fixed security problem

test/CDB_QueryTablesTest_expect

@@ -13,3 +13,5 @@ CREATE SCHEMA
 CREATE TABLE
 INSERT 0 1
 select * from sc.test|{sc.test}
+SELECT
+* FROM geometry_columns|{pg_catalog.pg_attribute,pg_catalog.pg_class,pg_catalog.pg_namespace,pg_catalog.pg_type}