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-rw-r--r--lib/sqlalchemy/sql_util.py5
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/sqlalchemy/sql_util.py b/lib/sqlalchemy/sql_util.py
index db3590cd8..3eb4b6d06 100644
--- a/lib/sqlalchemy/sql_util.py
+++ b/lib/sqlalchemy/sql_util.py
@@ -221,5 +221,8 @@ class ClauseAdapter(AbstractClauseProcessor):
return None
newcol = self.selectable.corresponding_column(col, raiseerr=False, keys_ok=False)
if newcol is None and self.equivalents is not None and col in self.equivalents:
- newcol = self.selectable.corresponding_column(self.equivalents[col], raiseerr=False, keys_ok=False)
+ for equiv in self.equivalents[col]:
+ newcol = self.selectable.corresponding_column(equiv, raiseerr=False, keys_ok=False)
+ if newcol:
+ return newcol
return newcol