diff options
Diffstat (limited to 'lib/sqlalchemy/sql')
| -rw-r--r-- | lib/sqlalchemy/sql/coercions.py | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/lib/sqlalchemy/sql/coercions.py b/lib/sqlalchemy/sql/coercions.py index 8c7963205..76ba7e214 100644 --- a/lib/sqlalchemy/sql/coercions.py +++ b/lib/sqlalchemy/sql/coercions.py @@ -109,7 +109,14 @@ def _expression_collection_was_a_list(attrname, fnname, args): return args -def expect(role, element, apply_propagate_attrs=None, argname=None, **kw): +def expect( + role, + element, + apply_propagate_attrs=None, + argname=None, + post_inspect=False, + **kw +): if ( role.allows_lambda # note callable() will not invoke a __getattr__() method, whereas @@ -157,7 +164,8 @@ def expect(role, element, apply_propagate_attrs=None, argname=None, **kw): if impl._use_inspection: insp = inspection.inspect(element, raiseerr=False) if insp is not None: - insp._post_inspect + if post_inspect: + insp._post_inspect try: resolved = insp.__clause_element__() except AttributeError: |