On Sep 10, 2007, at 10:44 , rihad wrote:
> SELECT
> (CAST(stop_time AS SECONDS) + 86400 - CAST(start_time AS SECONDS))
> % 86400;
"seconds" isn't a datatype. Try extract(epoch from (stop_time -
start_time))
The manual is quite extensive:
http://www.postgresql.org/docs/8.2/interactive/functions-
datetime.html#FUNCTIONS-DATETIME-EXTRACT
Michael Glaesemann
grzm seespotcode net