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Re: Calculation from time stamps through to amount due
Posted by: Kailas Natha
Date: September 05, 2016 02:46PM

Odd... I thought for sure I had posted a "success" reply yesterday...

Your method of running the SQL helps (of course) and I intuited that "new.rate" was required... also "BEFORE" insert works but AFTER does not..

this is working now:

delimiter go

CREATE trigger calculate_time_rate
BEFORE insert
ON admin_time_tracker
FOR each row


BEGIN
set new.elapsed=(TIMESTAMPDIFF(MINUTE , new.start_time , new.end_time ) / 60.00),
new.amount_due=(new.elapsed * new.rate)

END;
go
delimiter ;

Case closed.

Peter, thank you for your patient hand-holding. I'm sure dealing with untrained, inexperienced newbie MySQL hackers can be exasperating at times. We all appreciate your generous work in responding to us! Cheers from Hawaii. (I live on Kauai)

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Re: Calculation from time stamps through to amount due
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