Bug #65243 Substring function very slow for longer strings
Submitted: 8 May 2012 17:50 Modified: 8 Jan 2020 22:51
Reporter: Franjo Markovic Email Updates:
Status: Can't repeat Impact on me:
None 
Category:MySQL Server: DML Severity:S5 (Performance)
Version:5.6.4 OS:Windows
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: