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More than one INDEX key was created for column `postuserid` and `lastpost`

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  • More than one INDEX key was created for column `postuserid` and `lastpost`

    I have a similar problem like in this thread.

    In my case, a check on mysql forum database tell my that:

    Code:
     
    Problems with indexes of table `thread` 
     More than one INDEX key was created for column `postuserid` 
     More than one INDEX key was created for column `lastpost`
    These have probably been add by some hack or plugin.

    Can you confirm me that I can safely delete the index in red?

    Code:
    PRIMARY  PRIMARY  19788       threadid  
    forumid  INDEX  19788       forumid  visible  sticky  lastpost  
    postuserid  INDEX  638       postuserid  
    [COLOR=red]postuserid_2  INDEX  638       postuserid  
    [/COLOR]pollid  INDEX  989       pollid  
    lastpost  INDEX  19788       lastpost  
    [COLOR=red]lastpost_2  INDEX  19788       lastpost  forumid[/COLOR]  
    dateline  INDEX  19788       dateline
    Thanks!
    http://www.fnnation.com/pub/small/fnforum.gif http://www.fnnation.com/pub/small/luttemedia.gif

  • #2
    Yes. You can delete: postuserid_2 and lastpost_2
    Steve Machol, former vBulletin Customer Support Manager (and NOT retired!)
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    Mankind is the only creature smart enough to know its own history, and dumb enough to ignore it.


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