Re: WHERE IN performance

2003-10-30 Thread Matt W
dummy values). If you're using MySQL 3.23, I've noticed that the query parser seems much, much faster in 4.0. Matt - Original Message - From: "Knepley, Jim" Sent: Thursday, October 30, 2003 4:48 PM Subject: WHERE IN performance Is it anyone elses experience that queries

Re: WHERE IN performance

2003-10-30 Thread bluejack
On Thu, 30 Oct 2003 15:48:05 -0700, Knepley, Jim <[EMAIL PROTECTED]> wrote: Is it anyone elses experience that queries with large IN stanzas in a WHERE clause don't scale very well? It seems like it's beyond a linear performance hit when I have a large number (thousands) of tokens in an IN clause,

WHERE IN performance

2003-10-30 Thread Knepley, Jim
Is it anyone elses experience that queries with large IN stanzas in a WHERE clause don't scale very well? It seems like it's beyond a linear performance hit when I have a large number (thousands) of tokens in an IN clause, even when the matching field is indexed. Is this something that buffer twe