Bug #106987 when set prefer_ordering_index=off, a very simple sql become very slow
Submitted: 12 Apr 2022 7:30 Modified: 12 Apr 2022 14:09
Reporter: WANG GUANGYOU Email Updates:
Status: Not a Bug Impact on me:
None 
Category:MySQL Server: Optimizer Severity:S3 (Non-critical)
Version: 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: