Обсуждение: Elapsed time between timestamp variables in Function

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Elapsed time between timestamp variables in Function

От
"Nico Callewaert"
Дата:
Hi !
 
I saw previous postings about elapsed time between 2 timestamps, using SELECT EXTRACT...
I have similar question, but it's not in a select statement, but between 2 variables in a function.
 
To keep it simple, I have 2 variables, let's say A and B, both TimeStamp.  Now I would like to know the absolute value of elapsed seconds between the 2 timestamps.  Has to be absolute value, because can be positive or negative, depends if A > B or A < B.
I tried with age(A, B), but that gives me something like 00:00:01, not really numeric value for number of seconds.
 
Many thanks in advance !
Nico