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Diffstat (limited to 'lib/sqlalchemy/orm/__init__.py')
| -rw-r--r-- | lib/sqlalchemy/orm/__init__.py | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/lib/sqlalchemy/orm/__init__.py b/lib/sqlalchemy/orm/__init__.py index b51142909..94fbabc49 100644 --- a/lib/sqlalchemy/orm/__init__.py +++ b/lib/sqlalchemy/orm/__init__.py @@ -648,6 +648,15 @@ def composite(class_, *cols, **kwargs): :param \*cols: List of Column objects to be mapped. + :param active_history=False: + When ``True``, indicates that the "previous" value for a + scalar attribute should be loaded when replaced, if not + already loaded. Note that attributes generated by + :func:`.composite` properties load the "previous" value + in any case, however this is being changed in 0.7, + so the flag is introduced here for forwards compatibility. + (new in 0.6.6) + :param group: A group name for this property when marked as deferred. |