if (log.isDebugEnabled()) {log.debug("op_sql_response ");}
log.debug("op_sql_response ");
    private Object[] receiveSqlResponse(isc_db_handle_impl db,                                       XSQLDA xsqlda) throws GDSException {        try {            if (log.isDebugEnabled()) {log.debug("op_sql_response ");}            if (readOperation(db) == op_sql_response) {                int messages = db.in.readInt();                if (log.isDebugEnabled()) {log.debug("received");}                if (messages > 0) {                    return readSQLData(db, xsqlda);                }                else {                    return null;                }            } else {                if (log.isDebugEnabled()) {log.debug("not received");}                throw new GDSException(isc_net_read_err);            }        } catch (IOException ex) {           log.warn("IOException in receiveSQLResponse", ex);            throw new GDSException(isc_net_read_err, ex.toString());        }    }