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-rw-r--r--tests/dialects/test_postgres.py1
1 files changed, 1 insertions, 0 deletions
diff --git a/tests/dialects/test_postgres.py b/tests/dialects/test_postgres.py
index 9c4246e..61421e5 100644
--- a/tests/dialects/test_postgres.py
+++ b/tests/dialects/test_postgres.py
@@ -33,6 +33,7 @@ class TestPostgres(Validator):
self.assertIsInstance(expr, exp.AlterTable)
self.assertEqual(expr.sql(dialect="postgres"), alter_table_only)
+ self.validate_identity("SELECT x FROM t WHERE CAST($1 AS TEXT) = 'ok'")
self.validate_identity("SELECT * FROM t TABLESAMPLE SYSTEM (50) REPEATABLE (55)")
self.validate_identity("x @@ y")
self.validate_identity("CAST(x AS MONEY)")