Bug #60315 Slow ORDER BY function() if using GROUP BY
Submitted: 3 Mar 2011 14:03 Modified: 15 Jan 2013 14:40
Reporter: Richard Teubel Email Updates:
Status: Not a Bug Impact on me:
None 
Category:MySQL Server: Optimizer Severity:S5 (Performance)
Version:5.1.51, 5.5.8 OS:Linux
Assigned to: CPU Architecture:Any
Tags: FUNCTION, GROUP BY, order by, slow

File: Maximum allowed size is 50MB.
Description:
Privacy:

If the data you need to attach is more than 50MB, you should create a compressed archive of the data, split it to 50MB chunks, and upload each of them as a separate attachment.

To split a large file:

[3 Mar 2011 14:04] Richard Teubel
sloworderby.sql

Attachment: sloworderby.sql (application/octet-stream, text), 1.38 KiB.