Bug #77340 Optimizer chooses wrong index for LEFT JOIN query
Submitted: 12 Jun 2015 22:34 Modified: 18 Dec 2015 10:58
Reporter: Sveta Smirnova (OCA) Email Updates:
Status: Verified Impact on me:
None 
Category:MySQL Server: Optimizer Severity:S3 (Non-critical)
Version:5.6.25, 5.7.7 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:

[12 Jun 2015 22:38] Sveta Smirnova
First two tables, necessary to repeat the bug

Attachment: issue53536_renamed.sql.1.gz (application/gzip, text), 2.64 MiB.

[12 Jun 2015 22:39] Sveta Smirnova
Third table, necessary to repeat this bug

Attachment: issue53536_renamed.sql.2.gz (application/gzip, text), 670.81 KiB.