[wp-trac] [WordPress Trac] #32649: Index length optimization in 4.2 made one of the core queries unable to use it

[WordPress Trac]

#32649: Index length optimization in 4.2 made one of the core queries unable to use
it
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 Reporter:  viciousjack   |       Owner:
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  Awaiting Review
Component:  Database      |     Version:  4.2
 Severity:  normal        |  Resolution:
 Keywords:                |     Focuses:
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Comment (by dd32):

 Confirmed. Unfortunately I can't see a way to restore the index use
 without also decreasing the field length to 191 characters.

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Ticket URL: <https://core.trac.wordpress.org/ticket/32649#comment:3>
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