class TestGenerator(TestCase):
create_statement = "create table test_table_float_fea " \
"(features float, label int)"
drop_statement = "drop table if exists test_table_float_fea"
insert_statement = "insert into test_table_float_fea (features,label)" \
" values(1.0, 0), (2.0, 1)"
@unittest.skipUnless(testing.get_driver() == "mysql",
"skip non mysql tests")
def test_generator(self):
driver = testing.get_driver()
user, password, host, port, database, _ = parseMySQLDSN(
testing.get_mysql_dsn())
conn = connect(driver,
database,
user=user,
password=password,
host=host,
port=int(port))
# prepare test data
execute(driver, conn, self.drop_statement)
execute(driver, conn, self.create_statement)
execute(driver, conn, self.insert_statement)
column_name_to_type = {
"features": {
"feature_name": "features",
"delimiter": "",
"dtype": "float32",
"is_sparse": False,
"shape": []
}
}
label_meta = {"feature_name": "label", "shape": [], "delimiter": ""}
gen = db_generator(conn, "SELECT * FROM test_table_float_fea",
label_meta)
idx = 0
for row, label in gen():
features = read_features_from_row(row, ["features"], ["features"],
column_name_to_type)
d = (features, label)
if idx == 0:
self.assertEqual(d, (((1.0, ), ), 0))
elif idx == 1:
self.assertEqual(d, (((2.0, ), ), 1))
idx += 1
self.assertEqual(idx, 2)
@unittest.skipUnless(testing.get_driver() == "mysql",
"skip non mysql tests")
def test_generate_fetch_size(self):
label_meta = {"feature_name": "label", "shape": [], "delimiter": ""}
gen = db_generator(testing.get_singleton_db_connection(),
'SELECT * FROM iris.train limit 10',
label_meta,
fetch_size=4)
self.assertEqual(len([g for g in gen()]), 10)
class TestXGBoostTrain(unittest.TestCase):
@unittest.skipUnless(testing.get_driver() == "mysql",
"skip non mysql tests")
def test_train(self):
ds = testing.get_datasource()
original_sql = """SELECT * FROM iris.train
TO TRAIN xgboost.gbtree
WITH
objective="multi:softmax",
num_boost_round=20,
num_class=3,
validation.select="SELECT * FROM iris.test"
INTO iris.xgboost_train_model_test;
"""
select = "SELECT * FROM iris.train"
val_select = "SELECT * FROM iris.test"
train_params = {
"num_boost_round": 20,
}
model_params = {"num_class": 3, "objective": "multi:softmax"}
eval_result = train(ds, original_sql, select, val_select,
"xgboost.gbtree", "", None,
NumericColumn(FieldDesc(name="class")),
model_params, train_params, None,
"iris.xgboost_train_model_test", None)
self.assertLess(eval_result['train']['merror'][-1], 0.01)
self.assertLess(eval_result['validate']['merror'][-1], 0.01)
class TestXGBoostTrain(TestCase):
@unittest.skipUnless(testing.get_driver() == "mysql",
"skip non mysql tests")
def test_train(self):
ds = testing.get_datasource()
select = "SELECT * FROM iris.train"
val_select = "SELECT * FROM iris.test"
feature_column_names = [
feature_metas[k]["feature_name"] for k in feature_metas
]
is_pai = False
pai_train_table = ""
train_params = {"num_boost_round": 20}
model_params = {"num_classes": 3}
with tempfile.TemporaryDirectory() as tmp_dir_name:
train_fn = os.path.join(tmp_dir_name, 'train.txt')
val_fn = os.path.join(tmp_dir_name, 'val.txt')
dtrain = xgb_dataset(ds, train_fn, select, feature_metas,
feature_column_names, label_meta, is_pai,
pai_train_table)
dval = xgb_dataset(ds, val_fn, val_select, feature_metas,
feature_column_names, label_meta, is_pai,
pai_train_table)
eval_result = train(dtrain, train_params, model_params, dval)
self.assertLess(eval_result['train']['rmse'][-1], 0.01)
self.assertLess(eval_result['validate']['rmse'][-1], 0.01)
class TestFetchVerifyColumnNameAndType(unittest.TestCase):
def generate_select(self, table, columns):
return "SELECT %s FROM %s" % (",".join(columns), table)
@unittest.skipUnless(testing.get_driver() in ["mysql", "hive"],
"skip non mysql/hive tests")
def test_verify_column_name_and_type(self):
conn = testing.get_singleton_db_connection()
train_table = "iris.train"
test_table = "iris.test"
train_select = [
"petal_length", "petal_width", "sepal_length", "sepal_width",
"class"
]
test_select = train_select
verify_column_name_and_type(
conn, self.generate_select(train_table, train_select),
self.generate_select(test_table, test_select), "class")
test_select = [
"petal_length", "petal_width", "sepal_length", "sepal_width"
]
verify_column_name_and_type(
conn, self.generate_select(train_table, train_select),
