(But don't use my format string, it's very wrong!)
On Thu, Jun 25, 2015 at 3:20 PM, Colin Lieberman <clieberman@xxxxxxxxxxxx> wrote:
You may be looking for to_char:# select to_char( now() - '2015-06-25', 'YYYY-MM-DD HH24:mm:ss' );to_char---------------------0000-00-00 15:00:43(1 row)On Wed, Jun 24, 2015 at 9:11 PM, litu16 <litumelendez@xxxxxxxxx> wrote:This is my table...
<http://postgresql.nabble.com/file/n5855074/screenshot.jpg>
I would like to get the time difference between 'time_type = Lap' AND
'time_type = Start' in order to fill 'time_elapse'. Im almost sure that this
code works...
* CREATE OR REPLACE FUNCTION timediff()
RETURNS trigger AS
$BODY$
DECLARE
t_ix real;
BEGIN
IF NEW.time_type = 'Lap' THEN
SELECT t.time FROM table_ebscb_spa_log04 t WHERE t.fn_name =
NEW.fn_name AND t.time_type = 'Start' ORDER BY t.stmtserial DESC LIMIT 1
INTO t_ix;
IF NOT FOUND THEN
RAISE EXCEPTION USING MESSAGE = 'There is not any previous
row...';
ELSE
NEW.time_elapse := t_ix - NEW.time;
END IF;
END IF;
return NEW;
END
$BODY$
LANGUAGE plpgsql VOLATILE*
But I don't know how to get the time difference between the two timestamps
cells in a special format: (years/months/days
hours:minutes:seconds:miliseconds) like this...
* 0y/0m/0d 00:00:01.001*
Is this possible??
Thanks Advanced.
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