This polling event accepts SQL script and is fired after a begin_poll event. The return value specifies the shutdown state of the Notifier. The value is null by default, so this event is not fired.

To shut down the Notifier, set up your SQL script to return ''yes''; otherwise, set it to return ''no''. If the Notifier shuts down, the end_poll event is not fired.

When storing the shutdown state in a table, use the end_connection event to reset the state.

 See also

 Example

CALL ml_add_property('SIS', 'Notifier(Simple)', 'shutdown_query',
    'SELECT 
        IF tooManyNotifierErrors() THEN
            ''yes''
        ELSE
            ''no''
        ENDIF'
);