Bug #68554 Optimizer wrongly choses covering index over ICP
Submitted: 3 Mar 2013 16:16 Modified: 18 Mar 2013 12:42
Reporter: Jaime Crespo (OCA) Email Updates:
Status: Verified Impact on me:
None 
Category:MySQL Server: Optimizer Severity:S5 (Performance)
Version:5.6.10 OS:Any
Assigned to: Assigned Account CPU Architecture:Any
Tags: condition, covering, ICP, Optimizer, pushdown, USING

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:

[3 Mar 2013 16:19] Jaime Crespo
optimizer trace for single-column SELECT

Attachment: trace.json (application/octet-stream, text), 6.16 KiB.