Skip site navigation (1) Skip section navigation (2)

Re: Speed difference between != and = operators?

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Paul Caskey <paul(at)nmxs(dot)com>
Cc: Postgres Users <pgsql-general(at)postgresql(dot)org>
Subject: Re: Speed difference between != and = operators?
Date: 2000-07-31 20:10:55
Message-ID: 12847.965074255@sss.pgh.pa.us (view raw or flat)
Thread:
Lists: pgsql-general
Paul Caskey <paul(at)nmxs(dot)com> writes:
> This query takes 206 seconds:
> [snip]
> If I change the last line to this, it takes 1 second:

What does EXPLAIN show for these queries?

			regards, tom lane

In response to

pgsql-general by date

Next:From: Bryan WhiteDate: 2000-07-31 20:12:56
Subject: Re: Corrupted Table
Previous:From: Tom LaneDate: 2000-07-31 20:09:29
Subject: Re: How I can undelete recodes?

Privacy Policy | About PostgreSQL
Copyright © 1996-2014 The PostgreSQL Global Development Group