Bug #78407 wrong index being used in subqueries?
Submitted: 11 Sep 2015 12:45 Modified: 29 Apr 2022 5:02
Reporter: Jay Jay Email Updates:
Status: Verified Impact on me:
None 
Category:MySQL Server: Optimizer Severity:S5 (Performance)
Version:7.4.6/5.6.24, 5.7, 8.0 OS:Linux
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: