Bug #35298 GROUP_CONCAT with DISTINCT can crash the server
Submitted: 14 Mar 2008 17:45 Modified: 14 May 2008 2:26
Reporter: Franz Hänel Email Updates:
Status: Closed Impact on me:
None 
Category:MySQL Server Severity:S2 (Serious)
Version:5.0.56/5.0/5.1/6.0BK OS:Linux
Assigned to: Alexey Kopytov CPU Architecture:Any
Tags: crash, distinct, group_concat

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: