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| author | Mike Bayer <mike_mp@zzzcomputing.com> | 2010-11-19 18:44:09 -0500 |
|---|---|---|
| committer | Mike Bayer <mike_mp@zzzcomputing.com> | 2010-11-19 18:44:09 -0500 |
| commit | a9ed6f0a2a185abfe34ea0db6c7e9d83d55bda8e (patch) | |
| tree | 502bf1e71ce2bf115d1e0a9dc36588144f4915e1 /lib/sqlalchemy/orm/__init__.py | |
| parent | e15fa0342d2ac83414c563abd8fd478251d4d35f (diff) | |
| download | sqlalchemy-a9ed6f0a2a185abfe34ea0db6c7e9d83d55bda8e.tar.gz | |
- active_history flag also added to composite().
The flag has no effect in 0.6, but is instead
a placeholder flag for forwards compatibility,
as it will be needed in 0.7 for composites.
[ticket:1976]
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. |