Bug #74462 EXPLAIN FORMAT=JSON produces ordering_operation when no ordering takes place.
Submitted: 20 Oct 2014 19:26 Modified: 1 Nov 2014 0:57
Reporter: Sergey Petrunya Email Updates:
Status: Verified Impact on me:
None 
Category:MySQL Server: Optimizer Severity:S3 (Non-critical)
Version:5.6.21 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: