Bug #64780 These is impossible
Submitted: 27 Mar 2012 20:33 Modified: 30 Apr 2012 6:20
Reporter: José Nazário Email Updates:
Status: No Feedback Impact on me:
None 
Category:MySQL Server: InnoDB storage engine Severity:S1 (Critical)
Version:5.5.16 OS:Any
Assigned to: CPU Architecture:Any
Tags: wrong error

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:

[28 Mar 2012 23:30] José Nazário
You can see the garbage that goes into table when bug append

Attachment: MysqlUpdateBug.JPG (image/jpeg, text), 185.58 KiB.