Bug #117085 Performance issue with Multi-Valued Index and ORDER BY DESC LIMIT (Reads more data than expected)
Submitted: 31 Dec 2024 8:50 Modified: 31 Dec 2024 9:28
Reporter: Eunbin Baek Email Updates:
Status: Verified Impact on me:
None 
Category:MySQL Server: Optimizer Severity:S5 (Performance)
Version:8.0.40 OS:Any
Assigned to: CPU Architecture:x86
Tags: DESC, multi-valued index, 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:

[31 Dec 2024 8:51] Eunbin Baek
This is the test data for reproducing the issue.

Attachment: mvi_test.sql (application/octet-stream, text), 15.10 MiB.