Re: set-level update fails with unique constraint violation
Hi,
This seems to work..
UPDATE x set i=i+1
from (select i as m from x order by m desc) y where x.i = y.m
Jayadevan
From: neuhauser+pgsql-general#postgresql.org@sigpipe.cz
To: pgsql-general@postgresql.org
Date: 12/31/2009 09:15 PM
Subject: [GENERAL] set-level update fails with unique constraint violation
Sent by: pgsql-general-owner@postgresql.org
Hello,
this fails with "duplicate key value":
CREATE TABLE x (
i INT NOT NULL UNIQUE
);
INSERT INTO x (i) VALUES (1), (2), (3);
UPDATE x SET i = i + 1;
are there any plans to make this work?
--
Roman Neuhauser
--
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This seems to work..
UPDATE x set i=i+1
from (select i as m from x order by m desc) y where x.i = y.m
Jayadevan
From: neuhauser+pgsql-general#postgresql.org@sigpipe.cz
To: pgsql-general@postgresql.org
Date: 12/31/2009 09:15 PM
Subject: [GENERAL] set-level update fails with unique constraint violation
Sent by: pgsql-general-owner@postgresql.org
Hello,
this fails with "duplicate key value":
CREATE TABLE x (
i INT NOT NULL UNIQUE
);
INSERT INTO x (i) VALUES (1), (2), (3);
UPDATE x SET i = i + 1;
are there any plans to make this work?
--
Roman Neuhauser
--
Sent via pgsql-general mailing list (pgsql-general@postgresql.org)
To make changes to your subscription:
http://www.postgresql.org/mailpref/pgsql-general
DISCLAIMER:
"The information in this e-mail and any attachment is intended only for the person to whom it is addressed and may contain confidential and/or privileged material. If you have received this e-mail in error, kindly contact the sender and destroy all copies of the original communication. IBS makes no warranty, express or implied, nor guarantees the accuracy, adequacy or completeness of the information contained in this email or any attachment and is not liable for any errors, defects, omissions, viruses or for resultant loss or damage, if any, direct or indirect."
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