Sets the expiration time for a message.

Parameters

Remarks

You can read this header after a message is received and until a rollback or commit occurs; after that you cannot read it.

See also

• Setting up SQL applications
• ml_qa_getexpiration
• ml_qa_createmessage
• ml_qa_getmessage

Example

In the following example, a message is created so that if it is not delivered within the next 3 days it expires:

begin
    declare @msgid varchar(128);
    set @msgid = ml_qa_createmessage();
    call ml_qa_setexpiration( @msgid, dateadd( day, 3, current timestamp ) );
    call ml_qa_settextcontent( @msgid, 'time-limited offer' );
    call ml_qa_putmessage( @msgid, 'clientid\queuename' );
    commit;
end