https://bugzilla.wikimedia.org/show_bug.cgi?id=20651

           Summary: Maintenance.php function purgeRedundantText() not able
                    to deal with big data set
           Product: MediaWiki
           Version: 1.16-svn
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: Normal
         Component: Maintenance scripts
        AssignedTo: [email protected]
        ReportedBy: [email protected]


deleteOldRevisions.php calls Maintenance.php function purgeRedundantText().

Running in on a big DB (more than 200.000 pages) the script dies like
following:

Il database ha restituito il seguente errore "1153: Got a packet bigger than
'max_allowed_packet' bytes (localhost)".

I think the SQL reauests including "NOT IN ($set)" or "IN ($set)" are
responsible for that because they can only accept a few hundreds or thousands
of ids.

Please confirm if I'm right.


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