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| author | Mike Bayer <mike_mp@zzzcomputing.com> | 2012-07-16 17:37:32 -0400 |
|---|---|---|
| committer | Mike Bayer <mike_mp@zzzcomputing.com> | 2012-07-16 17:37:32 -0400 |
| commit | 8f04c5319120773906161548b82a8d83e387843e (patch) | |
| tree | acebbdf86213891e32b097cf189b848f64d6d2a0 /lib/sqlalchemy/orm/util.py | |
| parent | ce9a702dbd52946487f45b98ef20d1b7783facb6 (diff) | |
| download | sqlalchemy-8f04c5319120773906161548b82a8d83e387843e.tar.gz | |
some test fixes and cleanup
Diffstat (limited to 'lib/sqlalchemy/orm/util.py')
| -rw-r--r-- | lib/sqlalchemy/orm/util.py | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/lib/sqlalchemy/orm/util.py b/lib/sqlalchemy/orm/util.py index 03af1ad76..e9e11ee87 100644 --- a/lib/sqlalchemy/orm/util.py +++ b/lib/sqlalchemy/orm/util.py @@ -93,7 +93,8 @@ def _validator_events(desc, key, validator, include_removes): if include_removes: event.listen(desc, "remove", remove, raw=True, retval=True) -def polymorphic_union(table_map, typecolname, aliasname='p_union', cast_nulls=True): +def polymorphic_union(table_map, typecolname, + aliasname='p_union', cast_nulls=True): """Create a ``UNION`` statement used by a polymorphic mapper. See :ref:`concrete_inheritance` for an example of how @@ -102,13 +103,14 @@ def polymorphic_union(table_map, typecolname, aliasname='p_union', cast_nulls=Tr :param table_map: mapping of polymorphic identities to :class:`.Table` objects. :param typecolname: string name of a "discriminator" column, which will be - derived from the query, producing the polymorphic identity for each row. If - ``None``, no polymorphic discriminator is generated. + derived from the query, producing the polymorphic identity for + each row. If ``None``, no polymorphic discriminator is generated. :param aliasname: name of the :func:`~sqlalchemy.sql.expression.alias()` construct generated. - :param cast_nulls: if True, non-existent columns, which are represented as labeled - NULLs, will be passed into CAST. This is a legacy behavior that is problematic - on some backends such as Oracle - in which case it can be set to False. + :param cast_nulls: if True, non-existent columns, which are represented + as labeled NULLs, will be passed into CAST. This is a legacy behavior + that is problematic on some backends such as Oracle - in which case it + can be set to False. """ @@ -312,7 +314,7 @@ class PathRegistry(object): @classmethod def coerce(cls, raw): - return util.reduce(lambda prev, next:prev[next], raw, cls.root) + return util.reduce(lambda prev, next: prev[next], raw, cls.root) @classmethod def token(cls, token): @@ -320,7 +322,7 @@ class PathRegistry(object): def __add__(self, other): return util.reduce( - lambda prev, next:prev[next], + lambda prev, next: prev[next], other.path, self) def __repr__(self): |