Bug #86710 Performance issue of explicit COLLATE clause
Submitted: 15 Jun 2017 8:57 Modified: 28 Jul 2017 2:01
Reporter: yitao Xu Email Updates:
Status: Closed Impact on me:
None 
Category:MySQL Server: Optimizer Severity:S2 (Serious)
Version:8.0.2-dmr-enterprise-commercial-advanced OS:Linux
Assigned to: Xing Zhang CPU Architecture:Any
Tags: explicit COLLATE, Optimizer, performance

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:

[15 Jun 2017 8:58] yitao Xu
sample data

Attachment: jpchartest_data.zip (application/zip, text), 1.10 MiB.