self.generate_select(test_table, test_select), "class")
test_select = ["petal_length", "petal_width", "sepal_length"]
with self.assertRaises(ValueError):
verify_column_name_and_type(
conn, self.generate_select(train_table, train_select),
self.generate_select(test_table, test_select), "class")
cursor = conn.cursor()
name_and_type = dict(db.get_table_schema(conn, test_table))
new_table_name = "iris.verifier_test_table"
name_and_type["petal_length"] = "VARCHAR(255)" # change the data type
create_column_str = ",".join(
["%s %s" % (n, t) for n, t in name_and_type.items()])
drop_sql = "DROP TABLE IF EXISTS %s" % new_table_name
create_sql = "CREATE TABLE %s(%s)" % (new_table_name,
create_column_str)
cursor.execute(drop_sql)
cursor.execute(create_sql)
with self.assertRaises(ValueError):
test_select = train_select
verify_column_name_and_type(
conn, self.generate_select(train_table, train_select),
self.generate_select(new_table_name, test_select), "class")
cursor.execute(drop_sql)
cursor.close()
class TestXGBoostTrain(unittest.TestCase):
@unittest.skipUnless(testing.get_driver() == "mysql",
"skip non mysql tests")
def test_train(self):
ds = testing.get_datasource()
original_sql = """SELECT * FROM iris.train
TO TRAIN xgboost.gbtree
WITH
objective="multi:softmax",
num_boost_round=20,
num_class=3,
validation.select="SELECT * FROM iris.test"
INTO iris.xgboost_train_model_test;
"""
select = "SELECT * FROM iris.train"
val_select = "SELECT * FROM iris.test"
train_params = {
"num_boost_round": 20,
}
model_params = {"num_class": 3, "objective": "multi:softmax"}
with temp_file.TemporaryDirectory(as_cwd=True):
eval_result = train(ds, original_sql, select, val_select,
"xgboost.gbtree", "", None,
NumericColumn(FieldDesc(name="class")),
model_params, train_params, None,
"iris.xgboost_train_model_test", None)
self.assertLess(eval_result['train']['merror'][-1], 0.01)
self.assertLess(eval_result['validate']['merror'][-1], 0.01)
with temp_file.TemporaryDirectory(as_cwd=True):
pred_original_sql = """SELECT * FROM iris.test
TO PREDICT iris.xgboost_pred_result.pred_val
USING iris.xgboost_train_model_test;"""
pred(ds, pred_original_sql, "SELECT * FROM iris.test",
"iris.xgboost_train_model_test", "pred_val", model_params,
"iris.xgboost_pred_result")
with temp_file.TemporaryDirectory(as_cwd=True):
explain_original_sql = """SELECT * FROM iris.test
TO EXPLAIN iris.xgboost_train_model_test
INTO iris.xgboost_explain_result;"""
explain(ds, explain_original_sql, "SELECT * FROM iris.test",
"iris.xgboost_train_model_test", model_params,
"iris.xgboost_explain_result")
with temp_file.TemporaryDirectory(as_cwd=True):
evaluate_original_sql = """SELECT * FROM iris.test
TO EVALUATE iris.xgboost_train_model_test
WITH label_col=class
INTO iris.xgboost_evaluate_result;"""
evaluate(ds, evaluate_original_sql, "SELECT * FROM iris.test",
"class", "iris.xgboost_train_model_test", model_params,
"iris.xgboost_evaluate_result")
def test_mysql(self):
driver = testing.get_driver()
user, password, host, port, database, _ = parseMySQLDSN(
testing.get_mysql_dsn())
conn = connect(driver,
database,
user=user,
password=password,
host=host,
port=port)
self._do_test(driver, conn)
conn.close()
conn = testing.get_singleton_db_connection()
self._do_test(driver, conn)
class TestFetchSamples(unittest.TestCase):
@unittest.skipUnless(testing.get_driver() in ["mysql", "hive"],
"skip non mysql/hive tests")
def test_fetch_sample(self):
conn = testing.get_singleton_db_connection()
select = "SELECT * FROM iris.train"
name_and_type = db.selected_columns_and_types(conn, select)
expect_field_names = [item[0] for item in name_and_type]
expect_field_types = [item[1] for item in name_and_type]
column_num = len(name_and_type)
gen = fetch_samples(conn, select, n=0)
self.assertTrue(gen is None)
gen = fetch_samples(conn, select, n=-1)
row_num = length(gen())
self.assertTrue(np.array_equal(gen.field_names, expect_field_names))
self.assertTrue(np.array_equal(gen.field_types, expect_field_types))
self.assertGreater(row_num, 25)
gen = fetch_samples(conn, select, n=25)
n = 0
self.assertTrue(np.array_equal(gen.field_names, expect_field_names))
self.assertTrue(np.array_equal(gen.field_types, expect_field_types))
for rows in gen():
self.assertEqual(len(rows), column_num)
n += 1
self.assertEqual(n, 25)
gen = fetch_samples(conn, select, n=10)
self.assertTrue(np.array_equal(gen.field_names, expect_field_names))
self.assertTrue(np.array_equal(gen.field_types, expect_field_types))
self.assertEqual(length(gen()), 10)
gen = fetch_samples(conn, "%s LIMIT 1" % select, n=1000)
self.assertTrue(np.array_equal(gen.field_names, expect_field_names))
self.assertTrue(np.array_equal(gen.field_types, expect_field_types))
self.assertEqual(length(gen()), 1)
gen = fetch_samples(conn, select, n=row_num * 2)
self.assertTrue(np.array_equal(gen.field_names, expect_field_names))
self.assertTrue(np.array_equal(gen.field_types, expect_field_types))
self.assertEqual(length(gen()), row_num)
def test_hive(self):
driver = testing.get_driver()
user, password, host, port, database, _, _ = parseHiveDSN(
testing.get_hive_dsn())
conn = connect(driver,
database,
user=user,
password=password,
host=host,
port=port)
self._do_test(driver,
conn,
hdfs_namenode_addr="127.0.0.1:8020",
hive_location="/sqlflow")
conn.close()
conn = testing.get_singleton_db_connection()
self._do_test(driver, conn)
self._do_test_hive_specified_db(driver,
conn,
hdfs_namenode_addr="127.0.0.1:8020",
hive_location="/sqlflow")
def test_generator(self):
driver = testing.get_driver()
user, password, host, port, database, _ = parseMySQLDSN(
testing.get_mysql_dsn())
conn = connect(driver,
database,
user=user,
password=password,
host=host,
port=int(port))
# prepare test data
execute(driver, conn, self.drop_statement)
execute(driver, conn, self.create_statement)
execute(driver, conn, self.insert_statement)
column_name_to_type = {
"features": {
"feature_name": "features",
"delimiter": "",
"dtype": "float32",
"is_sparse": False,
"shape": []
}
}
label_meta = {"feature_name": "label", "shape": [], "delimiter": ""}
gen = db_generator(conn, "SELECT * FROM test_table_float_fea",
label_meta)
idx = 0
for row, label in gen():
features = read_features_from_row(row, ["features"], ["features"],
column_name_to_type)
d = (features, label)
if idx == 0:
self.assertEqual(d, (((1.0, ), ), 0))
elif idx == 1:
self.assertEqual(d, (((2.0, ), ), 1))
idx += 1
self.assertEqual(idx, 2)
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License
import unittest
from runtime import testing
from runtime.dbapi.pyalisa.pop import Pop
@unittest.skipUnless(testing.get_driver() == "alisa", "Skip non-alisa test")
class TestPop(unittest.TestCase):
def test_signature(self):
params = {
"name": "由由",
"age": "3",
"homepage": "http://little4.kg?true"
}
sign = Pop.signature(params, "POST", "test_secret_key")
self.assertEqual("6kvgvUDEHtFdZKj8+HhtAS1ovHY=", sign)
def test_percent_encode(self):
# "~-_." should not be encoded
param = "~-_."
encoded = Pop.percent_encode(param)
self.assertEqual("~-_.", encoded)
class TestDB(TestCase):
create_statement = "create table test_db (features text, label int)"
hive_create_statement = 'create table test_db (features string, ' \
'label int) ROW FORMAT DELIMITED FIELDS ' \
'TERMINATED BY "\001"'
select_statement = "select * from test_db"
drop_statement = "drop table if exists test_db"
@unittest.skipUnless(testing.get_driver() == "mysql",
"skip non mysql tests")
def test_mysql(self):
driver = testing.get_driver()
user, password, host, port, database, _ = parseMySQLDSN(
testing.get_mysql_dsn())
conn = connect(driver,
database,
user=user,
password=password,
host=host,
port=port)
self._do_test(driver, conn)
conn.close()
conn = testing.get_singleton_db_connection()
self._do_test(driver, conn)
@unittest.skipUnless(testing.get_driver() == "hive", "skip non hive tests")
def test_hive(self):
driver = testing.get_driver()
user, password, host, port, database, _, _ = parseHiveDSN(
testing.get_hive_dsn())
conn = connect(driver,
database,
user=user,
password=password,
host=host,
port=port)
self._do_test(driver,
conn,
hdfs_namenode_addr="127.0.0.1:8020",
hive_location="/sqlflow")
conn.close()
conn = testing.get_singleton_db_connection()
self._do_test(driver, conn)
self._do_test_hive_specified_db(driver,
conn,
hdfs_namenode_addr="127.0.0.1:8020",
hive_location="/sqlflow")
def _do_test_hive_specified_db(self,
driver,
conn,
hdfs_namenode_addr="",
hive_location=""):
create_db = '''create database if not exists test_db'''
create_tbl = '''create table test_db.tbl (features string, label int)
ROW FORMAT DELIMITED FIELDS TERMINATED BY "\001"'''
drop_tbl = '''drop table if exists test_db.tbl'''
select_tbl = '''select * from test_db.tbl'''
table_schema = ["label", "features"]
values = [(1, '5,6,1,2')] * 10
execute(driver, conn, create_db)
execute(driver, conn, drop_tbl)
execute(driver, conn, create_tbl)
with buffered_db_writer(driver,
conn,
"test_db.tbl",
table_schema,
buff_size=10,
hdfs_namenode_addr=hdfs_namenode_addr,
hive_location=hive_location) as w:
for row in values:
w.write(row)
field_names, data = execute(driver, conn, select_tbl)
expect_features = ['5,6,1,2'] * 10
expect_labels = [1] * 10
self.assertEqual(field_names, ['features', 'label'])
self.assertEqual(expect_features, data[0])
self.assertEqual(expect_labels, data[1])
def _do_test(self, driver, conn, hdfs_namenode_addr="", hive_location=""):
table_name = "test_db"
table_schema = ["label", "features"]
values = [(1, '5,6,1,2')] * 10
execute(driver, conn, self.drop_statement)
if driver == "hive":
execute(driver, conn, self.hive_create_statement)
else:
execute(driver, conn, self.create_statement)
with buffered_db_writer(driver,
conn,
table_name,
table_schema,
buff_size=10,
hdfs_namenode_addr=hdfs_namenode_addr,
hive_location=hive_location) as w:
for row in values:
w.write(row)
field_names, data = execute(driver, conn, self.select_statement)
expect_features = ['5,6,1,2'] * 10
expect_labels = [1] * 10
self.assertEqual(field_names, ['features', 'label'])
self.assertEqual(expect_features, data[0])
self.assertEqual(expect_labels, data[1])
def test_get_table_schema(self):
driver = testing.get_driver()
conn = testing.get_singleton_db_connection()
if driver == "mysql":
schema = get_table_schema(conn, "iris.train")
expect = (
('sepal_length', 'FLOAT'),
('sepal_width', 'FLOAT'),
('petal_length', 'FLOAT'),
('petal_width', 'FLOAT'),
('class', 'INT(11)'),
)
self.assertTrue(np.array_equal(expect, schema))
schema = selected_columns_and_types(
conn,
"SELECT sepal_length, petal_width * 2.3 new_petal_width, "
"class FROM iris.train")
expect = [
("sepal_length", "FLOAT"),
("new_petal_width", "DOUBLE"),
("class", "INT"),
]
self.assertTrue(np.array_equal(expect, schema))
elif driver == "hive":
schema = get_table_schema(conn, "iris.train")
expect = (
('sepal_length', 'FLOAT'),
('sepal_width', 'FLOAT'),
('petal_length', 'FLOAT'),
('petal_width', 'FLOAT'),
('class', 'INT'),
)
self.assertTrue(np.array_equal(expect, schema))
schema = selected_columns_and_types(
conn,
"SELECT sepal_length, petal_width * 2.3 AS new_petal_width, "
"class FROM iris.train")
expect = [
("sepal_length", "FLOAT"),
("new_petal_width", "FLOAT"),
("class", "INT"),
]
self.assertTrue(np.array_equal(expect, schema))
elif driver == "maxcompute":
case_db = os.getenv("SQLFLOW_TEST_DB_MAXCOMPUTE_PROJECT")
table = "%s.sqlflow_test_iris_train" % case_db
schema = get_table_schema(conn, table)
expect = [
('sepal_length', 'DOUBLE'),
('sepal_width', 'DOUBLE'),
('petal_length', 'DOUBLE'),
('petal_width', 'DOUBLE'),
('class', 'BIGINT'),
]
self.assertTrue(np.array_equal(expect, schema))
schema = selected_columns_and_types(
conn,
"SELECT sepal_length, petal_width * 2.3 new_petal_width, "
"class FROM %s" % table)
expect = [
("sepal_length", "DOUBLE"),
("new_petal_width", "DOUBLE"),
("class", "BIGINT"),
]
self.assertTrue(np.array_equal(expect, schema))
class TestLimitSelect(TestCase):
def test_limit_select(self):
self.assertEqual("SELECT * FROM t LIMIT 2",
limit_select("SELECT * FROM t LIMIT 30", 2))
self.assertEqual("SELECT * FROM t LIMIT 30; \t",
limit_select("SELECT * FROM t LIMIT 30; \t", 100))
self.assertEqual("SELECT * FROM t LIMIT 3",
limit_select("SELECT * FROM t", 3))
self.assertEqual("SELECT * FROM t \t LIMIT 4; ",
limit_select("SELECT * FROM t \t ; ", 4))
@unittest.skipIf(testing.get_driver() == "maxcompute", "skip non mysql tests")
class TestQuery(TestCase):
def test_query(self):
conn = connect_with_data_source(testing.get_datasource())
gen = query(conn, "select * from iris.train limit 1")
rows = [row for row in gen()]
self.assertEqual(1, len(rows))
query(conn, "drop table if exists A")
query(conn, "create table A(a int);")
query(conn, "insert into A values(1)")
gen = query(conn, "select * from A;")
rows = [row for row in gen()]
self.assertEqual(1, len(rows))
class TestXGBoostTrain(unittest.TestCase):
def get_table_row_count(self, conn, table):
ret = list(conn.query("SELECT COUNT(*) FROM %s" % table))
self.assertEqual(len(ret), 1)
ret = ret[0]
self.assertEqual(len(ret), 1)
return ret[0]
def get_table_schema(self, conn, table):
name_and_types = conn.get_table_schema(table)
return dict(name_and_types)
@unittest.skipUnless(testing.get_driver() == "mysql",
"skip non mysql tests")
def test_main(self):
ds = testing.get_datasource()
original_sql = """SELECT * FROM iris.train
TO TRAIN xgboost.gbtree
WITH
objective="multi:softmax",
num_boost_round=20,
num_class=3,
validation.select="SELECT * FROM iris.test"
INTO iris.xgboost_train_model_test;
"""
select = "SELECT * FROM iris.train"
val_select = "SELECT * FROM iris.test"
train_params = {"num_boost_round": 20}
model_params = {"num_class": 3, "objective": "multi:softmax"}
save_name = "iris.xgboost_train_model_test"
class_name = "class"
with temp_file.TemporaryDirectory(as_cwd=True):
eval_result = train(original_sql=original_sql,
model_image="sqlflow:step",
estimator_string="xgboost.gbtree",
datasource=ds,
select=select,
validation_select=val_select,
model_params=model_params,
train_params=train_params,
feature_column_map=None,
label_column=NumericColumn(
FieldDesc(name=class_name)),
save=save_name)
self.assertLess(eval_result['train']['merror'][-1], 0.01)
self.assertLess(eval_result['validate']['merror'][-1], 0.01)
conn = db.connect_with_data_source(ds)
pred_select = "SELECT * FROM iris.test"
pred(ds, pred_select, "iris.predict_result_table", class_name,
save_name)
self.assertEqual(
self.get_table_row_count(conn, "iris.test"),
self.get_table_row_count(conn, "iris.predict_result_table"))
schema1 = self.get_table_schema(conn, "iris.test")
schema2 = self.get_table_schema(conn, "iris.predict_result_table")
self.assertEqual(len(schema1), len(schema2))
for name in schema1:
if name == 'class':
self.assertEqual(schema2[name], "BIGINT")
continue
self.assertTrue(name in schema2)
self.assertEqual(schema1[name], schema2[name])
diff_schema = schema2.keys() - schema1.keys()
self.assertEqual(len(diff_schema), 0)
evaluate(ds, pred_select, "iris.evaluate_result_table", save_name,
'class', ['accuracy_score'])
eval_schema = self.get_table_schema(conn,
"iris.evaluate_result_table")
self.assertEqual(eval_schema.keys(),
set(['loss', 'accuracy_score']))
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License
import unittest
from unittest import TestCase
from runtime import testing
from runtime.dbapi.hive import HiveConnection
@unittest.skipUnless(testing.get_driver() == "hive", "Skip non-hive test")
class TestHiveConnection(TestCase):
def test_connecion(self):
try:
conn = HiveConnection(testing.get_datasource())
conn.close()
except: # noqa: E722
self.fail()
def test_query(self):
conn = HiveConnection(testing.get_datasource())
rs = conn.query("select * from notexist limit 1")
self.assertFalse(rs.success())
self.assertTrue("Table not found" in rs.error())
rs = conn.query("select * from train limit 1")
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License
import unittest
from unittest import TestCase
from runtime import testing
from runtime.dbapi.mysql import MySQLConnection
@unittest.skipUnless(testing.get_driver() == "mysql", "Skip non-mysql test")
class TestMySQLConnection(TestCase):
def test_connecion(self):
try:
conn = MySQLConnection(testing.get_datasource())
conn.close()
except: # noqa: E722
self.fail()
def test_query(self):
conn = MySQLConnection(testing.get_datasource())
rs = conn.query("select * from notexist limit 1")
self.assertFalse(rs.success())
rs = conn.query("select * from train limit 1")
self.assertTrue(rs.success())
class TestGenerator(TestCase):
create_statement = """create table test_table_float_fea
(f1 float, f2 int, f3str VARCHAR(255),
f4sparse VARCHAR(255), f5dense VARCHAR(255), label int)"""
drop_statement = "drop table if exists test_table_float_fea"
insert_statement = """insert into test_table_float_fea
(f1,f2,f3str,f4sparse,f5dense,label)
values(1.0,1,'a','1:1.0 2:2.0','1,2,3',0), (NULL,NULL,NULL,NULL,'1,2,3',1)"""
@unittest.skipUnless(testing.get_driver() == "mysql",
"skip non mysql tests")
def test_generator(self):
conn = connect(testing.get_datasource())
# prepare test data
conn.execute(self.drop_statement)
conn.execute(self.create_statement)
conn.execute(self.insert_statement)
column_name_to_type = {
"f1": {
"feature_name": "f1",
"delimiter": "",
"dtype": "float32",
"is_sparse": False,
"shape": []
},
"f2": {
"feature_name": "f2",
"delimiter": "",
"dtype": "int64",
"is_sparse": False,
"shape": []
},
"f3str": {
"feature_name": "f3str",
"delimiter": "",
"dtype": "string",
"is_sparse": False,
"shape": []
},
"f4sparse": {
"feature_name": "f4sparse",
"delimiter": "",
"dtype": "float32",
"is_sparse": True,
"shape": [],
"format": "kv"
},
"f5dense": {
"feature_name": "f5dense",
"delimiter": ",",
"dtype": "int64",
"is_sparse": False,
"shape": [3]
}
}
label_meta = {"feature_name": "label", "shape": [], "delimiter": ""}
gen = db_generator(conn, "SELECT * FROM test_table_float_fea",
label_meta)
idx = 0
for row, label in gen():
if idx == 0:
features = read_features_from_row(
row, ["f1", "f2", "f3str", "f4sparse", "f5dense"],
["f1", "f2", "f3str", "f4sparse", "f5dense"],
column_name_to_type)
self.assertEqual(1.0, features[0][0])
self.assertEqual(1, features[1][0])
self.assertEqual('a', features[2][0])
self.assertTrue(
np.array_equal(np.array([[1], [2]]), features[3][0]))
self.assertTrue(
np.array_equal(np.array([1., 2.], dtype=np.float32),
features[3][1]))
self.assertTrue(
np.array_equal(np.array([1, 2, 3]), features[4][0]))
self.assertEqual(0, label)
elif idx == 1:
try:
features = read_features_from_row(
row, ["f1", "f2", "f3str", "f4sparse", "f5dense"],
["f1", "f2", "f3str", "f4sparse", "f5dense"],
column_name_to_type)
except Exception as e:
self.assertTrue(isinstance(e, ValueError))
features = read_features_from_row(
row, ["f1", "f2", "f3str", "f4sparse", "f5dense"],
["f1", "f2", "f3str", "f4sparse", "f5dense"],
column_name_to_type,
is_xgboost=True)
self.assertEqual(XGBOOST_NULL_MAGIC, features[0][0])
self.assertEqual(int(XGBOOST_NULL_MAGIC), features[1][0])
self.assertEqual("", features[2][0])
self.assertTrue(np.array_equal(np.array([]), features[3][0]))
self.assertTrue(np.array_equal(np.array([]), features[3][1]))
self.assertTrue(
np.array_equal(np.array([1, 2, 3]), features[4][0]))
self.assertEqual(1, label)
idx += 1
self.assertEqual(idx, 2)
@unittest.skipUnless(testing.get_driver() == "mysql",
"skip non mysql tests")
def test_generate_fetch_size(self):
label_meta = {"feature_name": "label", "shape": [], "delimiter": ""}
gen = db_generator(testing.get_singleton_db_connection(),
'SELECT * FROM iris.train limit 10', label_meta)
self.assertEqual(len([g for g in gen()]), 10)
def check_main_impl(self, estimator):
if testing.get_driver() != "mysql":
return
ds = testing.get_datasource()
original_sql = """SELECT * FROM iris.train
TO TRAIN %s
WITH
model.hidden_units=[32,64],
model.n_classes=3,
validation.select="SELECT * FROM iris.test"
LABEL class
INTO iris.tensorflow_train_model_test;
""" % estimator
select = "SELECT * FROM iris.train"
val_select = "SELECT * FROM iris.test"
train_params = {"batch_size": 10}
model_params = {"n_classes": 3, "hidden_units": [32, 64]}
save_name = "iris.tensorflow_train_model_test"
class_name = "class"
with temp_file.TemporaryDirectory(as_cwd=True):
train(original_sql=original_sql,
model_image="sqlflow:step",
estimator_string=estimator,
datasource=ds,
select=select,
validation_select=val_select,
model_params=model_params,
train_params=train_params,
validation_params=None,
feature_column_map=None,
label_column=NumericColumn(
FieldDesc(name=class_name, shape=[])),
save=save_name,
load=None)
conn = db.connect_with_data_source(ds)
pred_select = "SELECT * FROM iris.test"
with temp_file.TemporaryDirectory(as_cwd=True):
pred(ds, pred_select, "iris.predict_result_table", class_name,
save_name)
self.assertEqual(
self.get_table_row_count(conn, "iris.test"),
self.get_table_row_count(conn, "iris.predict_result_table"))
schema1 = self.get_table_schema(conn, "iris.test")
schema2 = self.get_table_schema(conn, "iris.predict_result_table")
self.assertEqual(len(schema1), len(schema2))
for name in schema1:
if name == 'class':
self.assertEqual(schema2[name], "BIGINT")
continue
self.assertTrue(name in schema2)
self.assertEqual(schema1[name], schema2[name])
diff_schema = schema2.keys() - schema1.keys()
self.assertEqual(len(diff_schema), 0)
with temp_file.TemporaryDirectory(as_cwd=True):
evaluate(ds, select, "iris.evaluate_result_table", save_name,
class_name, {'validation.metrics': 'Accuracy'})
eval_schema = self.get_table_schema(conn, "iris.evaluate_result_table")
eval_schema = set([k.lower() for k in eval_schema.keys()])
self.assertEqual(eval_schema, set(['loss', 'accuracy']))
with temp_file.TemporaryDirectory(as_cwd=True):
explain(ds, select, None, {"plot_type": "bar"},
"iris.explain_result_table", save_name)
explain_schema = self.get_table_schema(conn,
"iris.explain_result_table")
