Bug #88127 Index not used for 'order by' query with utf8mb4 character set
Submitted: 17 Oct 2017 21:45 Modified: 19 Oct 2017 10:13
Reporter: John Morkel Email Updates:
Status: Verified Impact on me:
None 
Category:MySQL Server: Optimizer Severity:S3 (Non-critical)
Version:5.7.19, 5.7.20 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:

[17 Oct 2017 21:46] John Morkel
Query optimizer trace

Attachment: query-optimizer-trace.txt (text/plain), 7.21 KiB.