[Sqlalchemy-commits] commit/sqlalchemy: zzzeek: Warn when declared_attr.cascading detected on mapped class

[Bitbucket <com...@bi...>]

1 new commit in sqlalchemy:

https://bitbucket.org/zzzeek/sqlalchemy/commits/4e1f5377d1c5/
Changeset:   4e1f5377d1c5
Branch:      master
User:        zzzeek
Date:        2017-06-06 21:16:58+00:00
Summary:     Warn when declared_attr.cascading detected on mapped class

A warning is emitted if the :attr:`.declared_attr.cascading` modifier
is used with a declarative attribute that is itself declared on
a class that is to be mapped, as opposed to a declarative mixin
class or ``__abstract__`` class.  The :attr:`.declared_attr.cascading`
modifier currently only applies to mixin/abstract classes.

Also add a test for @declared_attr.cascading when used on an attribute
on __abstract__.

Change-Id: Ib1b9dbe373e8be1cf24eadfed224a8988b3cd95d
Fixes: #3847

Affected #:  5 files

Repository URL: https://bitbucket.org/zzzeek/sqlalchemy/

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