From b92007da7d9cd7453a2da9f1767e8a988f05acb7 Mon Sep 17 00:00:00 2001 From: Mike Bayer Date: Sat, 15 Jun 2013 15:20:48 -0400 Subject: Fixed bug in polymorphic SQL generation where multiple joined-inheritance entities against the same base class joined to each other as well would not track columns on the base table independently of each other if the string of joins were more than two entities long. Also in 0.8.2. [ticket:2759] --- lib/sqlalchemy/orm/query.py | 15 ++++++++++----- 1 file changed, 10 insertions(+), 5 deletions(-) (limited to 'lib/sqlalchemy') diff --git a/lib/sqlalchemy/orm/query.py b/lib/sqlalchemy/orm/query.py index 54f5d7393..bd3ee8f72 100644 --- a/lib/sqlalchemy/orm/query.py +++ b/lib/sqlalchemy/orm/query.py @@ -203,17 +203,22 @@ class Query(object): self._polymorphic_adapters.pop(m.local_table, None) def _adapt_polymorphic_element(self, element): + if "parententity" in element._annotations: + search = element._annotations['parententity'] + alias = self._polymorphic_adapters.get(search, None) + if alias: + return alias.adapt_clause(element) + if isinstance(element, expression.FromClause): search = element elif hasattr(element, 'table'): search = element.table else: - search = None + return None - if search is not None: - alias = self._polymorphic_adapters.get(search, None) - if alias: - return alias.adapt_clause(element) + alias = self._polymorphic_adapters.get(search, None) + if alias: + return alias.adapt_clause(element) def _adapt_col_list(self, cols): return [ -- cgit v1.2.1