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(parent: d57767e) | patch
Alias the onclause if ORM join is to same polymorphic selectable
authorMike Bayer <mike_mp@zzzcomputing.com>
Mon, 27 Apr 2020 20:51:43 +0000 (16:51 -0400)
committerMike Bayer <mike_mp@zzzcomputing.com>
Mon, 27 Apr 2020 22:38:49 +0000 (18:38 -0400)
commit483a644959f396e3abdcb8f0f373936569958970
treef797c2f1666fda104d428c8c1ebfc228868eb0edtree | snapshot
parentd57767e08b35e4cd18ef57192a1842cc1b4939d4commit | diff
Alias the onclause if ORM join is to same polymorphic selectable

Fixed bug where using :func:`.with_polymorphic` as the target of a join via
:meth:`.RelationshipComparator.of_type` on a mapper that already has a
subquery-based with_polymorphic setting that's equivalent to the one
requested would not correctly alias the ON clause in the join.

Fixes: #5288
Change-Id: I0212a990ee67a344c87fe21833bf47fdb72ca0cc
doc/build/changelog/unreleased_13/5288.rst [new file with mode: 0644] blob
lib/sqlalchemy/orm/query.py diff | blob | blame | history
lib/sqlalchemy/orm/relationships.py diff | blob | blame | history
test/orm/inheritance/_poly_fixtures.py diff | blob | blame | history
test/orm/inheritance/test_polymorphic_rel.py diff | blob | blame | history
Mirror of https://github.com/sqlalchemy/sqlalchemy.git