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-rw-r--r--lib/sqlalchemy/engine/default.py1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/sqlalchemy/engine/default.py b/lib/sqlalchemy/engine/default.py
index 5806fe2a9..099e694b6 100644
--- a/lib/sqlalchemy/engine/default.py
+++ b/lib/sqlalchemy/engine/default.py
@@ -63,6 +63,7 @@ class DefaultDialect(interfaces.Dialect):
supports_native_enum = False
supports_native_boolean = False
+ non_native_boolean_check_constraint = True
supports_simple_order_by_label = True