Re: CREATE TABLE LIKE INCLUDING INDEXES support

From: NikhilS <nikkhils(at)gmail(dot)com>
To: "Tom Lane" <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: "Gregory Stark" <stark(at)enterprisedb(dot)com>, "Neil Conway" <neilc(at)samurai(dot)com>, "Bruce Momjian" <bruce(at)momjian(dot)us>, "Trevor Hardcastle" <chizu(at)spicious(dot)com>, pgsql-patches(at)postgresql(dot)org
Subject: Re: CREATE TABLE LIKE INCLUDING INDEXES support
Date: 2007-05-20 06:34:37
Message-ID: d3c4af540705192334m208fb311ubccbe77fdf899db7@mail.gmail.com
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Hi,

> > Since this patch is going to consider creating unique/primary indexes
> > assuming them to be constraints,
>
> If it does that it will be rejected. There is a difference here and
> that difference has to be maintained.
>
> The correct way to think about this is that a pg_constraint entry of
> type "unique" or "primary key" has an associated index that is part of
> its implementation (and therefore has an "internal" dependency on the
> constraint). But they are far from being the same thing.

Thanks Tom, I understand the difference now. I have a working patch and will
send it to Neil for review tommorrow.

Regards,
Nikhils

--
EnterpriseDB http://www.enterprisedb.com

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