self.assertEqual(
explain_schema.keys(),
set(['petal_length', 'petal_width', 'sepal_length',
'sepal_width']))
conn.close()
iris_feature_column_names = [
"sepal_length",
"sepal_width",
"petal_length",
"petal_width",
]
feature_column_map = {
"feature_columns": [fc.NumericColumn(fd.FieldDesc(name="sepal_length"))]
}
label_column = fc.NumericColumn(fd.FieldDesc(name="class"))
@unittest.skipUnless(testing.get_driver() == "maxcompute"
and testing.get_submitter() == "pai",
"skip non PAI tests")
class SubmitPAITrainTask(TestCase):
def test_submit_pai_train_task(self):
model_params = dict()
model_params["hidden_units"] = [10, 20]
model_params["n_classes"] = 3
original_sql = """
SELECT * FROM alifin_jtest_dev.sqlflow_test_iris_train
TO TRAIN DNNClassifier
WITH model.n_classes = 3, model.hidden_units = [10, 20]
LABEL class
INTO e2etest_pai_dnn;"""
class TestDB(TestCase):
create_statement = "create table test_db (features text, label int)"
hive_create_statement = 'create table test_db (features string, ' \
'label int) ROW FORMAT DELIMITED FIELDS ' \
'TERMINATED BY "\001"'
select_statement = "select * from test_db"
drop_statement = "drop table if exists test_db"
@unittest.skipUnless(testing.get_driver() == "mysql",
"skip non mysql tests")
def test_mysql(self):
conn = connect(testing.get_datasource())
self._do_test(conn)
conn.close()
@unittest.skipUnless(testing.get_driver() == "hive", "skip non hive tests")
def test_hive(self):
uri = testing.get_datasource()
conn = connect(uri)
self._do_test(conn)
self._do_test_hive_specified_db(conn)
def _do_test_hive_specified_db(self, conn):
create_db = '''create database if not exists test_db'''
create_tbl = '''create table test_db.tbl (features string, label int)
ROW FORMAT DELIMITED FIELDS TERMINATED BY "\001"'''
drop_tbl = '''drop table if exists test_db.tbl'''
select_tbl = '''select * from test_db.tbl'''
table_schema = ["label", "features"]
values = [(1, '5,6,1,2')] * 10
self.assertTrue(conn.execute(create_db))
self.assertTrue(conn.execute(drop_tbl))
self.assertTrue(conn.execute(create_tbl))
with buffered_db_writer(conn,
"test_db.tbl",
table_schema,
buff_size=10) as w:
for row in values:
w.write(row)
field_names, data = execute(conn, select_tbl)
expect_result = [('5,6,1,2', 1)] * 10
self.assertEqual(field_names, ['features', 'label'])
self.assertEqual(expect_result, data)
def _do_test(self, conn):
table_name = "test_db"
table_schema = ["features", "label"]
values = [('5,6,1,2', 1)] * 10
conn.execute(self.drop_statement)
if conn.driver == "hive":
conn.execute(self.hive_create_statement)
else:
conn.execute(self.create_statement)
with buffered_db_writer(conn, table_name, table_schema,
buff_size=10) as w:
for row in values:
w.write(row)
field_names, data = execute(conn, self.select_statement)
self.assertEqual(table_schema, field_names)
self.assertEqual(values, data)
class TestLimitSelect(TestCase):
def test_limit_select(self):
self.assertEqual("SELECT * FROM t LIMIT 2",
limit_select("SELECT * FROM t LIMIT 30", 2))
self.assertEqual("SELECT * FROM t LIMIT 30; \t",
limit_select("SELECT * FROM t LIMIT 30; \t", 100))
self.assertEqual("SELECT * FROM t LIMIT 3",
limit_select("SELECT * FROM t", 3))
self.assertEqual("SELECT * FROM t \t LIMIT 4; ",
limit_select("SELECT * FROM t \t ; ", 4))
@unittest.skipIf(testing.get_driver() == "maxcompute", "skip maxcompute tests")
class TestQuery(TestCase):
def test_query(self):
conn = connect_with_data_source(testing.get_datasource())
rs = conn.query("select * from iris.train limit 1")
rows = [row for row in rs]
self.assertEqual(1, len(rows))
conn.execute("drop table if exists A")
conn.execute("create table A(a int);")
conn.execute("insert into A values(1)")
rs = conn.query("select * from A;")
rows = [row for row in rs]
self.assertEqual(1, len(rows))
conn.query("truncate table A")
self.assertEqual(fd.infer_string_data_format(s), DataFormat.PLAIN)
class TestGetMaxIndexOfKeyValueString(unittest.TestCase):
def infer_index(self, string):
field_desc = FieldDesc(shape=[0])
fd.fill_kv_field_desc(string, field_desc)
return field_desc.shape[0]
def test_infer_index(self):
self.assertEqual(self.infer_index("1:2 3:4 2:1"), 4)
self.assertEqual(self.infer_index("7:2\t 3:-4 10:20"), 11)
self.assertEqual(self.infer_index("1:7"), 2)
@unittest.skipUnless(testing.get_driver() in ["mysql", "hive"],
"skip non MySQL and Hive tests")
