maintenance/deleteArchivedRevisions.inc

   1 <?php
   2
   3 /**
   4  * Support functions for the deleteArchivedRevisions script
   5  *
   6  * @file
   7  * @ingroup Maintenance
   8  * @author Aaron Schulz
   9  */
  10
  11 require_once( 'purgeOldText.inc' );
  12
  13 function DeleteArchivedRevisions( $delete = false ) {
  14
  15         # Data should come off the master, wrapped in a transaction
  16         $dbw = wfGetDB( DB_MASTER );
  17         $dbw->begin();
  18
  19         $tbl_arch = $dbw->tableName( 'archive' );
  20         # Delete as appropriate
  21         echo( "Deleting archived revisions... " );
  22
  23         if( $delete ) {
  24                 $dbw->query( "TRUNCATE TABLE $tbl_arch" );
  25
  26                 $count = $dbw->affectedRows();
  27                 $deletedRows = $count != 0;
  28
  29                 echo( "done. $count revisions deleted.\n" );
  30
  31                 # This bit's done
  32                 # Purge redundant text records
  33                 $dbw->commit();
  34                 if( $deletedRows ) {
  35                         PurgeRedundantText( true );
  36                 }
  37         } else {
  38                 $res = $dbw->selectRow( 'archive', 'COUNT(*) as count', array(), __FUNCTION__ );
  39                 echo( "done. {$res->count} revisions to delete.\n" );
  40         }
  41 }