Bug #87207 select distinct with secondary key for 'Using index for group-by' bad results
Submitted: 26 Jul 2017 13:56 Modified: 27 Sep 2017 2:28
Reporter: Shane Bester (Platinum Quality Contributor) Email Updates:
Status: Closed Impact on me:
None 
Category:MySQL Server: Optimizer Severity:S1 (Critical)
Version:5.7.18 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: