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-rw-r--r--lib/sqlalchemy/sql/roles.py4
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/sqlalchemy/sql/roles.py b/lib/sqlalchemy/sql/roles.py
index 2c4ff75c4..52743bd50 100644
--- a/lib/sqlalchemy/sql/roles.py
+++ b/lib/sqlalchemy/sql/roles.py
@@ -44,6 +44,10 @@ class ColumnArgumentOrKeyRole(ColumnArgumentRole):
_role_name = "Column expression or string key"
+class StrAsPlainColumnRole(ColumnArgumentRole):
+ _role_name = "Column expression or string key"
+
+
class ColumnListRole(SQLRole):
"""Elements suitable for forming comma separated lists of expressions."""