From: Scott Haneda [mailto:[EMAIL PROTECTED]
Sent: Saturday, May 17, 2008 5:32 PM
To: mysql@lists.mysql.com
Subject: improving random record selection
I posted this a month or so ago, and was helped a little, but I am now
back.
Currently I use select x, y, z from images where (condition) order
-Original Message-
From: Rob Wultsch [mailto:[EMAIL PROTECTED]
Sent: Saturday, May 17, 2008 6:47 PM
To: Scott Haneda
Cc: mysql@lists.mysql.com
Subject: Re: improving random record selection
On Sat, May 17, 2008 at 2:32 PM, Scott Haneda [EMAIL PROTECTED]
wrote:
$sql
On Mon, May 19, 2008 at 7:24 AM, Jerry Schwartz
[EMAIL PROTECTED] wrote:
I might not understand what this is doing, but I think it will preferentially
sample the ids that are at the end of a gap.
What don't you understand about the query or the way I described it?
You say you want a flat
-Original Message-
From: Rob Wultsch [mailto:[EMAIL PROTECTED]
Sent: Monday, May 19, 2008 11:20 AM
To: Jerry Schwartz
Cc: Scott Haneda; mysql@lists.mysql.com
Subject: Re: improving random record selection
On Mon, May 19, 2008 at 7:24 AM, Jerry Schwartz
[EMAIL PROTECTED] wrote:
I might
On Sat, May 17, 2008 at 2:32 PM, Scott Haneda [EMAIL PROTECTED] wrote:
$sql =
SELECT storage_path, image_md5, t.id
FROM images AS t
JOIN
(SELECT CEIL(MAX(id)*RAND()) AS id FROM images) AS x
ON (t.id = x.id)
