get difference between two timestamp value in second?

Started by Sergiy Ovcharukover 24 years ago2 messages
#1Sergiy Ovcharuk
Sergey.Ovcharuk@tessart.kiev.ua

Hello Group!
Does anybody knows how I can get the difference between two date (timestamp)
is secondes or convert timestamp to integer or float type (in any acceptable
sense).

Thank you in advance,
Sergiy.

#2Thomas Lockhart
lockhart@alumni.caltech.edu
In reply to: Sergiy Ovcharuk (#1)
Re: get difference between two timestamp value in second?

Does anybody knows how I can get the difference between two date (timestamp)
is secondes or convert timestamp to integer or float type (in any acceptable
sense).

lockhart=# select date_part('epoch', timestamp 'today' - timestamp
'yesterday');
date_part
-----------
86400