From: Tom Lane <tgl@sss.pgh.pa.us>
To: D'Arcy J.M. Cain <darcy@druid.net>
Cc: Roger Tannous <roger77_lb@yahoo.com>
Cc: pgsql-sql@postgresql.org
Subject: Re: A Table's Primary Key Listing
Date: Thu, 18 Aug 2005 16:08:42 -0400
Message-ID: <10279.1124395722@sss.pgh.pa.us> (raw)
In-Reply-To: <20050818135524.74852123.darcy@druid.net>
References: <20050818121844.33a09ad2.darcy@druid.net>
<20050818164057.38362.qmail@web51906.mail.yahoo.com>
<20050818135524.74852123.darcy@druid.net>
"D'Arcy J.M. Cain" <darcy@druid.net> writes:
> That's a good question. The following query does this in a very
> unsatisfactory way. Anyone know what the general solution would be?
> ...
> (
> pg_index.indkey[0]=pg_attribute.attnum OR
> pg_index.indkey[1]=pg_attribute.attnum OR
> pg_index.indkey[2]=pg_attribute.attnum OR
> pg_index.indkey[3]=pg_attribute.attnum OR
> pg_index.indkey[4]=pg_attribute.attnum OR
> pg_index.indkey[5]=pg_attribute.attnum OR
> pg_index.indkey[6]=pg_attribute.attnum OR
> pg_index.indkey[7]=pg_attribute.attnum OR
> pg_index.indkey[8]=pg_attribute.attnum OR
> pg_index.indkey[9]=pg_attribute.attnum
> )
In CVS tip you could replace this with "attnum = ANY (indkey)".
Unfortunately, most array support doesn't work on int2vector in
pre-8.1 releases, so I think you're kinda stuck with the above
for now.
regards, tom lane
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To: pgsql-sql@postgresql.org
Cc: tgl@sss.pgh.pa.us, darcy@druid.net, roger77_lb@yahoo.com
Subject: Re: A Table's Primary Key Listing
In-Reply-To: <10279.1124395722@sss.pgh.pa.us>
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