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from sqlalchemy import Column
from sqlalchemy import Integer
from sqlalchemy import MetaData
from sqlalchemy import Table
from sqlalchemy.testing import engines
from sqlalchemy.testing import eq_
from sqlalchemy.testing import fixtures
from sqlalchemy.testing.mock import Mock
def mock_dbapi():
return Mock(
paramstyle="qmark",
connect=Mock(
return_value=Mock(
cursor=Mock(return_value=Mock(description=None, rowcount=None))
)
),
)
class MxODBCTest(fixtures.TestBase):
def test_native_odbc_execute(self):
t1 = Table("t1", MetaData(), Column("c1", Integer))
dbapi = mock_dbapi()
engine = engines.testing_engine(
"mssql+mxodbc://localhost",
options={"module": dbapi, "_initialize": False},
)
conn = engine.connect()
with conn.begin():
# crud: uses execute
conn.execute(t1.insert().values(c1="foo"))
conn.execute(t1.delete().where(t1.c.c1 == "foo"))
conn.execute(t1.update().where(t1.c.c1 == "foo").values(c1="bar"))
# select: uses executedirect
conn.execute(t1.select())
# manual flagging
conn.execution_options(native_odbc_execute=True).execute(
t1.select()
)
conn.execution_options(native_odbc_execute=False).execute(
t1.insert().values(c1="foo")
)
eq_(
# fmt: off
[
c[2]
for c in dbapi.connect.return_value.cursor.
return_value.execute.mock_calls
],
# fmt: on
[
{"direct": True},
{"direct": True},
{"direct": True},
{"direct": True},
{"direct": False},
{"direct": True},
]
)
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