From: Rodrigo De León <rdeleonp@gmail.com>
To: pgsql-sql@postgresql.org
Subject: Re: calculate time diffs across rows with single timestamp
Date: Wed, 13 Jun 2007 16:51:55 -0000
Message-ID: <1181753515.419178.63440@j4g2000prf.googlegroups.com> (raw)
In-Reply-To: <467018B0.30108@ibss.net>
References: <467018B0.30108@ibss.net>
On Jun 13, 11:17 am, bsingle...@ibss.net (Bob Singleton) wrote:
> Any suggestions on how I can build a result set that would return
>
> ASSET 001 AAA 1:00 (1 hour)
> ASSET 001 BBB 0:10 (10 minutes)
> ASSET 001 CCC 0:08 (8 minutes)
> ASSET 001 DDD {difference between timestamp and now()}
> ASSET 002 AAA 0:03 (3 minutes)
> ASSET 002 BBB {difference detween timestamp and now()}
> ASSET 003 AAA{diff between timestamp and now()}
SELECT
TYPE, ID, STATUS
, (COALESCE(
(SELECT MIN(DATETIME) FROM STATUSLOG
WHERE TYPE = S.TYPE AND ID = S.ID AND DATETIME > S.DATETIME)
, NOW()::TIMESTAMP
) - DATETIME) AS DURATION
FROM STATUSLOG S
ORDER BY TYPE, ID, STATUS
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To: pgsql-sql@postgresql.org
Cc: rdeleonp@gmail.com
Subject: Re: calculate time diffs across rows with single timestamp
In-Reply-To: <1181753515.419178.63440@j4g2000prf.googlegroups.com>
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