Bug #67978 Signed zero is handled incorrectly by HASH indexes and GROUP BY
Submitted: 27 Dec 2012 6:13 Modified: 29 Dec 2012 16:21
Reporter: Alexey Kopytov Email Updates:
Status: Verified Impact on me:
None 
Category:MySQL Server: Memory storage engine Severity:S3 (Non-critical)
Version:5.1, 5.5, 5.6 OS:Any
Assigned to: 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: