Re: Trouble with UNIX TimeStamps

From: Simon Mitchell <pgsql(at)jseb(dot)com>
To: jchum(at)aismedia(dot)com
Cc: pgsql-general(at)postgresql(dot)org
Subject: Re: Trouble with UNIX TimeStamps
Date: 2002-12-27 16:23:16
Message-ID: 3E0C7E74.5030901@jseb.com
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Another way

You could replace
AND ticket_starters.ticket_time_start > '".(time()-(60*60*24*365))."'

with

AND ticket_starters.ticket_time_start > date_part('epoch', now())
-(60*60*24*365)

I did a search and found this solution on this page
http://www.archonet.com/pgdocs/date-to-epoch.html

Regards,
Simon

Jonathan Chum wrote:

>Hi Guys,
>
>I'm new to PostGreSQL functions, in particular the date/time functions. I'm
>porting my application away from MySQL
>
>The query I'm having trouble converting a mySQL query that looks like this:
>
>SELECT count(*) AS total,
>DAYNAME(FROM_UNIXTIME(ticket_starters.ticket_time_start)) AS day FROM
>ticket_queues
> LEFT JOIN ticket_techs ON ticket_techs.queue_id = ticket_queues.queue_id
> LEFT JOIN ticket_starters ON ticket_starters.queue_id =
>ticket_techs.queue_id
> WHERE
> AND ticket_starters.ticket_time_start > '".(time()-(60*60*24*365))."'
> GROUP BY day, total
>
>The table column, ticket_starters.ticket_time_start is an INT type which
>contains a UNIX timestamp. I did not see anywhere in the Interactive docs
>how'd I convert the UNIX timestamp into a timestamp type so I can extract
>the day name. I'd rather not use PostGreSQL's timestamp types and just
>convert the database over to it since much of the programming utilizes the
>UNIX timestamp. Any ideas?
>
>Regards,
>Jonathan Chum
>Systems Developer
>
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