Bug #84024 Optimizer thinks clustered primary key is not covering
Submitted: 1 Dec 2016 2:40 Modified: 2 Dec 2016 9:07
Reporter: Manuel Ung Email Updates:
Status: Verified Impact on me:
None 
Category:MySQL Server: Optimizer Severity:S3 (Non-critical)
Version:5.7.16, 5.6.34 OS:Any
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: