diff options
Diffstat (limited to 'lib/sqlalchemy/sql/base.py')
| -rw-r--r-- | lib/sqlalchemy/sql/base.py | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/lib/sqlalchemy/sql/base.py b/lib/sqlalchemy/sql/base.py index 4165751ca..65afc57dd 100644 --- a/lib/sqlalchemy/sql/base.py +++ b/lib/sqlalchemy/sql/base.py @@ -109,7 +109,9 @@ def _generative(fn): self = self._generate() x = fn(self, *args, **kw) - assert x is None, "generative methods must have no return value" + assert ( + x is None or x is self + ), "generative methods must return None or self" return self decorated = _generative(fn) @@ -835,7 +837,7 @@ class Executable(roles.StatementRole, Generative): For background on specific kinds of options for specific kinds of statements, refer to the documentation for those option objects. - .. versionchanged:: 1.4 - added :meth:`.Generative.options` to + .. versionchanged:: 1.4 - added :meth:`.Executable.options` to Core statement objects towards the goal of allowing unified Core / ORM querying capabilities. |