Subject: Re: Cannot insert dup id in pk
From: Scott Cain <cain@cshl.org>
To: Dmitry Tkach <dmitry@openratings.com>
Cc: pgsql-sql@postgresql.org
In-Reply-To: <3F1412F6.2020100@openratings.com>
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	<3F1412F6.2020100@openratings.com>
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Organization: Cold Spring Harbor Lab
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Date: 15 Jul 2003 12:47:32 -0400
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On Tue, 2003-07-15 at 10:43, Dmitry Tkach wrote:
> You must have your sequence out of date with the content of the table 
> (so that the next value in the sequence has already been inserted).
> One way to get into a situation like that is loading the table data with 
> COPY (the input contains the pks, and the COPY command does not update 
> the sequence, you have to do that manually after the copy is done).

Yes, this is exactly what happened.  I had no idea that copy didn't
update the sequence.  I suspect I've got users who are being bitten by
this and don't realize it.  I'll have to change my "bulk loading" script
to update the sequence after the load is done.

Thanks much,
Scott

-- 
------------------------------------------------------------------------
Scott Cain, Ph. D.                                         cain@cshl.org
GMOD Coordinator (http://www.gmod.org/)                     216-392-3087
Cold Spring Harbor Laboratory