Disable index for optimizer, check if able to be dropped

Registered by Stewart Smith on 2011-08-22

Have optimizer not recognize index for query plan, but still have engine maintain it, to check if the index is safe to drop or not.

Implemented in MySQL 8.0: http://dev.mysql.com/worklog/task/?id=8697

Blueprint information

Status:
Not started
Approver:
None
Priority:
Not
Drafter:
Laurynas Biveinis
Direction:
Approved
Assignee:
None
Definition:
Drafting
Series goal:
None
Implementation:
Unknown
Milestone target:
None

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