Return duplicate key name

Registered by Stewart Smith

on constraint violation (e.g. unique key) return back *which* key was violated so that we can display a sensible error message to the user.

see http://forums.innodb.com/read.php?8,1120,1120#msg-1120 for initial report and discussion

Blueprint information

Status:
Complete
Approver:
None
Priority:
Essential
Drafter:
Stewart Smith
Direction:
Needs approval
Assignee:
Stewart Smith
Definition:
Approved
Series goal:
Accepted for 2.3
Implementation:
Implemented
Milestone target:
milestone icon athens
Started by
Stewart Smith
Completed by
Stewart Smith

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