[wp-trac] [WordPress Trac] #30795: Upgrade bug affecting indexing

[WordPress Trac]

#30795: Upgrade bug affecting indexing
-------------------------------+------------------------------
 Reporter:  MattyRob           |       Owner:
     Type:  defect (bug)       |      Status:  new
 Priority:  normal             |   Milestone:  Awaiting Review
Component:  Database           |     Version:  2.1
 Severity:  normal             |  Resolution:
 Keywords:  reporter-feedback  |     Focuses:
-------------------------------+------------------------------
Changes (by nacin):

 * keywords:   => reporter-feedback
 * focuses:  performance =>
 * component:  Upgrade/Install => Database
 * version:  4.1 => 2.1


Comment:

 Very odd. :)

 This index has been there like that since [4076] (8 years ago) and dates
 back to [3678], [3690].

 What MySQL version? Any other environment information? How old is the
 install? Can you reproduce this in any way?

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Ticket URL: <https://core.trac.wordpress.org/ticket/30795#comment:1>
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