graphql-engine/docs/examples_schema_migrations/1530877309397_run_sql_migration.up.yaml

- args:
    sql: |-
      CREATE FUNCTION test_func() RETURNS trigger AS $emp_stamp$
               BEGIN
                   NEW.output := UPPER(NEW.input);
                   RETURN NEW;
               END;
           $emp_stamp$ LANGUAGE plpgsql;

           CREATE TRIGGER test_trigger BEFORE INSERT OR UPDATE ON sql_function_table
               FOR EACH ROW EXECUTE PROCEDURE test_func();      
  type: run_sql