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(parent: 8ccf0b6) | patch
Add doc note for multiple table mapping
authorMike Bayer <mike_mp@zzzcomputing.com>
Wed, 23 Oct 2019 15:18:56 +0000 (11:18 -0400)
committerMike Bayer <mike_mp@zzzcomputing.com>
Wed, 23 Oct 2019 15:20:19 +0000 (11:20 -0400)
commitcdf6761e879baa2af03e13b5a7a3f10ae4d9ac91
treeeedaf929b8ad1b87c67b893265c9bc7b38a2ea5btree
parent8ccf0b688e0351a64f30da4969436233c70158dccommit | diff
Add doc note for multiple table mapping

When mapping to a construct like OUTER JOIN, an UPDATE from the
ORM expects that all involved tables have a row already present;
document this as well as a potential workaround.

Fixes: #4927
Change-Id: Ie99f9f53cea33d9df2513f384a7c68676b197fb7
(cherry picked from commit 2cae55269b6745bd733be142a6e199d8ecf9b50a)
doc/build/orm/nonstandard_mappings.rst diff | blob | blame | history
Mirror of https://github.com/sqlalchemy/sqlalchemy.git