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py-sqlalchemy
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Added note for mssql about using snapshot isolation in order to get multiple 

connection session tests to pass.
This commit is contained in:
Michael Trier 2009-01-02 18:24:49 +00:00
parent 0f842d28a1
commit a7fe20bfda
2 changed files with 11 additions and 4 deletions
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11
README.unittests
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@ -177,3 +177,14 @@ Postgres: When running the tests on postgres, postgres can get slower and
slower each time you run the tests. This seems to be related to the constant
creation/dropping of tables. Running a "VACUUM FULL" on the database will
speed it up again.
MSSQL: Tests that involve multiple connections require Snapshot Isolation
ability implented on the test database in order to prevent deadlocks that will
occur with record locking isolation. This feature is only available with
MSSQL 2005 and greater. For example::
ALTER DATABASE MyDatabase
SET ALLOW_SNAPSHOT_ISOLATION ON
ALTER DATABASE MyDatabase
SET READ_COMMITTED_SNAPSHOT ON

4
test/orm/session.py
View File

@ -162,7 +162,6 @@ class SessionTest(_fixtures.FixtureTest):
assert len(session.query(User).filter_by(name='Johnny').all()) == 0
session.close()
@testing.crashes('mssql', 'test causes mssql to hang')
@testing.requires.independent_connections
@engines.close_open_connections
@testing.resolve_artifact_names
@ -182,7 +181,6 @@ class SessionTest(_fixtures.FixtureTest):
assert testing.db.connect().execute("select count(1) from users").scalar() == 1
sess.close()
@testing.crashes('mssql', 'test causes mssql to hang')
@testing.requires.independent_connections
@engines.close_open_connections
@testing.resolve_artifact_names
@ -232,7 +230,6 @@ class SessionTest(_fixtures.FixtureTest):
eq_(q.one(), Address(email_address='foo'))
@testing.crashes('mssql', 'test causes mssql to hang')
@testing.requires.independent_connections
@engines.close_open_connections
@testing.resolve_artifact_names
@ -391,7 +388,6 @@ class SessionTest(_fixtures.FixtureTest):
session.commit()
assert session.connection().execute("select count(1) from users").scalar() == 2
@testing.crashes('mssql', 'test causes mssql to hang')
@testing.fails_on('sqlite', 'FIXME: unknown')
@testing.resolve_artifact_names
def test_transactions_isolated(self):