return doQuery(sql, params);
return c.doQuery(sql, params, statements);
    public ResultSet getColumnPrivileges(String catalog, String schema,        String table, String columnNamePattern) throws SQLException {        checkCatalogAndSchema(catalog, schema);        Clause columnClause = new Clause("RF.RDB$FIELD_NAME", columnNamePattern);        String sql = GET_COLUMN_PRIVILEGES_START;        sql += columnClause.getCondition();        sql += GET_COLUMN_PRIVILEGES_END;        ArrayList params = new ArrayList();        params.add(table);        if (!columnClause.getCondition().equals("")) {            params.add(columnClause.getValue());        }        return doQuery(sql, params);    }