Bug #45640 optimizer bug produces wrong results
Submitted: 21 Jun 2009 14:35 Modified: 20 Jun 2010 22:28
Reporter: Matthew Lord Email Updates:
Status: Closed Impact on me:
None 
Category:MySQL Server: Optimizer Severity:S1 (Critical)
Version:5.0.84-bzr, 5.1.35, 5.1.36-bzr, 5.4.4-bzr OS:Any
Assigned to: Gleb Shchepa CPU Architecture:Any

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:

[10 Nov 2009 9:38] Gleb Shchepa
An intermediate patch: it solves the problem for simple GROUP BY expressions ("BY aa, ...", where "aa" is a subselect alias)

Attachment: 45640.patch (text/x-patch), 4.15 KiB.