Mike Bayer f6b52bef08 Don't apply aliasing + adaption for simple relationship joins ...

Identified a performance issue in the system by which a join is constructed
based on a mapped relationship.   The clause adaption system would be used
for the majority of join expressions including in the common case where no
adaptation is needed.   The conditions under which this adaptation occur
have been refined so that average non-aliased joins along a simple
relationship without a "secondary" table use about 70% less function calls.

Change-Id: Ifbe04214576e5a9fac86ca80c1dc7145c27cd50a
(cherry picked from commit 7e9f273835)

2019-12-19 11:13:59 -05:00

..

__init__.py

- unit tests have been migrated from unittest to nose.

2009-06-10 21:18:24 +00:00

test_compiler.py

Post black reformatting

2019-01-06 18:23:11 -05:00

test_memusage.py

Fix typos

2019-07-21 16:30:31 -04:00

test_misc.py

Add performance improvement for Enum w/ Python 2 enum library

2019-07-11 00:21:08 -04:00

test_orm.py

Don't apply aliasing + adaption for simple relationship joins

2019-12-19 11:13:59 -05:00

test_pool.py

Add deprecation warnings to all deprecated APIs

2019-01-23 18:10:06 -05:00

test_resultset.py

Post black reformatting

2019-01-06 18:23:11 -05:00

test_zoomark_orm.py

Warn for object replaced in identity map during flush

2019-10-04 13:44:48 -04:00

test_zoomark.py

Post black reformatting

2019-01-06 18:23:11 -05:00