Bug #91878 Wrong results with optimizer_switch='derived_merge=ON';
Submitted: 2 Aug 2018 23:09 Modified: 15 Aug 2018 11:19
Reporter: Sveta Smirnova (OCA) Email Updates:
Status: Verified Impact on me:
None 
Category:MySQL Server: Optimizer Severity:S3 (Non-critical)
Version:5.7.23, 8.0.12, 5.7.22, 8.0.11 OS:Any
Assigned to: CPU Architecture:Any
Tags: regression

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:

[2 Aug 2018 23:10] Sveta Smirnova
test case for MTR

Attachment: derived_merge.test (application/octet-stream, text), 763.27 KiB.