oooo', 'price', '0'],
['brand', 'neon', 'price', '0']
], res)
def testExpressions(self):
pass
def testNoGroup(self):
res = self.env.cmd(
'ft.aggregate',
'games',
'*',
'LOAD',
'2',
'@brand',
'@price',
'APPLY',
'floor(sqrt(@price)) % 10',
'AS',
'price',
'SORTBY',
4,
'@price',
'desc',
'@brand',
'desc',
'MAX',
5,
)
exp = [
2265L, ['brand', 'Xbox', 'price', '9'],
['brand', 'turtle beach', 'price', '9'],
['brand', 'trust', 'price', '9'],
['brand', 'steelseries', 'price', '9'],
['brand', 'speedlink', 'price', '9']
]
# exp = [2265L, ['brand', 'Xbox', 'price', '9'], ['brand', 'Turtle Beach', 'price', '9'], [
# 'brand', 'Trust', 'price', '9'], ['brand', 'SteelSeries', 'price', '9'], ['brand', 'Speedlink', 'price', '9']]
self.env.assertListEqual(exp[1], res[1])
def testLoad(self):
res = self.env.cmd('ft.aggregate', 'games', '*', 'LOAD', '3', '@brand',
'@price', '@nonexist', 'SORTBY', 2, '@price',
'DESC', 'MAX', 2)
exp = [
3L, ['brand', '', 'price', '759.12'],
['brand', 'Sony', 'price', '695.8']
]
self.env.assertEqual(exp[1], res[1])
self.env.assertEqual(exp[2], res[2])
def testLoadWithDocId(self):
res = self.env.cmd('ft.aggregate', 'games', '*', 'LOAD', '3', '@brand',
'@price', '@__key', 'SORTBY', 2, '@price', 'DESC',
'MAX', 4)
exp = [
3L, ['brand', '', 'price', '759.12', '__key', 'B00006JJIC'],
['brand', 'Sony', 'price', '695.8', '__key', 'B000F6W1AG']
]
self.env.assertEqual(exp[1], res[1])
self.env.assertEqual(exp[2], res[2])
res = self.env.cmd('ft.aggregate', 'games', '*', 'LOAD', '3', '@brand',
'@price', '@__key', 'FILTER',
'@__key == "B000F6W1AG"')
self.env.assertEqual(
res[1], ['brand', 'Sony', 'price', '695.8', '__key', 'B000F6W1AG'])
def testLoadImplicit(self):
# same as previous
res = self.env.cmd('ft.aggregate', 'games', '*', 'LOAD', '1', '@brand',
'SORTBY', 2, '@price', 'DESC')
exp = [
3L, ['brand', '', 'price', '759.12'],
['brand', 'Sony', 'price', '695.8']
]
self.env.assertEqual(exp[1], res[1])
def testSplit(self):
res = self.env.cmd(
'ft.aggregate', 'games', '*', 'APPLY',
'split("hello world, foo,,,bar,", ",", " ")', 'AS', 'strs',
'APPLY', 'split("hello world, foo,,,bar,", " ", ",")', 'AS',
'strs2', 'APPLY', 'split("hello world, foo,,,bar,", "", "")',
'AS', 'strs3', 'APPLY', 'split("hello world, foo,,,bar,")', 'AS',
'strs4', 'APPLY', 'split("hello world, foo,,,bar,",",")', 'AS',
'strs5', 'APPLY', 'split("")', 'AS', 'empty', 'LIMIT', '0', '1')
# print "Got {} results".format(len(res))
# return
# pprint.pprint(res)
self.env.assertListEqual([
1L,
[
'strs', ['hello world', 'foo', 'bar'], 'strs2',
['hello', 'world', 'foo,,,bar'], 'strs3',
['hello world, foo,,,bar,'], 'strs4',
['hello world', 'foo', 'bar'], 'strs5',
['hello world', 'foo', 'bar'], 'empty', []
]
], res)
def testFirstValue(self):
res = self.env.cmd(
'ft.aggregate', 'games',
'@brand:(sony|matias|beyerdynamic|(mad catz))', 'GROUPBY', 1,
'@brand', 'REDUCE', 'FIRST_VALUE', 4, '@title', 'BY', '@price',
'DESC', 'AS', 'top_item', 'REDUCE', 'FIRST_VALUE', 4, '@price',
'BY', '@price', 'DESC', 'AS', 'top_price', 'REDUCE', 'FIRST_VALUE',
4, '@title', 'BY', '@price', 'ASC', 'AS', 'bottom_item', 'REDUCE',
'FIRST_VALUE', 4, '@price', 'BY', '@price', 'ASC', 'AS',
'bottom_price', 'SORTBY', 2, '@top_price', 'DESC', 'MAX', 5)
expected = [
4L,
[
'brand', 'sony', 'top_item',
'sony psp slim & lite 2000 console', 'top_price', '695.8',
'bottom_item',
'sony dlchd20p high speed hdmi cable for playstation 3',
'bottom_price', '5.88'
],
[
'brand', 'matias', 'top_item', 'matias halfkeyboard usb',
'top_price', '559.99', 'bottom_item',
'matias halfkeyboard usb', 'bottom_price', '559.99'
],
[
'brand', 'beyerdynamic', 'top_item',
'beyerdynamic mmx300 pc gaming premium digital headset with microphone',
'top_price', '359.74', 'bottom_item',
'beyerdynamic headzone pc gaming digital surround sound system with mmx300 digital headset with microphone',
'bottom_price', '0'
],
[
'brand', 'mad catz', 'top_item',
'mad catz s.t.r.i.k.e.7 gaming keyboard', 'top_price',
'295.95', 'bottom_item',
'madcatz mov4545 xbox replacement breakaway cable',
'bottom_price', '3.49'
]
]
# hack :(
def mklower(result):
for arr in result[1:]:
for x in range(len(arr)):
arr[x] = arr[x].lower()
mklower(expected)
mklower(res)
self.env.assertListEqual(expected, res)
def testLoadAfterGroupBy(self):
with self.env.assertResponseError():
self.env.cmd('ft.aggregate', 'games', '*', 'GROUPBY', 1, '@brand',
'LOAD', 1, '@brand')
def testReducerGeneratedAliasing(self):
rv = self.env.cmd('ft.aggregate', 'games', '*', 'GROUPBY', 1, '@brand',
'REDUCE', 'MIN', 1, '@price', 'LIMIT', 0, 1)
self.env.assertEqual(
[292L, ['brand', '', '__generated_aliasminprice', '0']], rv)
rv = self.env.cmd('ft.aggregate', 'games',
'@brand:(sony|matias|beyerdynamic|(mad catz))',
'GROUPBY', 1, '@brand', 'REDUCE', 'FIRST_VALUE', 4,
'@title', 'BY', '@price', 'DESC', 'SORTBY', 2,
'@brand', 'ASC')
self.env.assertEqual('__generated_aliasfirst_valuetitle,by,price,desc',
rv[1][2])
def testIssue1125(self):
self.env.skipOnCluster()
# SEARCH should fail
self.env.expect('ft.search', 'games', '*', 'limit', 0, 2000000).error() \
.contains('LIMIT exceeds maximum of 1000000')
# SEARCH should succeed
self.env.expect('ft.config', 'set', 'MAXSEARCHRESULTS', -1).ok()
rv = self.env.cmd('ft.search', 'games', '*', 'LIMIT', 0, 12345678)
self.env.assertEqual(4531, len(rv))
# AGGREGATE should succeed
rv = self.env.cmd('ft.aggregate', 'games', '*', 'LIMIT', 0, 12345678)
self.env.assertEqual(2266, len(rv))
# AGGREGATE should fail
self.env.expect('ft.config', 'set', 'MAXAGGREGATERESULTS',
1000000).ok()
self.env.expect('ft.aggregate', 'games', '*', 'limit', 0, 2000000).error() \
.contains('LIMIT exceeds maximum of 1000000')
# force global limit on aggregate
num = 10
self.env.expect('ft.config', 'set', 'MAXAGGREGATERESULTS', num).ok()
rv = self.env.cmd('ft.aggregate', 'games', '*')
self.env.assertEqual(num + 1, len(rv))
def testMultiSortBy(self):
self.env.expect('ft.aggregate', 'games', '*',
'LOAD', '2', '@brand', '@price',
'SORTBY', 2, '@brand', 'DESC',
'SORTBY', 2, '@price', 'DESC').error()\
.contains('Multiple SORTBY steps are not allowed. Sort multiple fields in a single step')
class testRelationPattern(FlowTestsBase):
def __init__(self):
self.env = Env()
global redis_graph
redis_con = self.env.getConnection()
redis_graph = Graph(GRAPH_ID, redis_con)
self.populate_graph()
def populate_graph(self):
# Construct a graph with the form:
# (v1)-[:e]->(v2)-[:e]->(v3)
node_props = ['v1', 'v2', 'v3']
nodes = []
for idx, v in enumerate(node_props):
node = Node(label="L", properties={"val": v})
nodes.append(node)
redis_graph.add_node(node)
edge = Edge(nodes[0], "e", nodes[1])
redis_graph.add_edge(edge)
edge = Edge(nodes[1], "e", nodes[2])
redis_graph.add_edge(edge)
redis_graph.commit()
# Test patterns that traverse 1 edge.
def test01_one_hop_traversals(self):
# Conditional traversal with label
query = """MATCH (a)-[:e]->(b) RETURN a.val, b.val ORDER BY a.val, b.val"""
result_a = redis_graph.query(query)
# Conditional traversal without label
query = """MATCH (a)-[]->(b) RETURN a.val, b.val ORDER BY a.val, b.val"""
result_b = redis_graph.query(query)
# Fixed-length 1-hop traversal with label
query = """MATCH (a)-[:e*1]->(b) RETURN a.val, b.val ORDER BY a.val, b.val"""
result_c = redis_graph.query(query)
# Fixed-length 1-hop traversal without label
query = """MATCH (a)-[*1]->(b) RETURN a.val, b.val ORDER BY a.val, b.val"""
result_d = redis_graph.query(query)
self.env.assertEquals(result_b.result_set, result_a.result_set)
self.env.assertEquals(result_c.result_set, result_a.result_set)
self.env.assertEquals(result_d.result_set, result_a.result_set)
# Test patterns that traverse 2 edges.
def test02_two_hop_traversals(self):
# Conditional two-hop traversal without referenced intermediate node
query = """MATCH (a)-[:e]->()-[:e]->(b) RETURN a.val, b.val ORDER BY a.val, b.val"""
actual_result = redis_graph.query(query)
expected_result = [['v1', 'v3']]
self.env.assertEquals(actual_result.result_set, expected_result)
# Fixed-length two-hop traversal (same expected result)
query = """MATCH (a)-[:e*2]->(b) RETURN a.val, b.val ORDER BY a.val, b.val"""
self.env.assertEquals(actual_result.result_set, expected_result)
# Variable-length traversal with a minimum bound of 2 (same expected result)
query = """MATCH (a)-[*2..]->(b) RETURN a.val, b.val ORDER BY a.val, b.val"""
actual_result = redis_graph.query(query)
self.env.assertEquals(actual_result.result_set, expected_result)
# Conditional two-hop traversal with referenced intermediate node
query = """MATCH (a)-[:e]->(b)-[:e]->(c) RETURN a.val, b.val, c.val ORDER BY a.val, b.val"""
actual_result = redis_graph.query(query)
expected_result = [['v1', 'v2', 'v3']]
self.env.assertEquals(actual_result.result_set, expected_result)
# Test variable-length patterns
def test03_var_len_traversals(self):
# Variable-length traversal with label
query = """MATCH (a)-[:e*]->(b) RETURN a.val, b.val ORDER BY a.val, b.val"""
actual_result = redis_graph.query(query)
expected_result = [['v1', 'v2'], ['v1', 'v3'], ['v2', 'v3']]
self.env.assertEquals(actual_result.result_set, expected_result)
# Variable-length traversal without label (same expected result)
query = """MATCH (a)-[*]->(b) RETURN a.val, b.val ORDER BY a.val, b.val"""
actual_result = redis_graph.query(query)
self.env.assertEquals(actual_result.result_set, expected_result)
# Variable-length traversal with bounds 1..2 (same expected result)
query = """MATCH (a)-[:e*1..2]->(b) RETURN a.val, b.val ORDER BY a.val, b.val"""
actual_result = redis_graph.query(query)
self.env.assertEquals(actual_result.result_set, expected_result)
# Variable-length traversal with bounds 0..1
# This will return every node and itself, as well as all
# single-hop edges.
query = """MATCH (a)-[:e*0..1]->(b) RETURN a.val, b.val ORDER BY a.val, b.val"""
actual_result = redis_graph.query(query)
expected_result = [['v1', 'v1'], ['v1', 'v2'], ['v2', 'v2'],
['v2', 'v3'], ['v3', 'v3']]
self.env.assertEquals(actual_result.result_set, expected_result)
# Test variable-length patterns with alternately labeled source
# and destination nodes, which can cause different execution sequences.
def test04_variable_length_labeled_nodes(self):
# Source and edge labeled variable-length traversal
query = """MATCH (a:L)-[:e*]->(b) RETURN a.val, b.val ORDER BY a.val, b.val"""
actual_result = redis_graph.query(query)
expected_result = [['v1', 'v2'], ['v1', 'v3'], ['v2', 'v3']]
self.env.assertEquals(actual_result.result_set, expected_result)
# Destination and edge labeled variable-length traversal (same expected result)
query = """MATCH (a)-[:e*]->(b:L) RETURN a.val, b.val ORDER BY a.val, b.val"""
actual_result = redis_graph.query(query)
self.env.assertEquals(actual_result.result_set, expected_result)
# Source labeled variable-length traversal (same expected result)
query = """MATCH (a:L)-[*]->(b) RETURN a.val, b.val ORDER BY a.val, b.val"""
actual_result = redis_graph.query(query)
self.env.assertEquals(actual_result.result_set, expected_result)
# Destination labeled variable-length traversal (same expected result)
query = """MATCH (a)-[*]->(b:L) RETURN a.val, b.val ORDER BY a.val, b.val"""
actual_result = redis_graph.query(query)
self.env.assertEquals(actual_result.result_set, expected_result)
# Test traversals over explicit relationship types
def test05_relation_types(self):
# Add two nodes and two edges of a new type.
# The new form of the graph will be:
# (v1)-[:e]->(v2)-[:e]->(v3)-[:q]->(v4)-[:q]->(v5)
query = """MATCH (n {val: 'v3'}) CREATE (n)-[:q]->(:L {val: 'v4'})-[:q]->(:L {val: 'v5'})"""
actual_result = redis_graph.query(query)
self.env.assertEquals(actual_result.nodes_created, 2)
self.env.assertEquals(actual_result.relationships_created, 2)
# Verify the graph structure
query = """MATCH (a)-[e]->(b) RETURN a.val, b.val, TYPE(e) ORDER BY TYPE(e), a.val, b.val"""
actual_result = redis_graph.query(query)
expected_result = [['v1', 'v2', 'e'], ['v2', 'v3', 'e'],
['v3', 'v4', 'q'], ['v4', 'v5', 'q']]
self.env.assertEquals(actual_result.result_set, expected_result)
# Verify conditional traversals with explicit relation types
query = """MATCH (a)-[:e]->(b) RETURN a.val, b.val ORDER BY a.val, b.val"""
actual_result = redis_graph.query(query)
expected_result = [['v1', 'v2'], ['v2', 'v3']]
self.env.assertEquals(actual_result.result_set, expected_result)
query = """MATCH (a)-[:q]->(b) RETURN a.val, b.val ORDER BY a.val, b.val"""
actual_result = redis_graph.query(query)
expected_result = [['v3', 'v4'], ['v4', 'v5']]
self.env.assertEquals(actual_result.result_set, expected_result)
# Verify conditional traversals with multiple explicit relation types
query = """MATCH (a)-[e:e|:q]->(b) RETURN a.val, b.val, TYPE(e) ORDER BY TYPE(e), a.val, b.val"""
actual_result = redis_graph.query(query)
expected_result = [['v1', 'v2', 'e'], ['v2', 'v3', 'e'],
['v3', 'v4', 'q'], ['v4', 'v5', 'q']]
self.env.assertEquals(actual_result.result_set, expected_result)
# Verify variable-length traversals with explicit relation types
query = """MATCH (a)-[:e*]->(b) RETURN a.val, b.val ORDER BY a.val, b.val"""
actual_result = redis_graph.query(query)
expected_result = [['v1', 'v2'], ['v1', 'v3'], ['v2', 'v3']]
self.env.assertEquals(actual_result.result_set, expected_result)
query = """MATCH (a)-[:q*]->(b) RETURN a.val, b.val ORDER BY a.val, b.val"""
actual_result = redis_graph.query(query)
expected_result = [['v3', 'v4'], ['v3', 'v5'], ['v4', 'v5']]
self.env.assertEquals(actual_result.result_set, expected_result)
# Verify variable-length traversals with multiple explicit relation types
query = """MATCH (a)-[:e|:q*]->(b) RETURN a.val, b.val ORDER BY a.val, b.val"""
actual_result = redis_graph.query(query)
expected_result = [['v1', 'v2'], ['v1', 'v3'], ['v1', 'v4'],
['v1', 'v5'], ['v2', 'v3'], ['v2', 'v4'],
['v2', 'v5'], ['v3', 'v4'], ['v3', 'v5'],
['v4', 'v5']]
self.env.assertEquals(actual_result.result_set, expected_result)
# Test traversals over transposed edge matrices.
def test06_transposed_traversals(self):
# The intermediate node 'b' will be used to form the scan operation because it is filtered.
# As such, one of the traversals must be transposed.
query = """MATCH (a)-[e]->(b {val:'v3'})-[]->(c:L) RETURN COUNT(e)"""
plan = redis_graph.execution_plan(query)
# Verify that the execution plan contains two traversals following opposing edge directions.
self.env.assertIn("<-", plan)
self.env.assertIn("->", plan)
# Verify results.
actual_result = redis_graph.query(query)
expected_result = [[1]]
self.env.assertEquals(actual_result.result_set, expected_result)
class testFunctionCallsFlow(FlowTestsBase):
def __init__(self):
self.env = Env(decodeResponses=True)
global graph
global redis_con
redis_con = self.env.getConnection()
graph = Graph("G", redis_con)
self.populate_graph()
def populate_graph(self):
global graph
nodes = {}
# Create entities
for idx, p in enumerate(people):
node = Node(label="person", properties={"name": p, "val": idx})
graph.add_node(node)
nodes[p] = node
# Fully connected graph
for src in nodes:
for dest in nodes:
if src != dest:
edge = Edge(nodes[src], "know", nodes[dest])
graph.add_edge(edge)
for src in nodes:
for dest in nodes:
if src != dest:
edge = Edge(nodes[src], "works_with", nodes[dest])
graph.add_edge(edge)
graph.commit()
query = """MATCH (a)-[:know]->(b) CREATE (a)-[:know]->(b)"""
graph.query(query)
def expect_type_error(self, query):
try:
graph.query(query)
assert (False)
except redis.exceptions.ResponseError as e:
# Expecting a type error.
self.env.assertIn("Type mismatch", str(e))
def expect_error(self, query, expected_err_msg):
try:
graph.query(query)
assert (False)
except redis.exceptions.ResponseError as e:
# Expecting a type error.
self.env.assertIn(expected_err_msg, str(e))
# Validate capturing of errors prior to query execution.
def test01_compile_time_errors(self):
query = """RETURN toUpper(5)"""
self.expect_type_error(query)
query = """RETURN 'a' * 2"""
self.expect_type_error(query)
query = """RETURN max(1 + min(2))"""
self.expect_error(
query,
"Can't use aggregate functions inside of aggregate functions")
def test02_boolean_comparisons(self):
query = """RETURN true = 5"""
actual_result = graph.query(query)
expected_result = [[False]]
self.env.assertEquals(actual_result.result_set, expected_result)
query = """RETURN true <> 'str'"""
actual_result = graph.query(query)
expected_result = [[True]]
self.env.assertEquals(actual_result.result_set, expected_result)
query = """RETURN 'anything' <> NULL"""
actual_result = graph.query(query)
expected_result = [[None]]
self.env.assertEquals(actual_result.result_set, expected_result)
query = """RETURN 'anything' = NULL"""
actual_result = graph.query(query)
expected_result = [[None]]
self.env.assertEquals(actual_result.result_set, expected_result)
query = """RETURN 10 >= 1.5"""
actual_result = graph.query(query)
expected_result = [[True]]
self.env.assertEquals(actual_result.result_set, expected_result)
query = """RETURN -1 < 1"""
actual_result = graph.query(query)
expected_result = [[True]]
self.env.assertEquals(actual_result.result_set, expected_result)
def test03_boolean_errors(self):
query = """RETURN 'str' < 5.5"""
self.expect_type_error(query)
query = """RETURN true > 5"""
self.expect_type_error(query)
query = """MATCH (a) RETURN a < 'anything' LIMIT 1"""
self.expect_type_error(query)
def test04_entity_functions(self):
query = "RETURN ID(5)"
self.expect_type_error(query)
query = "MATCH (a) RETURN ID(a) ORDER BY ID(a) LIMIT 3"
actual_result = graph.query(query)
expected_result = [[0], [1], [2]]
self.env.assertEquals(actual_result.result_set, expected_result)
query = "MATCH (a)-[e]->() RETURN ID(e) ORDER BY ID(e) LIMIT 3"
actual_result = graph.query(query)
expected_result = [[0], [1], [2]]
self.env.assertEquals(actual_result.result_set, expected_result)
query = "RETURN EXISTS(null)"
actual_result = graph.query(query)
expected_result = [[False]]
self.env.assertEquals(actual_result.result_set, expected_result)
query = "RETURN EXISTS('anything')"
actual_result = graph.query(query)
expected_result = [[True]]
self.env.assertEquals(actual_result.result_set, expected_result)
def test07_nonmap_errors(self):
query = """MATCH (a) WITH a.name AS scalar RETURN scalar.name"""
self.expect_type_error(query)
def test08_apply_all_function(self):
query = "MATCH () RETURN COUNT(*)"
actual_result = graph.query(query)
expected_result = [[4]]
self.env.assertEquals(actual_result.result_set, expected_result)
query = "UNWIND [1, 2] AS a RETURN COUNT(*)"
actual_result = graph.query(query)
expected_result = [[2]]
self.env.assertEquals(actual_result.result_set, expected_result)
# COLLECT should associate false and 'false' to different groups.
query = "UNWIND [false,'false',0,'0'] AS a RETURN a, count(a)"
actual_result = graph.query(query)
expected_result = [[0, 1], [False, 1], ["false", 1], ['0', 1]]
self.env.assertEquals(actual_result.result_set, expected_result)
def test09_static_aggregation(self):
query = "RETURN count(*)"
actual_result = graph.query(query)
expected_result = [[1]]
self.env.assertEquals(actual_result.result_set, expected_result)
query = "RETURN max(2)"
actual_result = graph.query(query)
expected_result = [[2]]
self.env.assertEquals(actual_result.result_set, expected_result)
query = "RETURN min(3)"
actual_result = graph.query(query)
expected_result = [[3]]
self.env.assertEquals(actual_result.result_set, expected_result)
def test10_modulo_inputs(self):
# Validate modulo with integer inputs.
query = "RETURN 5 % 2"
actual_result = graph.query(query)
expected_result = [[1]]
self.env.assertEquals(actual_result.result_set, expected_result)
# Validate modulo with a floating-point dividend.
query = "RETURN 5.5 % 2"
actual_result = graph.query(query)
expected_result = [[1.5]]
self.env.assertEquals(actual_result.result_set, expected_result)
# Validate modulo with a floating-point divisor.
query = "RETURN 5 % 2.5"
actual_result = graph.query(query)
expected_result = [[0]]
self.env.assertEquals(actual_result.result_set, expected_result)
# Validate modulo with both a floating-point dividen and a floating-point divisor.
query = "RETURN 5.5 % 2.5"
actual_result = graph.query(query)
expected_result = [[0.5]]
self.env.assertEquals(actual_result.result_set, expected_result)
# Validate modulo with negative integer inputs.
query = "RETURN -5 % -2"
actual_result = graph.query(query)
expected_result = [[-1]]
self.env.assertEquals(actual_result.result_set, expected_result)
# Validate modulo with negative floating-point inputs.
query = "RETURN -5.5 % -2.5"
actual_result = graph.query(query)
expected_result = [[-0.5]]
self.env.assertEquals(actual_result.result_set, expected_result)
# Validate modulo by 0
query = "RETURN 3 % 0"
try:
actual_result = graph.query(query)
except redis.ResponseError as e:
self.env.assertContains("Division by zero", str(e))
# Aggregate functions should handle null inputs appropriately.
def test11_null_aggregate_function_inputs(self):
# SUM should sum all non-null inputs.
query = """UNWIND [1, NULL, 3] AS a RETURN sum(a)"""
actual_result = graph.query(query)
expected_result = [[4]]
self.env.assertEquals(actual_result.result_set, expected_result)
# SUM should return 0 given a fully NULL input.
query = """WITH NULL AS a RETURN sum(a)"""
actual_result = graph.query(query)
expected_result = [[0]]
self.env.assertEquals(actual_result.result_set, expected_result)
# COUNT should count all non-null inputs.
query = """UNWIND [1, NULL, 3] AS a RETURN count(a)"""
actual_result = graph.query(query)
expected_result = [[2]]
self.env.assertEquals(actual_result.result_set, expected_result)
# COUNT should return 0 given a fully NULL input.
query = """WITH NULL AS a RETURN count(a)"""
actual_result = graph.query(query)
expected_result = [[0]]
self.env.assertEquals(actual_result.result_set, expected_result)
# COLLECT should ignore null inputs.
query = """UNWIND [1, NULL, 3] AS a RETURN collect(a)"""
actual_result = graph.query(query)
expected_result = [[[1, 3]]]
self.env.assertEquals(actual_result.result_set, expected_result)
# COLLECT should return an empty array on all null inputs.
query = """WITH NULL AS a RETURN collect(a)"""
actual_result = graph.query(query)
expected_result = [[[]]]
self.env.assertEquals(actual_result.result_set, expected_result)
# Verify that nested functions that perform heap allocations return properly.
def test12_nested_heap_functions(self):
query = """MATCH p = (n) WITH head(nodes(p)) AS node RETURN node.name ORDER BY node.name"""
actual_result = graph.query(query)
expected_result = [['Ailon'], ['Alon'], ['Boaz'], ['Roi']]
self.env.assertEquals(actual_result.result_set, expected_result)
# CASE...WHEN statements should properly handle NULL, false, and true evaluations.
def test13_case_when_inputs(self):
# Simple case form: single value evaluation.
query = """UNWIND [NULL, true, false] AS v RETURN v, CASE v WHEN true THEN v END"""
actual_result = graph.query(query)
expected_result = [[None, None], [True, True], [False, None]]
self.env.assertEquals(actual_result.result_set, expected_result)
query = """UNWIND [NULL, true, false] AS v RETURN v, CASE v WHEN true THEN v WHEN false THEN v END"""
actual_result = graph.query(query)
expected_result = [[None, None], [True, True], [False, False]]
self.env.assertEquals(actual_result.result_set, expected_result)
# Generic case form: evaluation for each case.
query = """UNWIND [NULL, true, false] AS v RETURN v, CASE WHEN v THEN v END"""
actual_result = graph.query(query)
# Only the true value should return non-NULL.
expected_result = [[None, None], [True, True], [False, None]]
self.env.assertEquals(actual_result.result_set, expected_result)
query = """UNWIND [NULL, true, false] AS v RETURN v, CASE WHEN v IS NOT NULL THEN v END"""
actual_result = graph.query(query)
# The true and false values should both return non-NULL.
expected_result = [[None, None], [True, True], [False, False]]
self.env.assertEquals(actual_result.result_set, expected_result)
# CASE...WHEN statements should manage allocated values properly.
def test14_case_when_memory_management(self):
# Simple case form: single value evaluation.
query = """WITH 'A' AS a WITH CASE a WHEN 'A' THEN toString(a) END AS key RETURN toLower(key)"""
actual_result = graph.query(query)
expected_result = [['a']]
self.env.assertEquals(actual_result.result_set, expected_result)
