diff options
Diffstat (limited to 'lib/sqlalchemy/ext/declarative/api.py')
| -rw-r--r-- | lib/sqlalchemy/ext/declarative/api.py | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/lib/sqlalchemy/ext/declarative/api.py b/lib/sqlalchemy/ext/declarative/api.py index b2e8b5afe..d02db7aa5 100644 --- a/lib/sqlalchemy/ext/declarative/api.py +++ b/lib/sqlalchemy/ext/declarative/api.py @@ -42,6 +42,15 @@ def instrument_declarative(cls, registry, metadata): def has_inherited_table(cls): """Given a class, return True if any of the classes it inherits from has a mapped table, otherwise return False. + + This is used in declarative mixins to build attributes that behave + differently for the base class vs. a subclass in an inheritance + hierarchy. + + .. seealso:: + + :ref:`decl_mixin_inheritance` + """ for class_ in cls.__mro__[1:]: if getattr(class_, '__table__', None) is not None: |