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-rw-r--r--lib/sqlalchemy/orm/evaluator.py5
1 files changed, 3 insertions, 2 deletions
diff --git a/lib/sqlalchemy/orm/evaluator.py b/lib/sqlalchemy/orm/evaluator.py
index 3f2a83a02..c58aaebbf 100644
--- a/lib/sqlalchemy/orm/evaluator.py
+++ b/lib/sqlalchemy/orm/evaluator.py
@@ -62,9 +62,10 @@ class EvaluatorCompiler(object):
key = parentmapper._columntoproperty[clause].key
else:
key = clause.key
- if self.target_cls and key in inspect(self.target_cls).column_attrs:
+ if self.target_cls and \
+ key in inspect(self.target_cls).column_attrs:
util.warn(
- "Evaluating non-mapped column expression '%r' onto "
+ "Evaluating non-mapped column expression '%s' onto "
"ORM instances; this is a deprecated use case. Please "
"make use of the actual mapped columns in ORM-evaluated "
"UPDATE / DELETE expressions." % clause)