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author | Mike Bayer <mike_mp@zzzcomputing.com> | 2009-08-31 20:54:19 +0000 |
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committer | Mike Bayer <mike_mp@zzzcomputing.com> | 2009-08-31 20:54:19 +0000 |
commit | c3b0df488fbac3c96eb32ced527a46278008a04c (patch) | |
tree | ec119c6a7bdbbd6098cfe2b5d049adc7bbc60843 /lib/sqlalchemy/orm/state.py | |
parent | 3d38969fd4f88d996d438df63f7cbb1833b63429 (diff) | |
download | sqlalchemy-c3b0df488fbac3c96eb32ced527a46278008a04c.tar.gz |
- the allow_null_pks flag on mapper() is deprecated, and
the feature is turned "on" by default. This means that
a row which has a non-null value for any of its primary key
columns will be considered an identity. The need for this
scenario typically only occurs when mapping to an outer join.
[ticket:1339]
- streamlined the NULL check to use set operations
Diffstat (limited to 'lib/sqlalchemy/orm/state.py')
0 files changed, 0 insertions, 0 deletions