Bug #24420 (a,b) IN (SELECT a,min(b) FROM t GROUP BY a) can produce wrong results
Submitted: 18 Nov 2006 22:49 Modified: 7 Feb 2007 19:11
Reporter: Igor Babaev Email Updates:
Status: Closed Impact on me:
None 
Category:MySQL Server: Optimizer Severity:S2 (Serious)
Version: OS:
Assigned to: Igor Babaev 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: