Bug #81684 select + where exists( select + group by + limit) works incorrectly
Submitted: 2 Jun 2016 6:05 Modified: 2 Jun 2016 8:38
Reporter: Su Dylan Email Updates:
Status: Verified Impact on me:
None 
Category:MySQL Server: DML Severity:S1 (Critical)
Version:5.7.8, 5.6.30, 5.7.12 OS:Any
Assigned to: CPU Architecture:Any
Tags: regression

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: