def setup(self):
import pandas as pd
odps_data = [
['name1', 1],
['name2', 2],
['name1', 3],
]
pd_data = [
['name1', 5],
['name2', 6]
]
names = ['name', 'id']
types = ['string', 'bigint']
table = tn('pyodps_df_mixed')
self.odps.delete_table(table, if_exists=True)
self.t = self.odps.create_table(table, Schema.from_lists(names, types))
with self.t.open_writer() as w:
w.write([self.t.new_record(r) for r in odps_data])
self.odps_df = DataFrame(self.t)
self.pd_df = DataFrame(pd.DataFrame(pd_data, columns=names))
self.engine = MixedEngine(self.odps)
self.pd_engine = PandasEngine(self.odps)
def testJoin(self):
expr = self.odps_df.join(self.pd_df, 'name').sort('id_x')
result = self.engine.execute(expr).values
df = DataFrame(self.odps_df.to_pandas())
expected = self.pd_engine.execute(df.join(self.pd_df, 'name').sort('id_x')).values
self.assertTrue(result.equals(expected))
def testCacheTable(self):
df = self.odps_df.join(self.pd_df, 'name').cache()
df2 = df.sort('id_x')
dag = self.engine._compile_dag(df2)
self.assertEqual(len(dag.nodes()), 3)
result = self.engine.execute(df2).values
df3 = DataFrame(self.odps_df.to_pandas())
expected = self.pd_engine.execute(df3.join(self.pd_df, 'name').sort('id_x')).values
self.assertTrue(result.equals(expected))
self.assertEqual(len(self.engine._generated_table_names), 2)
table = df._cache_data
self.assertEqual(len(df.execute()), len(expected))
self.assertIs(df._cache_data, table)
df4 = df[df.id_x < 3].count()
result = self.engine.execute(df4)
self.assertEqual(result, 2)
self.assertEqual(df4._cache_data, 2)
def testUnion(self):
expr = self.odps_df.union(self.pd_df).sort(['id', 'name'])
result = self.engine.execute(expr).values
df = DataFrame(self.odps_df.to_pandas())
expected = self.pd_engine.execute(df.union(self.pd_df).sort(['id', 'name'])).values
self.assertTrue(result.equals(expected))
def testPandasGroupbyFilter(self):
import pandas as pd
data = [
[2001, 1],
[2002, 2],
[2003, 3]
]
df = DataFrame(pd.DataFrame(data, columns=['id', 'fid']))
df2 = df.groupby('id').agg(df.fid.sum())
df3 = df2[df2.id == 2003]
expected = [
[2003, 3]
]
self.assertEqual(df3.execute().values.values.tolist(), expected)
df2 = df.groupby('id').agg(df.fid.sum())
df2.execute()
self.assertIsNotNone(df2._cache_data)
df3 = df2[df2.id == 2003]
self.assertEqual(df3.execute().values.values.tolist(), expected)
self.assertEqual(df3.execute().values.values.tolist(), expected)
df4 = df.fid.sum()
self.assertEqual(df4.execute(), 6)
self.assertEqual(df4.execute(), 6)
def test_normalize(self):
self.delete_table(IONOSPHERE_NORMALIZED_TABLE)
self.delete_table(IONOSPHERE_TABLE_ONE_PART)
self.create_ionosphere_one_part(IONOSPHERE_TABLE_ONE_PART)
df = DataFrame(self.odps.get_table(IONOSPHERE_TABLE_ONE_PART)).filter_partition('part=0, part=1')
normalize(df.exclude_fields('class')).persist(IONOSPHERE_NORMALIZED_TABLE)
def test_df_store(self):
self.delete_table(IONOSPHERE_SORTED_TABLE_PART)
self.create_ionosphere_two_parts(IONOSPHERE_TABLE_TWO_PARTS)
df = DataFrame(self.odps.get_table(IONOSPHERE_TABLE_TWO_PARTS)).filter_partition('part1=1,part2=2')
drop_table(self.odps, IONOSPHERE_SORTED_TABLE_PART, async=False)
sorted_df = df.groupby(df['class']).agg(df.a01.count().rename('count')).sort('class', ascending=False)
sorted_df.persist(IONOSPHERE_SORTED_TABLE_PART)
def test_batch_persist(self):
options.runner.dry_run = False
call_seq = []
dfs = []
tables = []
for idx in range(3):
write_str = "F%d" % idx
def gen_fun(wobj):
return lambda _: call_seq.append(wobj)
f = gen_fun((write_str, "U"))
df_upper = self.mock_action(self.df, action=f)
f = gen_fun((write_str, "D"))
df_lower = self.mock_action(df_upper, action=f)
dfs.append(df_lower)
tables.append("TN" + str(idx))
DataFrame.batch_persist(dfs, tables)
for idx in range(3):
write_str = "F%d" % idx
self.assertListEqual([p[1] for p in call_seq if p[0] == write_str], list("UD"))
for dir in "UD":
self.assertListEqual(sorted(p[0] for p in call_seq if p[1] == dir), ["F0", "F1", "F2"])
def testCachePersist(self):
expr = self.odps_df
data2 = [["name1", 3.2], ["name3", 2.4]]
table_name = tn("pyodps_test_mixed_engine_cp_table2")
self.odps.delete_table(table_name, if_exists=True)
table2 = self.odps.create_table(
name=table_name, schema=Schema.from_lists(["name", "fid"], ["string", "double"])
)
expr2 = DataFrame(table2)
self.odps.write_table(table2, 0, data2)
@output(expr.schema.names, expr.schema.types)
def h(row):
yield row
l = expr.filter(expr.id > 0).apply(h, axis=1).cache()
r = expr2.filter(expr2.fid > 0)
joined = l.join(r, on=["name", r.fid < 4])["id", "fid"].cache()
output_table = tn("pyodps_test_mixed_engine_cp_output_table")
self.odps.delete_table(output_table, if_exists=True)
schema = Schema.from_lists(["id", "fid"], ["bigint", "double"], ["ds"], ["string"])
output_t = self.odps.create_table(output_table, schema, if_not_exists=True)
t = joined.persist(output_table, partition="ds=today", create_partition=True)
self.assertEqual(len(t.execute()), 2)
output_t.drop()
def persist(self, line):
try:
import pandas as pd
has_pandas = True
except ImportError:
has_pandas = False
self._set_odps()
line = line.strip().strip(';')
frame_name, table_name = line.split(None, 1)
if '.' in table_name:
project_name, table_name = tuple(table_name.split('.', 1))
else:
project_name = None
frame = self.shell.user_ns[frame_name]
if self._odps.exist_table(table_name, project=project_name):
raise TypeError('%s already exists' % table_name)
if isinstance(frame, DataFrame):
frame.persist(name=table_name, project=project_name, notify=False)
elif has_pandas and isinstance(frame, pd.DataFrame):
frame = DataFrame(frame)
frame.persist(name=table_name, project=project_name, notify=False)
html_notify('Persist succeeded')
def test_direct_method(self):
self.create_ionosphere(IONOSPHERE_TABLE)
df = DataFrame(self.odps.get_table(IONOSPHERE_TABLE)).roles(label='class')
train, test = df.split(0.6)
lr = LogisticRegression(epsilon=0.01)
model = lr.train(train)
predicted = model.predict(test)
predicted.to_pandas()
def test_kmeans(self):
self.delete_table(IONOSPHERE_CLUSTER_LABEL_TABLE)
self.delete_offline_model(IONOSPHERE_CLUSTER_MODEL)
df = DataFrame(self.odps.get_table(IONOSPHERE_TABLE))
labeled, model = KMeans(center_count=3).transform(df.exclude_fields('class'))
model.persist(IONOSPHERE_CLUSTER_MODEL, delay=True)
pmml = model.load_pmml()
print(pmml)
eresult = calinhara_score(labeled, model)
print(eresult)
def testHeadAndTail(self):
df = DataFrame(self.table)
self.assertEqual(1, len(df.head(1)))
self.assertEqual(2, len(df.head(2)))
self.assertEqual([3, 'name3'], list(df.tail(1)[0]))
r = df[df.name == 'name2'].head(1)
self.assertEqual(1, len(r))
self.assertEqual([2, 'name2'], list(r[0]))
def test_df_consecutive(self):
self.create_ionosphere(IONOSPHERE_TABLE)
df = DataFrame(self.odps.get_table(IONOSPHERE_TABLE))
df = df[df['a04'] != 0]
df = df.roles(label='class')
df.head(10)
train, test = df.split(0.6)
lr = LogisticRegression(epsilon=0.01)
model = lr.train(train)
predicted = model.predict(test)
predicted.to_pandas()
def testHeadAndTail(self):
df = DataFrame(self.table)
self.assertEqual(1, len(df.head(1)))
self.assertEqual(2, len(df.head(2)))
self.assertEqual([3, 'name3'], list(df.tail(1)[0]))
r = df[df.name == 'name2'].head(1)
self.assertEqual(1, len(r))
self.assertEqual([2, 'name2'], list(r[0]))
self.assertRaises(NotImplementedError, lambda: df[df.name == 'name2'].tail(1))
def test_mock_kmeans(self):
options.runner.dry_run = True
self.maxDiff = None
df = DataFrame(self.odps.get_table(IONOSPHERE_TABLE))
labeled, model = KMeans(center_count=3).transform(df.exclude_fields('class'))
labeled._add_case(self.gen_check_params_case(
{'inputTableName': IONOSPHERE_TABLE, 'centerCount': '3', 'distanceType': 'euclidean',
'idxTableName': IONOSPHERE_CLUSTER_LABEL_TABLE, 'initCentersMethod': 'sample',
'modelName': 'pm_k_means_0_2', 'appendColsIndex': ','.join('%d' % i for i in range(0, 35)),
'selectedColNames': ','.join('a%02d' % i for i in range(1, 35)), 'loop': '100', 'accuracy': '0.0'}))
labeled.persist(IONOSPHERE_CLUSTER_LABEL_TABLE)
def testPandasPersist(self):
import pandas as pd, numpy as np
self.odps.to_global()
tmp_table_name = tn('pyodps_test_mixed_persist')
self.odps.delete_table(tmp_table_name, if_exists=True)
pd_df = pd.DataFrame(np.arange(9).reshape(3, 3), columns=list('abc'))
df = DataFrame(pd_df).persist(tmp_table_name)
self.assertPandasEqual(df.to_pandas(), pd_df)
self.odps.delete_table(tmp_table_name)
def test_df_combined(self):
self.create_ionosphere(IONOSPHERE_TABLE)
df = DataFrame(self.odps.get_table(IONOSPHERE_TABLE))
df = df[df['a04'] != 0]
df = df['a01', df.a05.map(lambda v: v * 2).rename('a05'), 'a06', 'class']
df = df.roles(label='class')
df = df[df.a05 != 0].cache()
df = df[df.a05, ((df.a06 + 1) / 2).rename('a06'), 'class']
train, test = df.split(0.6)
lr = LogisticRegression(epsilon=0.01)
model = lr.train(train)
predicted = model.predict(test)
(- 1.0 * ((predicted['class'] * predicted.prediction_score.log().rename('t')).rename('t1') + (
(1 - predicted['class']) * (1 - predicted.prediction_score).log().rename('t0')).rename('t2')).rename(
't3').sum() / predicted.prediction_score.count()).rename('t4').execute()
def testMixed(self):
expr = self.odps_df.union(
self.odps_df.join(self.pd_df, "name")[lambda x: x.name, lambda x: x.id_x.rename("id")]
).sort(["name", "id"])
expr = expr[expr["name"].isin(self.pd_df["name"])]
result = self.engine.execute(expr).values
df = DataFrame(self.odps_df.to_pandas())
test_expr = df.union(df.join(self.pd_df, "name")[lambda x: x.name, lambda x: x.id_x.rename("id")]).sort(
["name", "id"]
)
test_expr = test_expr[test_expr["name"].isin(self.pd_df["name"])]
expected = self.pd_engine.execute(test_expr).values
self.assertTrue(result.equals(expected))
def testExtractKV(self):
data = [
["name1", "k1=1,k2=3,k5=10", "1=5,3=7,2=1"],
["name1", "", "3=1,4=2"],
["name1", "k1=7.1,k7=8.2", "1=1,5=6"],
["name2", "k2=1.2,k3=1.5", None],
["name2", "k9=1.1,k2=1", "4=2"],
]
table_name = tn("pyodps_test_mixed_engine_extract_kv")
self.odps.delete_table(table_name, if_exists=True)
table = self.odps.create_table(
name=table_name, schema=Schema.from_lists(["name", "kv", "kv2"], ["string", "string", "string"])
)
expr = DataFrame(table)
try:
self.odps.write_table(table, 0, data)
expr1 = expr.extract_kv(columns=["kv", "kv2"], kv_delim="=")
res = self.engine.execute(expr1)
result = self._get_result(res)
expected_cols = [
"name",
"kv_k1",
"kv_k2",
"kv_k3",
"kv_k5",
"kv_k7",
"kv_k9",
"kv2_1",
"kv2_2",
"kv2_3",
"kv2_4",
"kv2_5",
]
expected = [
["name1", 1.0, 3.0, None, 10.0, None, None, 5.0, 1.0, 7.0, None, None],
["name1", None, None, None, None, None, None, None, None, 1.0, 2.0, None],
["name1", 7.1, None, None, None, 8.2, None, 1.0, None, None, None, 6.0],
["name2", None, 1.2, 1.5, None, None, None, None, None, None, None, None],
["name2", None, 1.0, None, None, None, 1.1, None, None, None, 2.0, None],
]
self.assertListEqual([c.name for c in res.columns], expected_cols)
self.assertEqual(result, expected)
finally:
table.drop()
class TestSparseClassifiers(MLTestBase):
def setUp(self):
super(TestSparseClassifiers, self).setUp()
self.create_iris_kv(IRIS_KV_TABLE)
self.df = DataFrame(self.odps.get_table(IRIS_KV_TABLE)).label_field('category').key_value('content')
def tearDown(self):
super(TestSparseClassifiers, self).tearDown()
@ci_skip_case
def test_logistic_regression(self):
options.runner.dry_run = False
self.delete_table(LR_TEST_TABLE)
self.delete_offline_model(MODEL_NAME)
splited = self.df.split(0.6)
lr = LogisticRegression(epsilon=0.001).set_max_iter(50)
model = lr.train(splited[0])
model.persist(MODEL_NAME)
predicted = model.predict(splited[1])
# persist is an operational node which will trigger execution of the flow
predicted.persist(LR_TEST_TABLE)
fpr, tpr, thresh = roc_curve(predicted, "category")
assert len(fpr) == len(tpr) and len(thresh) == len(fpr)
def test_mock_xgboost(self):
options.runner.dry_run = True
splited = self.df.split(0.6)
lr = Xgboost()
model = lr.train(splited[0])._add_case(self.gen_check_params_case(
{'labelColName': 'category', 'modelName': MODEL_NAME, 'colsample_bytree': '1', 'silent': '1',
'eval_metric': 'error', 'eta': '0.3', 'itemDelimiter': ',', 'kvDelimiter': ':',
'inputTableName': TEMP_TABLE_PREFIX + '0_split_2_1', 'max_delta_step': '0', 'enableSparse': 'true',
'base_score': '0.5', 'seed': '0', 'min_child_weight': '1', 'objective': 'binary:logistic',
'featureColNames': 'content', 'max_depth': '6', 'gamma': '0', 'booster': 'gbtree'}))
model.persist(MODEL_NAME)
predicted = model.predict(splited[1])._add_case(self.gen_check_params_case(
{'itemDelimiter': ',', 'modelName': MODEL_NAME, 'appendColNames': 'content,category',
'inputTableName': TEMP_TABLE_PREFIX + '0_split_2_2', 'enableSparse': 'true',
'outputTableName': XGBOOST_TEST_TABLE, 'kvDelimiter': ':', 'featureColNames': 'content'}))
# persist operational node which will trigger execution of the flow
predicted.persist(XGBOOST_TEST_TABLE)
def test_mock_xgboost(self):
df = DataFrame(self.odps.get_table(IONOSPHERE_TABLE)).roles(label='class')
splited = df.split(0.6)
xgboost = Xgboost()
model = xgboost.train(splited[0])._add_case(self.gen_check_params_case({
'labelColName': 'class', 'modelName': MODEL_NAME, 'colsample_bytree': '1', 'silent': '1',
'eval_metric': 'error', 'eta': '0.3', 'inputTableName': TEMP_TABLE_PREFIX + '0_split_2_1', 'max_delta_step': '0',
'base_score': '0.5', 'seed': '0', 'min_child_weight': '1', 'objective': 'reg:linear',
'featureColNames': ','.join('a%02d' % i for i in range(1, 35)),
'max_depth': '6', 'gamma': '0', 'booster': 'gbtree'}))
model.persist(MODEL_NAME)
predicted = model.predict(splited[1])._add_case(self.gen_check_params_case({
'modelName': MODEL_NAME, 'appendColNames': ','.join('a%02d' % i for i in range(1, 35)) + ',class',
'outputTableName': XGBOOST_OUT_TABLE, 'inputTableName': TEMP_TABLE_PREFIX + '0_split_2_2'}))
# persist is an operational node which will trigger execution of the flow
predicted.persist(XGBOOST_OUT_TABLE)
def test_mock_gbdt(self):
df = DataFrame(self.odps.get_table(IONOSPHERE_TABLE)).roles(label='class')
splited = df.split(0.6)
gbdt = GBDT(min_leaf_sample_count=10)
model = gbdt.train(splited[0])._add_case(self.gen_check_params_case({
'tau': '0.6', 'modelName': MODEL_NAME, 'inputTableName': TEMP_TABLE_PREFIX + '0_split_2_1', 'maxLeafCount': '32',
'shrinkage': '0.05', 'featureSplitValueMaxSize': '500', 'featureRatio': '0.6', 'testRatio': '0.0',
'newtonStep': '0', 'randSeed': '0', 'sampleRatio': '0.6', 'p': '1', 'treeCount': '500', 'metricType': '2',
'labelColName': 'class', 'featureColNames': ','.join('a%02d' % i for i in range(1, 35)),
'minLeafSampleCount': '10', 'lossType': '3', 'maxDepth': '11'}))
model.persist(MODEL_NAME)
predicted = model.predict(splited[1])._add_case(self.gen_check_params_case({
'modelName': MODEL_NAME, 'appendColNames': ','.join('a%02d' % i for i in range(1, 35)) + ',class',
'outputTableName': GBDT_OUT_TABLE, 'inputTableName': TEMP_TABLE_PREFIX + '0_split_2_2'}))
# persist is an operational node which will trigger execution of the flow
predicted.persist(GBDT_OUT_TABLE)
def testMixed(self):
expr = self.odps_df.union(
self.odps_df.join(self.pd_df,
'name')[lambda x: x.name,
lambda x: x.id_x.rename('id')]).sort(
['name', 'id'])
expr = expr[expr['name'].isin(self.pd_df['name'])]
expr = expr[expr, func.rand(rtype='float').rename('rand')]
result = self.engine.execute(expr).values[['name', 'id']]
df = DataFrame(self.odps_df.to_pandas())
test_expr = df.union(
df.join(self.pd_df, 'name')[lambda x: x.name,
lambda x: x.id_x.rename('id')]).sort(
['name', 'id'])
test_expr = test_expr[test_expr['name'].isin(self.pd_df['name'])]
expected = self.pd_engine.execute(test_expr).values
self.assertTrue(result.equals(expected))
def testUnicodePdDataFrame(self):
import pandas as pd
pd_df = pd.DataFrame([['中文'], [to_text('中文2')]],
columns=[to_text('字段')])
df = DataFrame(pd_df)
r = df['字段'].execute()
self.assertEqual(to_text('中文'), to_text(r[0][0]))
self.assertEqual(to_text('中文2'), to_text(r[1][0]))
def test_keywords_extraction(self):
self.odps.delete_table(KW_EXTRACTED_TABLE, if_exists=True)
self.create_splited_words(SPLITED_TABLE)
df = DataFrame(self.odps.get_table(SPLITED_TABLE)).roles(doc_id='doc_id', doc_content='content')
extracted = extract_keywords(df)
extracted._add_case(self.gen_check_params_case(
{'dumpingFactor': '0.85', 'inputTableName': SPLITED_TABLE, 'epsilon': '0.000001', 'windowSize': '2',
'topN': '5', 'outputTableName': KW_EXTRACTED_TABLE, 'docIdCol': 'doc_id', 'maxIter': '100',
'docContent': 'content'}))
extracted.persist(KW_EXTRACTED_TABLE)
def testToPandas(self):
table_name = tn('pyodps_test_mixed_engine_to_pandas')
self.odps.delete_table(table_name, if_exists=True)
table2 = self.odps.create_table(name=table_name,
schema=Schema.from_lists(['col%s' % i for i in range(7)],
['bigint', 'double', 'string', 'datetime',
'boolean', 'decimal', 'datetime']))
expr2 = DataFrame(table2)
data2 = [
[1234567, 3.14, 'test', datetime(2016, 6, 1), True, Decimal('3.14'), None]
]
self.odps.write_table(table2, 0, data2)
pd_df = expr2.to_pandas()
self.assertSequenceEqual(data2[0], pd_df.ix[0].tolist())
wrapeed_pd_df = expr2.to_pandas(wrap=True)
self.assertSequenceEqual(data2[0], list(next(wrapeed_pd_df.execute())))
def test_top_n(self):
self._create_str_compare_table(STR_COMP_TABLE)
df = DataFrame(self.odps.get_table(STR_COMP_TABLE))
top_n_df = top_n_similarity(df, df, col='col1', map_col='col1')
top_n_df._add_case(self.gen_check_params_case({
'inputTableName': STR_COMP_TABLE, 'k': '2', 'outputColName': 'output',
'mapSelectedColName': 'col1', 'topN': '10', 'inputSelectedColName': 'col1',
'outputTableName': TOP_N_TABLE, 'mapTableName': self.odps.project + '.' + STR_COMP_TABLE,
'method': 'levenshtein_sim', 'lambda': '0.5'}))
top_n_df.persist(TOP_N_TABLE)
def setUp(self):
super(Test, self).setUp()
self.create_weighted_graph_edges(WEIGHTED_GRAPH_EDGE_TABLE)
self.create_weighted_graph_vertices(WEIGHTED_GRAPH_VERTEX_TABLE)
self.vertex_df = DataFrame(self.odps.get_table(WEIGHTED_GRAPH_VERTEX_TABLE)) \
.roles(vertex_label='label', vertex_weight='node_weight').vertex_id_field('node')
self.edge_df = DataFrame(self.odps.get_table(WEIGHTED_GRAPH_EDGE_TABLE)) \
.roles(from_vertex='flow_out_id', to_vertex='flow_in_id', edge_weight='edge_weight')
options.runner.dry_run = True
def test_df_combined(self):
self.create_ionosphere(IONOSPHERE_TABLE)
df = DataFrame(self.odps.get_table(IONOSPHERE_TABLE))
df = df[df['a04'] != 0]
df = df['a01',
df.a05.map(lambda v: v * 2).rename('a05'), 'a06', 'class']
df = df.roles(label='class')
df = df[df.a05 != 0].cache()
df = df[df.a05, ((df.a06 + 1) / 2).rename('a06'), 'class']
train, test = df.split(0.6)
lr = LogisticRegression(epsilon=0.01)
model = lr.train(train)
predicted = model.predict(test)
(-1.0 *
((predicted['class'] *
predicted.prediction_score.log().rename('t')).rename('t1') +
((1 - predicted['class']) *
(1 - predicted.prediction_score).log().rename('t0')).rename('t2')
).rename('t3').sum() /
predicted.prediction_score.count()).rename('t4').execute()
def testSparseVectorToMars(self):
import pandas as pd
import numpy as np
shape = (50, )
data = np.random.rand(*shape)
kv = [(i, data[i]) for i in range(shape[0])]
pdf = pd.DataFrame(kv, columns=['i', 'v'])
df = DataFrame(pdf).persist(tn('test_vector_to_mars'),
lifecycle=1,
odps=self.odps)
oss_access_id, oss_secret_access_key, oss_bucket_name, oss_endpoint = self.config.oss
t = df.to_mars_tensor_via_oss(['i'],
'v',
15,
oss_access_id=oss_access_id,
oss_access_key=oss_secret_access_key,
oss_bucket_name=oss_bucket_name,
oss_endpoint=oss_endpoint,
oss_path=tn('test_vector_to_mars'),
shape=shape,
sparse=True)
table_name = tn('test_vector_to_mars_store')
self.odps.delete_table(table_name, if_exists=True)
self.odps.persist_tensor_via_oss(t,
table_name, ['x'],
'y',
oss_access_id=oss_access_id,
oss_access_key=oss_secret_access_key,
oss_bucket_name=oss_bucket_name,
oss_endpoint=oss_endpoint,
oss_path=table_name)
with self.odps.get_table(table_name).open_reader() as reader:
result = sorted([(r['x'], r['y']) for r in reader],
key=lambda x: x[0])
self.assertEqual(kv, result)
def testPivot(self):
data = [["name1", 1, 1.0, True], ["name1", 2, 2.0, True], ["name2", 1, 3.0, False], ["name2", 3, 4.0, False]]
table_name = tn("pyodps_test_mixed_engine_pivot")
self.odps.delete_table(table_name, if_exists=True)
table = self.odps.create_table(
name=table_name,
schema=Schema.from_lists(["name", "id", "fid", "ismale"], ["string", "bigint", "double", "boolean"]),
)
expr = DataFrame(table)
try:
self.odps.write_table(table, 0, data)
expr1 = expr.pivot(rows="id", columns="name", values="fid").distinct()
res = self.engine.execute(expr1)
result = self._get_result(res)
expected = [[1, 1.0, 3.0], [2, 2.0, None], [3, None, 4.0]]
self.assertEqual(sorted(result), sorted(expected))
expr2 = expr.pivot(rows="id", columns="name", values=["fid", "ismale"])
res = self.engine.execute(expr2)
result = self._get_result(res)
expected = [[1, 1.0, 3.0, True, False], [2, 2.0, None, True, None], [3, None, 4.0, None, False]]
self.assertEqual(sorted(result), sorted(expected))
expr3 = expr.pivot(rows="id", columns="name", values="fid")["name3"]
with self.assertRaises(ValueError) as cm:
self.engine.execute(expr3)
self.assertIn("name3", str(cm.exception))
expr4 = expr.pivot(rows="id", columns="name", values="fid")["id", "name1"]
res = self.engine.execute(expr4)
result = self._get_result(res)
expected = [[1, 1.0], [2, 2.0], [3, None]]
self.assertEqual(sorted(result), sorted(expected))
expr5 = expr.pivot(rows="id", columns="name", values="fid")
expr5 = expr5[expr5, (expr5["name1"].astype("int") + 1).rename("new_name")]
res = self.engine.execute(expr5)
result = self._get_result(res)
expected = [[1, 1.0, 3.0, 2.0], [2, 2.0, None, 3.0], [3, None, 4.0, None]]
self.assertEqual(sorted(result), sorted(expected))
expr6 = expr.pivot(rows="id", columns="name", values="fid")
expr6 = expr6.join(self.odps_df, on="id")[expr6, "name"]
res = self.engine.execute(expr6)
result = self._get_result(res)
expected = [[1, 1.0, 3.0, "name1"], [2, 2.0, None, "name2"], [3, None, 4.0, "name1"]]
self.assertEqual(sorted(result), sorted(expected))
finally:
table.drop()
def create_many_rows(o):
table = 'many_rows'
if not o.exist_table(table):
df = pd.DataFrame({'a': np.arange(10000, dtype=np.int32)})
o.execute_sql("""
CREATE TABLE many_rows (
a INT
) PARTITIONED BY (
b STRING
)
""")
DataFrame(df).persist('many_rows', partition="b='blah'", odps=o)
def testFilterPartition(self):
self.assertRaises(ExpressionError, lambda: self.expr.filter_partition(None))
self.assertRaises(ExpressionError, lambda: self.expr.filter_partition('part1=a/part2=1,part1=b/part2=2'))
self.assertRaises(ExpressionError, lambda: self.expr2.filter_partition('part1/part2=1,part1=b/part2=2'))
filtered1 = self.expr2.filter_partition('part1=a/part2=1,part1=b/part2=2')
self.assertIsInstance(filtered1, FilterPartitionCollectionExpr)
self.assertEqual(filtered1.schema, self.expr.schema)
self.assertEqual(filtered1.predicate_string, 'part1=a/part2=1,part1=b/part2=2')
filtered2 = self.expr2.filter_partition('part1=a/part2=1,part1=b/part2=2', exclude=False)
self.assertIsInstance(filtered2, FilterCollectionExpr)
try:
import pandas as pd
from odps.df import DataFrame
pd_df = pd.DataFrame([['Col1', 1], ['Col2', 2]], columns=['Field1', 'Field2'])
df = DataFrame(pd_df)
self.assertRaises(ExpressionError, lambda: df.filter_partition('Fieldd2=2'))
except ImportError:
pass
def setup(self):
datatypes = lambda *types: [validate_data_type(t) for t in types]
schema = Schema.from_lists(
['name', 'category', 'id', 'fid', 'isMale', 'scale', 'birth'],
datatypes('string', 'string', 'int64', 'float64', 'boolean',
'decimal', 'datetime'))
self.schema = df_schema_to_odps_schema(schema)
import pandas as pd
self.data = self._gen_data(20, value_range=(-1000, 1000))
self.df = pd.DataFrame(self.data, columns=schema.names)
self.expr = DataFrame(self.df, schema=schema)
def test_t_test(self):
options.ml.dry_run = True
ds = DataFrame(self.odps.get_table(IONOSPHERE_TABLE)).roles(label='class')
t_test(ds, x_col='a04', _cases=self.gen_check_params_case(
{'mu': '0', 'outputTableName': TEMP_TABLE_PREFIX + '_t_test', 'confidenceLevel': '0.95',
'xTableName': self.odps.project + '.' + IONOSPHERE_TABLE, 'alternative': 'two.sided', 'xColName': 'a04'}))
t_test(ds, x_col='a04', y_col='a05', _cases=self.gen_check_params_case(
{'yTableName': self.odps.project + '.' + IONOSPHERE_TABLE, 'yColName': 'a05', 'mu': '0',
'outputTableName': TEMP_TABLE_PREFIX + '_t_test', 'confidenceLevel': '0.95',
'xTableName': self.odps.project + '.' + IONOSPHERE_TABLE, 'alternative': 'two.sided',
'xColName': 'a04'}))
def setup(self):
import pandas as pd
odps_data = [["name1", 1], ["name2", 2], ["name1", 3]]
pd_data = [["name1", 5], ["name2", 6]]
names = ["name", "id"]
types = ["string", "bigint"]
table = tn("pyodps_df_mixed")
self.odps.delete_table(table, if_exists=True)
self.t = self.odps.create_table(table, Schema.from_lists(names, types))
with self.t.open_writer() as w:
w.write([self.t.new_record(r) for r in odps_data])
self.odps_df = DataFrame(self.t)
self.pd_df = DataFrame(pd.DataFrame(pd_data, columns=names))
self.engine = MixedEngine(self.odps)
self.pd_engine = PandasEngine(self.odps)
def testToPandas(self):
table_name = tn('pyodps_test_mixed_engine_to_pandas')
self.odps.delete_table(table_name, if_exists=True)
table2 = self.odps.create_table(name=table_name,
schema=Schema.from_lists(['col%s' % i for i in range(7)],
['bigint', 'double', 'string', 'datetime',
'boolean', 'decimal', 'datetime']))
expr2 = DataFrame(table2)
data2 = [
[1234567, 3.14, 'test', datetime(2016, 6, 1), True, Decimal('3.14'), None]
]
self.odps.write_table(table2, 0, data2)
pd_df = expr2.to_pandas()
self.assertSequenceEqual(data2[0], pd_df.ix[0].tolist())
wrapped_pd_df = expr2.to_pandas(wrap=True)
self.assertSequenceEqual(data2[0], list(next(wrapped_pd_df.execute())))
pd_df_col = expr2.col0.to_pandas()
self.assertSequenceEqual([data2[0][0]], pd_df_col.tolist())
wrapped_pd_df_col = expr2.col0.to_pandas(wrap=True)
self.assertSequenceEqual([data2[0][0]], list(next(wrapped_pd_df_col.execute())))
pd_df_future = expr2.to_pandas(async=True)
self.assertSequenceEqual(data2[0], pd_df_future.result().ix[0].tolist())
wrapped_pd_df_future = expr2.to_pandas(async=True, wrap=True)
self.assertSequenceEqual(data2[0], list(next(wrapped_pd_df_future.result().execute())))
delay = Delay()
pd_df_future = expr2.to_pandas(delay=delay)
delay.execute()
self.assertSequenceEqual(data2[0], pd_df_future.result().ix[0].tolist())
exc_future = (expr2.col0 / 0).to_pandas(async=True)
self.assertRaises(ODPSError, exc_future.result)
def testExecuteAfterModelCreate(self):
from odps.ml import classifiers
from odps.ml.expr.models.pmml import PmmlRegressionResult
self.create_iris(IRIS_TABLE)
df = DataFrame(self.odps.get_table(IRIS_TABLE)).roles(label='category')
model = classifiers.LogisticRegression().train(df)
model.persist(IRIS_TEST_OFFLINE_MODEL, drop_model=True)
expr = PmmlModel(self.odps.get_offline_model(IRIS_TEST_OFFLINE_MODEL))
result = expr.execute()
self.assertIsInstance(result, PmmlRegressionResult)
def testFilterParts(self):
self.assertRaises(ExpressionError, lambda: self.expr.filter_parts(None))
self.assertRaises(ExpressionError, lambda: self.expr.filter_parts('part3=a'))
self.assertRaises(ExpressionError, lambda: self.expr.filter_parts('part1=a,part2=1/part1=b,part2=2'))
self.assertRaises(ExpressionError, lambda: self.expr2.filter_parts('part1,part2=1/part1=b,part2=2'))
filtered1 = self.expr2.filter_parts('part1=a,part2=1/part1=b,part2=2')
self.assertIsInstance(filtered1, FilterPartitionCollectionExpr)
self.assertEqual(filtered1.schema, self.expr.schema)
self.assertEqual(filtered1.predicate_string, 'part1=a,part2=1/part1=b,part2=2')
filtered2 = self.expr2.filter_parts('part1=a,part2=1/part1=b,part2=2', exclude=False)
self.assertIsInstance(filtered2, FilterCollectionExpr)
try:
import pandas as pd
from odps.df import DataFrame
pd_df = pd.DataFrame([['Col1', 1], ['Col2', 2]], columns=['Field1', 'Field2'])
df = DataFrame(pd_df)
self.assertRaises(ExpressionError, lambda: df.filter_parts('Fieldd2=2'))
except ImportError:
pass
def test_merge(self):
self.odps.delete_table(TEMP_TABLE_1_NAME, if_exists=True)
self.odps.execute_sql("create table {0} (col11 string, col12 string) lifecycle 1".format(TEMP_TABLE_1_NAME))
self.odps.delete_table(TEMP_TABLE_2_NAME, if_exists=True)
self.odps.execute_sql("create table {0} (col21 string, col22 string) lifecycle 1".format(TEMP_TABLE_2_NAME))
df1 = DataFrame(self.odps.get_table(TEMP_TABLE_1_NAME))
df2 = DataFrame(self.odps.get_table(TEMP_TABLE_2_NAME))
self.assertRaises(ValueError, lambda: merge_data(df1))
merged1 = merge_data(df1, df2)
self.assertEqual(_df_roles(merged1), dict(col21="FEATURE", col11="FEATURE", col12="FEATURE", col22="FEATURE"))
merged2 = merge_data((df1, "col11"), (df2, "col21", True))
self.assertEqual(_df_roles(merged2), dict(col11="FEATURE", col22="FEATURE"))
merged3 = merge_data((df1, "col11"), (df2, "col21", True), auto_rename=True)
self.assertEqual(_df_roles(merged3), dict(t0_col11="FEATURE", t1_col22="FEATURE"))
merged4 = df1.merge_with(df2)
self.assertEqual(_df_roles(merged4), dict(col21="FEATURE", col11="FEATURE", col12="FEATURE", col22="FEATURE"))
def test_linear(self):
options.runner.dry_run = False
self.delete_table(LINEAR_REGRESSION_OUT_TABLE)
self.delete_offline_model(MODEL_NAME)
df = DataFrame(self.odps.get_table(IONOSPHERE_TABLE)).roles(label='class')
splited = df.split(0.6)
algo = LinearRegression()
model = algo.train(splited[0])
model.persist(MODEL_NAME)
logging.info('Importance: ', regression_importance(splited[1], model))
predicted = model.predict(splited[1])
# persist is an operational node which will trigger execution of the flow
predicted.persist(LINEAR_REGRESSION_OUT_TABLE)
logging.info('MSE: ', mean_squared_error(predicted, 'class'))
logging.info('MAE: ', mean_absolute_error(predicted, 'class'))
logging.info('HIST: ', residual_histogram(predicted, 'class'))
logging.info('MSE: ', pearson(predicted, col1='class'))
def testCreateDataFrameFromPartition(self):
from odps.types import PartitionSpec
test_table_name = tn('pyodps_test_dataframe_partition')
schema = Schema.from_lists(['id', 'name'], ['bigint', 'string'], ['ds'], ['string'])
self.odps.delete_table(test_table_name, if_exists=True)
table = self.odps.create_table(test_table_name, schema)
with table.open_writer('ds=today', create_partition=True) as w:
w.write([[1, 'name1'], [2, 'name2'], [3, 'name3']])
try:
df = DataFrame(table.get_partition('ds=today'))
self.assertEqual(df.count().execute(), 3)
df = table.get_partition('ds=today').to_df()
partition = df.data
self.assertIs(partition.table, table)
self.assertEqual(partition.partition_spec, PartitionSpec('ds=today'))
self.assertEqual(df.count().execute(), 3)
finally:
table.drop()
def test_custom_algo(self):
options.ml.dry_run = True
df = DataFrame(self.odps.get_table(IONOSPHERE_TABLE))
splited = df.split(0.6)
labeled_data = splited[0].label_field("class")
naive_bayes = MyNaiveBayes()
model = naive_bayes.train(labeled_data)._add_case(
self.gen_check_params_case({
'labelColName':
'class',
'featureColNames':
','.join('a%02d' % i for i in range(1, 35)),
'modelName':
MODEL_NAME,
'inputTableName':
