| From: | Sam Barnett-Cormack <s(dot)barnett-cormack(at)lancaster(dot)ac(dot)uk> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Ricardo Vaz Mannrich <rvm_l1(at)silcom(dot)com(dot)br>, pgsql-admin(at)postgresql(dot)org |
| Subject: | Re: Slow Foreign Key |
| Date: | 2004-03-22 21:34:46 |
| Message-ID: | Pine.LNX.4.58.0403222134180.2639@short.lancs.ac.uk |
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| Lists: | pgsql-admin |
On Mon, 22 Mar 2004, Tom Lane wrote:
> Ricardo Vaz Mannrich <rvm_l1(at)silcom(dot)com(dot)br> writes:
> > Is FOREIGN KEY so slow like that?
>
> Not normally. Have you checked that the referencing and referenced
> columns are of the same datatype? Have you done ANALYZE on both tables
> recently?
Other question that seems, from my experience, to be relevant - are the
referenced/referencing columns indexed?
--
Sam Barnett-Cormack
Software Developer | Student of Physics & Maths
UK Mirror Service (http://www.mirror.ac.uk) | Lancaster University
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