Re: SQL Question - Almost, Not Quite...

From: Bruno Wolff III <bruno(at)wolff(dot)to>
To: operationsengineer1(at)yahoo(dot)com
Cc: "pgsql-novice(at)postgresql(dot)org" <pgsql-novice(at)postgresql(dot)org>
Subject: Re: SQL Question - Almost, Not Quite...
Date: 2006-05-25 21:56:46
Message-ID: 20060525215646.GA6020@wolff.to
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On Thu, May 25, 2006 at 14:30:05 -0700,
operationsengineer1(at)yahoo(dot)com wrote:
>
> Bruno, no worries. i didn't explain what i wanted too
> well. i'm *only* interested in the last (latest
> timestamp) inspect_result for each inspect_id.

Then DISTINCT ON is the the simplest way to do this. You can ORDER BY
inspect_id DESC, timestamp DESC to get the last record for each inspect_id.
This is not standard SQL though.

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