class TestFeatureDerivationWithMockedFeatures(unittest.TestCase):
def check_json_dump(self, features):
dump_json = json.dumps(features, cls=fc.JSONEncoderWithFeatureColumn)
new_features = json.loads(dump_json,
cls=fc.JSONDecoderWithFeatureColumn)
new_dump_json = json.dumps(new_features,
cls=fc.JSONEncoderWithFeatureColumn)
self.assertEqual(dump_json, new_dump_json)
def test_without_cross(self):
features = {
'feature_columns': [
EmbeddingColumn(dimension=256, combiner="mean", name="c3"),
EmbeddingColumn(category_column=CategoryIDColumn(
class TestXGBoostTrain(unittest.TestCase):
def get_table_row_count(self, conn, table):
rs = conn.query("SELECT COUNT(*) FROM %s" % table)
ret = list(rs)
rs.close()
self.assertEqual(len(ret), 1)
ret = ret[0]
self.assertEqual(len(ret), 1)
return ret[0]
def get_table_schema(self, conn, table):
name_and_types = conn.get_table_schema(table)
return dict(name_and_types)
@unittest.skipUnless(testing.get_driver() == "mysql",
"skip non mysql tests")
def test_main(self):
ds = testing.get_datasource()
original_sql = """SELECT * FROM iris.train
TO TRAIN xgboost.gbtree
WITH
objective="multi:softprob",
num_boost_round=20,
num_class=3,
validation.select="SELECT * FROM iris.test"
LABEL class
INTO iris.xgboost_train_model_test;
"""
select = "SELECT * FROM iris.train"
val_select = "SELECT * FROM iris.test"
train_params = {"num_boost_round": 20}
model_params = {"num_class": 3, "objective": "multi:softprob"}
save_name = "iris.xgboost_train_model_test"
class_name = "class"
with temp_file.TemporaryDirectory(as_cwd=True):
eval_result = train(datasource=ds,
original_sql=original_sql,
select=select,
validation_select=val_select,
estimator_string="xgboost.gbtree",
model_image="sqlflow:step",
feature_column_map=None,
label_column=NumericColumn(
FieldDesc(name=class_name)),
model_params=model_params,
train_params=train_params,
validation_params=None,
save=save_name,
load=None)
self.assertLess(eval_result['train']['merror'][-1], 0.01)
self.assertLess(eval_result['validate']['merror'][-1], 0.01)
conn = db.connect_with_data_source(ds)
pred_select = "SELECT * FROM iris.test"
with temp_file.TemporaryDirectory(as_cwd=True):
result_column_names, train_label_idx = create_predict_table(
conn, select, "iris.predict_result_table",
FieldDesc(name=class_name), "class")
predict(ds, pred_select, "iris.predict_result_table",
result_column_names, train_label_idx, save_name)
self.assertEqual(
self.get_table_row_count(conn, "iris.test"),
self.get_table_row_count(conn, "iris.predict_result_table"))
schema1 = self.get_table_schema(conn, "iris.test")
schema2 = self.get_table_schema(conn, "iris.predict_result_table")
self.assertEqual(len(schema1), len(schema2))
for name in schema1:
if name == 'class':
self.assertEqual(schema2[name], "BIGINT")
continue
self.assertTrue(name in schema2)
self.assertEqual(schema1[name], schema2[name])
diff_schema = schema2.keys() - schema1.keys()
self.assertEqual(len(diff_schema), 0)
with temp_file.TemporaryDirectory(as_cwd=True):
result_column_names = create_evaluate_table(
conn, "iris.evaluate_result_table", ["accuracy_score"])
evaluate(ds,
pred_select,
"iris.evaluate_result_table",
save_name,
label_name='class',
model_params={'validation.metrics': 'accuracy_score'},
result_column_names=result_column_names)
eval_schema = self.get_table_schema(conn, "iris.evaluate_result_table")
self.assertEqual(eval_schema.keys(), set(['loss', 'accuracy_score']))
with temp_file.TemporaryDirectory(as_cwd=True):
feature_column_names = [
"petal_width", "petal_length", "sepal_width", "sepal_length"
]
create_explain_table(conn, EstimatorType.XGBOOST, "TreeExplainer",
"xgboost.gbtree", "iris.explain_result_table",
feature_column_names)
explain(ds, select, "TreeExplainer", {"plot_type": "decision"},
"iris.explain_result_table", save_name)
explain_schema = self.get_table_schema(conn,
"iris.explain_result_table")
self.assertEqual(explain_schema.keys(), set(feature_column_names))
with temp_file.TemporaryDirectory(as_cwd=True):
create_explain_table(conn, EstimatorType.XGBOOST,
"XGBoostExplainer", "xgboost.gbtree",
"iris.explain_result_table_2",
feature_column_names)
explain(ds, select, "XGBoostExplainer", {},
"iris.explain_result_table_2", save_name)
explain_schema = self.get_table_schema(conn,
"iris.explain_result_table_2")
self.assertEqual(explain_schema.keys(),
set(['feature', 'fscore', 'gain']))
conn.close()
