From: Greg Sabino Mullane <greg@turnstep.com>
To: pgsql-sql@postgresql.org
Subject: Re: UPDATE WITH ORDER BY
Date: Wed, 27 Apr 2005 12:05:49 -0000
Message-ID: <f4c00ccf32fdcc228c81c684be9b58d5@biglumber.com> (raw)
In-Reply-To: <426DB1A0.2000604@carvalhaes.net>
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> I need to make an UPDATE on a column reordering it with a sequence
> using order by a description
> ...
BEGIN;
CREATE SEQUENCE fruit_seq;
CREATE TABLE newfruit AS SELECT nextval('fruit_seq')::int AS newid, * FROM fruit ORDER BY lower(description);
ALTER TABLE newfruit DROP COLUMN id;
ALTER TABLE newfruit RENAME COLUMN newid TO id;
DROP TABLE fruit;
ALTER TABLE newfruit RENAME TO fruit;
DROP SEQUENCE fruit_seq;
COMMIT;
SELECT * FROM fruit ORDER BY id ASC;
- --
Greg Sabino Mullane greg@turnstep.com
PGP Key: 0x14964AC8 200504270805
http://biglumber.com/x/web?pk=2529DF6AB8F79407E94445B4BC9B906714964AC8
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To: pgsql-sql@postgresql.org
Cc: greg@turnstep.com
Subject: Re: UPDATE WITH ORDER BY
In-Reply-To: <f4c00ccf32fdcc228c81c684be9b58d5@biglumber.com>
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