# Generic case form: evaluation for each case.
query = """WITH 'A' AS a WITH CASE WHEN true THEN toString(a) END AS key RETURN toLower(key)"""
actual_result = graph.query(query)
expected_result = [['a']]
self.env.assertEquals(actual_result.result_set, expected_result)
def test15_aggregate_error_handling(self):
functions = [
"avg", "collect", "count", "max", "min", "sum", "percentileDisc",
"percentileCont", "stDev"
]
# Test all functions for invalid argument counts.
for function in functions:
query = """UNWIND range(0, 10) AS val RETURN %s(val, val, val)""" % (
function)
self.expect_error(query, "Received 3 arguments")
# Test numeric functions for invalid input types.
numeric_functions = ["avg", "sum", "stDev"]
for function in numeric_functions:
query = """UNWIND ['a', 'b', 'c'] AS val RETURN %s(val)""" % (
function)
self.expect_type_error(query)
# Test invalid numeric input for percentile function.
query = """UNWIND range(0, 10) AS val RETURN percentileDisc(val, -1)"""
self.expect_error(query, "must be a number in the range 0.0 to 1.0")
# startNode and endNode calls should return the appropriate nodes.
def test16_edge_endpoints(self):
query = """MATCH (a)-[e]->(b) RETURN a.name, startNode(e).name, b.name, endNode(e).name"""
actual_result = graph.query(query)
for row in actual_result.result_set:
self.env.assertEquals(row[0], row[1])
self.env.assertEquals(row[2], row[3])
def test17_to_json(self):
# Test JSON literal values in an array.
query = """RETURN toJSON([1, 'str', true, NULL])"""
actual_result = graph.query(query)
parsed = json.loads(actual_result.result_set[0][0])
self.env.assertEquals(parsed, [1, "str", True, None])
# Test JSON an empty array value.
query = """WITH [] AS arr RETURN toJSON(arr)"""
actual_result = graph.query(query)
parsed = json.loads(actual_result.result_set[0][0])
self.env.assertEquals(parsed, [])
# Test JSON an empty map value.
query = """WITH {} AS map RETURN toJSON(map)"""
actual_result = graph.query(query)
parsed = json.loads(actual_result.result_set[0][0])
self.env.assertEquals(parsed, {})
# Test converting a map projection.
query = """MATCH (n {val: 1}) RETURN toJSON(n {.val, .name})"""
actual_result = graph.query(query)
parsed = json.loads(actual_result.result_set[0][0])
self.env.assertEquals(parsed, {"name": "Alon", "val": 1})
# Test converting a full node.
query = """MATCH (n {val: 1}) RETURN toJSON(n)"""
actual_result = graph.query(query)
parsed = json.loads(actual_result.result_set[0][0])
self.env.assertEquals(
parsed, {
"type": "node",
"id": 1,
"labels": ["person"],
"properties": {
"name": "Alon",
"val": 1
}
})
# Test converting a full edge.
query = """MATCH ({val: 0})-[e:works_with]->({val: 1}) RETURN toJSON(e)"""
actual_result = graph.query(query)
start = {
"id": 0,
"labels": ["person"],
"properties": {
"name": "Roi",
"val": 0
}
}
end = {
"id": 1,
"labels": ["person"],
"properties": {
"name": "Alon",
"val": 1
}
}
parsed = json.loads(actual_result.result_set[0][0])
self.env.assertEquals(
parsed, {
"type": "relationship",
"id": 12,
"relationship": "works_with",
"properties": {},
"start": start,
"end": end
})
# Test converting a path.
query = """MATCH path=({val: 0})-[e:works_with]->({val: 1}) RETURN toJSON(path)"""
actual_result = graph.query(query)
expected = [{
'type': 'node',
'id': 0,
'labels': ['person'],
'properties': {
'name': 'Roi',
'val': 0
}
}, {
'type': 'relationship',
'id': 12,
'relationship': 'works_with',
'properties': {},
'start': {
'id': 0,
'labels': ['person'],
'properties': {
'name': 'Roi',
'val': 0
}
},
'end': {
'id': 1,
'labels': ['person'],
'properties': {
'name': 'Alon',
'val': 1
}
}
}, {
'type': 'node',
'id': 1,
'labels': ['person'],
'properties': {
'name': 'Alon',
'val': 1
}
}]
parsed = json.loads(actual_result.result_set[0][0])
self.env.assertEquals(parsed, expected)
