Raise exception when we have multiple values with an unknown column. Fixes #3666.

diff --git a/lib/sqlalchemy/sql/crud.py b/lib/sqlalchemy/sql/crud.py
index 58cd80995e9a458161c79155c32c7d0f348759a6..70e03d220de3f1d1893388afea9c915b94973962 100644 (file)
--- a/lib/sqlalchemy/sql/crud.py
+++ b/lib/sqlalchemy/sql/crud.py
@@ -136,7 +136,7 @@ def _get_crud_params(compiler, stmt, **kw):
 
     if parameters and stmt_parameters:
         check = set(parameters).intersection(
-            _column_as_key(k) for k in stmt.parameters
+            _column_as_key(k) for k in stmt_parameters
         ).difference(check_columns)
         if check:
             raise exc.CompileError(