From: | "A(dot) Kretschmer" <andreas(dot)kretschmer(at)schollglas(dot)com> |
---|---|
To: | pgsql-novice(at)postgresql(dot)org |
Subject: | Re: Subquery in INSERT? |
Date: | 2006-10-17 12:13:21 |
Message-ID: | 20061017121321.GE19268@a-kretschmer.de |
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Thread: | |
Lists: | pgsql-novice |
am Tue, dem 17.10.2006, um 5:06:59 -0700 mailte Wilfred Benson folgendes:
> What I'm trying to do is copy a value from one column to another in the
> same table. The table looks like this:
>
> first | second
> ---------------------
> 1 |
> 2 |
> 3 |
> 4 |
> ...
>
> It's named 'copier'.
>
> The first column is sequence-generated, and the second has yet to have
> anything loaded (at this stage it's only a test table). So what I'm trying
> to do is quick copy of '1' from 'first' to 'second' with this query:
update copier set second = first;
Andreas
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Andreas Kretschmer
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