TEMP_TABLE_PREFIX + '_split'
}))
model.persist(MODEL_NAME)
predicted = model.predict(splited[1])
predicted.persist(MODEL_NAME)
def testPandasPersistODPS2(self):
import pandas as pd
import numpy as np
data_int8 = np.random.randint(0, 10, (1,), dtype=np.int8)
data_int16 = np.random.randint(0, 10, (1,), dtype=np.int16)
data_int32 = np.random.randint(0, 10, (1,), dtype=np.int32)
data_int64 = np.random.randint(0, 10, (1,), dtype=np.int64)
data_float32 = np.random.random((1,)).astype(np.float32)
data_float64 = np.random.random((1,)).astype(np.float64)
df = DataFrame(pd.DataFrame(dict(data_int8=data_int8, data_int16=data_int16,
data_int32=data_int32, data_int64=data_int64,
data_float32=data_float32, data_float64=data_float64)))
tmp_table_name = tn('pyodps_test_mixed_persist_odps2_types')
self.odps.delete_table(tmp_table_name, if_exists=True)
df.persist(tmp_table_name, lifecycle=1, drop_table=True, odps=self.odps)
t = self.odps.get_table(tmp_table_name)
expected_types = [odps_types.tinyint, odps_types.smallint, odps_types.int_,
odps_types.bigint, odps_types.float_, odps_types.double]
self.assertEqual(expected_types, t.schema.types)
def testIsIn(self):
expr = self.odps_df['name'].isin(self.pd_df['name']).rename('isin')
result = self.engine.execute(expr).values
df = DataFrame(self.odps_df.to_pandas())
expected = self.pd_engine.execute(df['name'].isin(self.pd_df['name']).rename('isin')).values
self.assertTrue(result.equals(expected))
expr = (self.odps_df.id + 2).isin(self.pd_df['id']).rename('isin')
res = self.engine.execute(expr)
result = self._get_result(res)
expected = [[False], [False], [True]]
self.assertEqual(result, expected)
def test_mat_pearson(self):
options.ml.dry_run = True
df = DataFrame(
self.odps.get_table(IONOSPHERE_TABLE)).roles(label='class')
matrix_pearson(df,
_cases=self.gen_check_params_case({
'outputTableName':
'tmp_pyodps__matrix_pearson',
'selectedColNames':
','.join('a%02d' % i for i in range(1, 35)),
'inputTableName':
tn('pyodps_test_ml_ionosphere')
}))
def testDataFrameFromPandas(self):
import pandas as pd
pd_df = pd.DataFrame({'a': [1, 2, 3], 'b': [None, None, None]})
self.assertRaises(TypeError, lambda: DataFrame(pd_df))
df = DataFrame(pd_df, unknown_as_string=True)
self.assertEqual(df.schema.get_type('b').name, 'string')
df = DataFrame(pd_df[['a']], as_type={'a': 'string'})
self.assertEqual(df.schema.get_type('a').name, 'string')
df = DataFrame(pd_df, as_type={'b': 'int'})
self.assertEqual(df.schema.get_type('b').name, 'int64')
pd_df = pd.DataFrame({'a': [1, 2, 3], 'b': [[1, 2], [3, 4, 5], [6]]})
self.assertRaises(TypeError, DataFrame, pd_df)
df = DataFrame(pd_df, as_type={'b': 'list<int64>'})
self.assertEqual(df.schema.get_type('b').name, 'list<int64>')
df = DataFrame(pd_df, as_type={'b': 'list<string>'})
self.assertEqual(df.schema.get_type('b').name, 'list<string>')
pd_df = pd.DataFrame({
'a': [1, 2, 3],
'b': [{
1: 'a',
2: 'b'
}, {
3: 'c',
4: 'd',
5: None
}, {
6: 'f'
}]
})
self.assertRaises(TypeError, DataFrame, pd_df)
df = DataFrame(pd_df, as_type={'b': 'dict<int64, string>'})
self.assertEqual(df.schema.get_type('b').name, 'dict<int64,string>')
df = DataFrame(pd_df, as_type={'b': 'dict<string, string>'})
self.assertEqual(df.schema.get_type('b').name, 'dict<string,string>')
def test_histograms(self):
options.ml.dry_run = True
ds = DataFrame(
self.odps.get_table(IONOSPHERE_TABLE)).roles(label='class')
histograms(ds,
_cases=self.gen_check_params_case({
'outputTableName':
TEMP_TABLE_PREFIX + '_histograms',
'selectedColNames':
','.join('a%02d' % i for i in range(1, 35)),
'intervalNum':
'10',
'inputTableName':
IONOSPHERE_TABLE
}))
def test_quantile(self):
options.ml.dry_run = True
df = DataFrame(
self.odps.get_table(IONOSPHERE_TABLE)).roles(label='class')
qt = quantile(df,
_cases=self.gen_check_params_case({
'inputTableName':
tn('pyodps_test_ml_ionosphere'),
'outputTableName':
tn('pyodps_test_ml_iono_quantile'),
'colName':
','.join('a%02d' % i for i in range(1, 35)),
'N':
'100'
}))
qt.persist(IONOSPHERE_QUANTILE_TABLE)
def create_test_pmml_model(self, model_name):
if self.odps.exist_offline_model(model_name):
return
old_dry_run = options.ml.dry_run
options.ml.dry_run = False
self.create_iris(IRIS_TABLE)
from odps.df import DataFrame
from odps.ml import classifiers
df = DataFrame(self.odps.get_table(IRIS_TABLE)).roles(label='category')
lr = classifiers.LogisticRegression(epsilon=0.001).set_max_iter(50)
lr.train(df).persist(model_name)
options.ml.dry_run = old_dry_run
