sql = sql.toLowerCase();
    protected boolean checkForEscapes(String sql) {        return  sql.indexOf(CHECK_CALL_1) != -1 ||                sql.indexOf(CHECK_CALL_2) != -1 ||                sql.indexOf(CHECK_DATE) != -1 ||                sql.indexOf(CHECK_ESCAPE) != -1 ||                sql.indexOf(CHECK_FUNCTION) != -1 ||                sql.indexOf(CHECK_OUTERJOIN) != -1 ||                sql.indexOf(CHECK_TIME) != -1 ||                sql.indexOf(CHECK_TIMESTAMP) != -1;    }