# Memory should be freed properly when the key values are heap-allocated.
def test18_allocated_keys(self):
query = """UNWIND ['str1', 'str1', 'str2', 'str1'] AS key UNWIND [1, 2, 3] as agg RETURN toUpper(key) AS key, collect(DISTINCT agg) ORDER BY key"""
actual_result = graph.query(query)
expected_result = [['STR1', [1, 2, 3]], ['STR2', [1, 2, 3]]]
self.env.assertEquals(actual_result.result_set, expected_result)
def test19_has_labels(self):
# Test existing label
query = """MATCH (n) WHERE n:person RETURN n.name"""
actual_result = graph.query(query)
expected_result = [['Roi'], ['Alon'], ['Ailon'], ['Boaz']]
self.env.assertEquals(actual_result.result_set, expected_result)
# Test not existing label
query = """MATCH (n) WHERE n:L RETURN n.name"""
actual_result = graph.query(query)
expected_result = []
self.env.assertEquals(actual_result.result_set, expected_result)
# Test multi label
query = """MATCH (n) WHERE n:person:L RETURN n.name"""
actual_result = graph.query(query)
expected_result = []
self.env.assertEquals(actual_result.result_set, expected_result)
# Test or between different labels label
query = """MATCH (n) WHERE n:person OR n:L RETURN n.name"""
actual_result = graph.query(query)
expected_result = [['Roi'], ['Alon'], ['Ailon'], ['Boaz']]
self.env.assertEquals(actual_result.result_set, expected_result)
# Test multi label using functions
query = """MATCH (n) WHERE hasLabels(n, ['person', 'L']) RETURN n.name"""
actual_result = graph.query(query)
expected_result = []
self.env.assertEquals(actual_result.result_set, expected_result)
# Test has labels using functions mismatch type
query = """MATCH (n) WHERE hasLabels(n, ['person', 1]) RETURN n.name"""
try:
graph.query(query)
except redis.ResponseError as e:
self.env.assertContains(
"Type mismatch: expected String but was Integer", str(e))
class testAlgebraicExpressionOrder(FlowTestsBase):
def __init__(self):
self.env = Env(decodeResponses=True)
global graph
redis_con = self.env.getConnection()
graph = Graph(GRAPH_ID, redis_con)
self.populate_graph()
def populate_graph(self):
# Construct a graph with the form:
# (a:A)-[:E]->(b:B), (c:C)-[:E]->(b)
a = Node(label="A", properties={"v": 1})
graph.add_node(a)
b = Node(label="B", properties={"v": 2})
graph.add_node(b)
c = Node(label="C", properties={"v": 3})
graph.add_node(c)
edge = Edge(a, "E", b)
graph.add_edge(edge)
edge = Edge(c, "E", b)
graph.add_edge(edge)
graph.commit()
# Test differing patterns with the same destination node.
def test01_same_destination_permutations(self):
# Each query should return the same two records.
expected_result = [[1, 2], [3, 2]]
# Neither the source nor the destination is labeled, perform an AllNodeScan from the source node.
query = """MATCH (a)-[:E]->(b) RETURN a.v, b.v ORDER BY a.v, b.v"""
plan = graph.execution_plan(query)
self.env.assertIn("All Node Scan | (a)", plan)
result = graph.query(query)
self.env.assertEquals(result.result_set, expected_result)
# Destination is labeled, perform a LabelScan from the destination node.
query = """MATCH (a)-[:E]->(b:B) RETURN a.v, b.v ORDER BY a.v, b.v"""
plan = graph.execution_plan(query)
self.env.assertIn("Node By Label Scan | (b:B)", plan)
result = graph.query(query)
self.env.assertEquals(result.result_set, expected_result)
# Destination is filtered, perform an AllNodeScan from the destination node.
query = """MATCH (a)-[:E]->(b) WHERE b.v = 2 RETURN a.v, b.v ORDER BY a.v, b.v"""
plan = graph.execution_plan(query)
self.env.assertIn("All Node Scan | (b)", plan)
result = graph.query(query)
self.env.assertEquals(result.result_set, expected_result)
# Destination is labeled but source is filtered, perform an AllNodeScan from the source node.
query = """MATCH (a)-[:E]->(b:B) WHERE a.v = 1 OR a.v = 3 RETURN a.v, b.v ORDER BY a.v, b.v"""
plan = graph.execution_plan(query)
self.env.assertIn("All Node Scan | (a)", plan)
result = graph.query(query)
self.env.assertEquals(result.result_set, expected_result)
# The subsequent queries will only return one record.
expected_result = [[3, 2]]
# Both are labeled and source is filtered, perform a LabelScan from the source node.
query = """MATCH (a:C)-[:E]->(b:B) WHERE a.v = 3 RETURN a.v, b.v ORDER BY a.v, b.v"""
plan = graph.execution_plan(query)
self.env.assertIn("Node By Label Scan | (a:C)", plan)
result = graph.query(query)
self.env.assertEquals(result.result_set, expected_result)
# Both are labeled and dest is filtered, perform a LabelScan from the dest node.
query = """MATCH (a:C)-[:E]->(b:B) WHERE b.v = 2 RETURN a.v, b.v ORDER BY a.v, b.v"""
plan = graph.execution_plan(query)
self.env.assertIn("Node By Label Scan | (b:B)", plan)
result = graph.query(query)
self.env.assertEquals(result.result_set, expected_result)