Calculation from time stamps through to amount due
I have three fixed data columns in a table used to log developer time and payment due
start_time end_time
I have this trigger which works:
set new.elapsed=(TIMESTAMPDIFF(MINUTE , new.start_time , new.end_time ) / 60.00);
# the total time will be entered into the column "elapsed"
# now I want to multiply the rate e.g. $40.00 per hour by the elapsed time
# to get the amount do for each row.
# but the following throws and error.
set new.elapsed=(TIMESTAMPDIFF(MINUTE , new.start_time , new.end_time ) / 60.00;
set new.amount_due=(elapsed * rate)
What am I doing wrong?
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Calculation from time stamps through to amount due
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