sql_select_return_states
void sql_select_return_states(const char *cols, struct expression *call,
sql_select_return_states("return_id, return, type, parameter, key, value",
sql_select_return_states("return_id, return, type, parameter, key, value",
sql_select_return_states("return_id, return, type, parameter, key, value", call_expr,
sql_select_return_states("return_id, return, type, parameter, key, value",