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authorMike Bayer <mike_mp@zzzcomputing.com>2017-01-16 13:34:55 -0500
committerMike Bayer <mike_mp@zzzcomputing.com>2017-03-16 12:34:40 -0400
commit63a7b2d2d9402b06f9bc7745eed2d98ae9f8b11c (patch)
treeddc4a454eb22548a009eb33f90a08331cc0523d3 /lib/sqlalchemy/sql/compiler.py
parent2bfe19152d49b969acdc4607bf7c33727f796f5a (diff)
downloadsqlalchemy-63a7b2d2d9402b06f9bc7745eed2d98ae9f8b11c.tar.gz
Annotate parentmapper in primaryjoin / secondaryjoin
This patch applies the "parentmapper" annotation to the columns in the primaryjoin/secondaryjoin, but more dramatically, also removes all the "deannotate" steps that were historically applied to the relationship primaryjoin/secondaryjoin. These deannotation steps were left over from the initial implementations of annotations where the behaviors were not as reliable. By ensuring these annotations are present, the evaluator no longer needs to do a name-based lookup when it sees a column that has no "parentmapper", because it can be assured this is not a mapped column. This fixes the issue where the expression were based on a relationship primaryjoin but the name of a column in the join condition didn't match the attribute name. Change-Id: I8c1d4594116d4109fef314a87c96a24d2efa0058 Fixes: #3366
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