Re: defferable update & unique - Mailing list pgsql-general

From Ben-Nes Michael
Subject Re: defferable update & unique
Date
Msg-id 006901c3b1a5$c12651a0$0500a8c0@canaan.co.il
Whole thread Raw
In response to Re: defferable update & unique  (Bruce Momjian <pgman@candle.pha.pa.us>)
List pgsql-general
i found a workaround, but relativly slow.

The column is not unique and when the update is finished i fire up a trigger
that check for uniqueness.

lets wait for pg7.5 :)

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--------------------------
----- Original Message -----
From: "Bruce Momjian" <pgman@candle.pha.pa.us>
To: "Ben-Nes Michael" <miki@canaan.co.il>
Cc: "postgresql" <pgsql-general@postgresql.org>
Sent: Wednesday, November 19, 2003 6:39 PM
Subject: Re: [GENERAL] defferable update & unique


> Ben-Nes Michael wrote:
> > Hi All
> >
> > Does 7.4 support defferable updates on unique column ?
> >
> > example
> >
> > unique INT colum named u_test has the following values: 1, 2, 3, 4, 5
> >
> > can i do update table set u_test = u_test + 1;
>
> No, this is on our TODO list.  Also, I can't think of a workaround.  :-(
>
> --
>   Bruce Momjian                        |  http://candle.pha.pa.us
>   pgman@candle.pha.pa.us               |  (610) 359-1001
>   +  If your life is a hard drive,     |  13 Roberts Road
>   +  Christ can be your backup.        |  Newtown Square, Pennsylvania
19073
>



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