RE: Slow query using string functions

2010-05-27 Thread Jerry Schwartz
.8796 / FAX: 860.674.8341 www.the-infoshop.com >-Original Message- >From: baron.schwa...@gmail.com [mailto:baron.schwa...@gmail.com] On Behalf Of >Baron Schwartz >Sent: Thursday, May 27, 2010 9:09 AM >To: MySql >Subject: Re: Slow query using string functions > >Jerry,

RE: Slow query using string functions

2010-05-27 Thread Jerry Schwartz
>-Original Message- >From: Gavin Towey [mailto:gto...@ffn.com] >Sent: Wednesday, May 26, 2010 7:39 PM >To: je...@gii.co.jp; mysql@lists.mysql.com >Subject: RE: Slow query using string functions > >Jerry, > >Are you sure this is really your explain plan for this

Re: Slow query using string functions

2010-05-27 Thread Baron Schwartz
Jerry, On Wed, May 26, 2010 at 5:13 PM, Jerry Schwartz wrote: > I have a pretty simple query that seems to take a lot longer than it ought to > (over 2 minutes). > I suspect that if you watch Handler_ stats, you'll find that the EXPLAIN estimate is wrong for some reason and it's accessing many m

Re: Slow query using string functions

2010-05-27 Thread Joerg Bruehe
Hi! Jerry Schwartz wrote: > I have a pretty simple query that seems to take a lot longer than it ought to > (over 2 minutes). > > [[...]] > > SELECT > feed_new.new_title AS `New Title FROM Feed`, > prod.prod_pub_prod_id AS `Lib Code FROM DB`, > prod.prod_title AS `Title FROM

RE: Slow query using string functions

2010-05-26 Thread Gavin Towey
Jerry, Are you sure this is really your explain plan for this query? That's not at all what I would expect to see. Regards, Gavin Towey -Original Message- From: Jerry Schwartz [mailto:je...@gii.co.jp] Sent: Wednesday, May 26, 2010 2:14 PM To: mysql@lists.mysql.com Subject: Slow query