Refs #11964 -- Removed SimpleCol in favor of Query(alias_cols).

This prevent having to pass simple_col through multiple function calls
by defining whether or not references should be resolved with aliases
at the Query level.

1 files changed, 2 insertions, 2 deletions

diff --git a/django/db/models/constraints.py b/django/db/models/constraints.py
index fe0d42a168..96205b44ad 100644
--- a/django/db/models/constraints.py
+++ b/django/db/models/constraints.py
@@ -33,7 +33,7 @@ class CheckConstraint(BaseConstraint):
         super().__init__(name)
 
     def _get_check_sql(self, model, schema_editor):
-        query = Query(model=model)
+        query = Query(model=model, alias_cols=False)
         where = query.build_where(self.check)
         compiler = query.get_compiler(connection=schema_editor.connection)
         sql, params = where.as_sql(compiler, schema_editor.connection)
@@ -77,7 +77,7 @@ class UniqueConstraint(BaseConstraint):
     def _get_condition_sql(self, model, schema_editor):
         if self.condition is None:
             return None
-        query = Query(model=model)
+        query = Query(model=model, alias_cols=False)
         where = query.build_where(self.condition)
         compiler = query.get_compiler(connection=schema_editor.connection)
         sql, params = where.as_sql(compiler, schema_editor.connection)