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Diffstat (limited to 'lib/sqlalchemy/orm/identity.py')
| -rw-r--r-- | lib/sqlalchemy/orm/identity.py | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/lib/sqlalchemy/orm/identity.py b/lib/sqlalchemy/orm/identity.py index 46be2b719..b42703855 100644 --- a/lib/sqlalchemy/orm/identity.py +++ b/lib/sqlalchemy/orm/identity.py @@ -208,6 +208,18 @@ class WeakInstanceDict(IdentityMap): class StrongInstanceDict(IdentityMap): + """A 'strong-referencing' version of the identity map. + + .. deprecated:: this object is present in order to fulfill + the ``weak_identity_map=False`` option of the Session. + This option is present to allow compatibility with older applications, + but it is recommended that strong references to objects + be maintained by the calling application + externally to the :class:`.Session` itself, to the degree + that is needed by the application. + + """ + if util.py2k: def itervalues(self): return self._dict.itervalues() |