From: | Stephen Davies <scldad(at)sdc(dot)com(dot)au> |
---|---|
To: | Bruce Momjian <maillist(at)candle(dot)pha(dot)pa(dot)us> |
Cc: | pgsql-general(at)postgreSQL(dot)org |
Subject: | Re: [GENERAL] Limit on multi-field indexes? |
Date: | 1998-09-23 00:01:35 |
Message-ID: | 199809230001.JAA11368@mustang.sdc.com.au |
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Lists: | pgsql-general |
> > Am I correct in believing that there is a limit of seven columns in a
> > multi-filed index?
> >
> > If so, is it possible to increase this limit (to at least eight) ?
> >
> > Cheers and thanks,
>
> Not easily. The columns are stored in an int28 column, that holds 8
> two-byte integer. We would have to change that to a larger field. Very
> few people have asked for this.
>
Getting desperate here.
If it holds 8 integers, why can't I have 8 columns in a multi-field index?
I am currently writing a tool to replicate any database to a PostgreSQL mirror
and the very first customer for this tool has several tables with 8 fields in
their primary key. Sod's Law:-((
Cheers and thanks,
Stephen.
========================================================================
Stephen Davies Consulting scldad(at)sdc(dot)com(dot)au
Adelaide, South Australia. Voice: 61-8-82728863
Computing & Network solutions. Fax: 61-8-82741015
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