Re: Ensure all implicit constraints are named

From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: Rod Taylor <rbt(at)rbt(dot)ca>
Cc: PostgreSQL Patches <pgsql-patches(at)postgresql(dot)org>
Subject: Re: Ensure all implicit constraints are named
Date: 2003-06-25 04:09:22
Message-ID: 200306250409.h5P49MH06576@candle.pha.pa.us
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Patch applied to HEAD and 7.3.X. Thanks.

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Rod Taylor wrote:
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> If they're not, the below causes problems, as the foreign key is added
> after the CHECK. Cluster depends on the index name, so I thought it
> wise to ensure all names are available, rather than leaving off the
> CONSTRAINT "$n" portion for internally named constraints.
>
> CREATE TABLE jkey (col integer primary key);
> CREATE TABLE j (col integer REFERENCES jkey);
> ALTER TABLE j ADD CHECK(col > 5);
>
>
> This is a problem in 7.3 series as well as -Tip.
>
> --
> Rod Taylor <rbt(at)rbt(dot)ca>
>
> PGP Key: http://www.rbt.ca/rbtpub.asc

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