maintenance/tidyUpBug37714.php

   1 <?php
   2 require_once __DIR__ . '/Maintenance.php';
   3
   4 /**
   5  * Fixes all rows affected by https://bugzilla.wikimedia.org/show_bug.cgi?id=37714
   6  */
   7 class TidyUpBug37714 extends Maintenance {
   8         public function execute() {
   9                 // Search for all log entries which are about changing the visability of other log entries.
  10                 $result = wfGetDB( DB_SLAVE )->select(
  11                         'logging',
  12                         array( 'log_id', 'log_params' ),
  13                         array(
  14                                 'log_type' => array( 'suppress', 'delete' ),
  15                                 'log_action' => 'event',
  16                                 'log_namespace' => NS_SPECIAL,
  17                                 'log_title' => SpecialPage::getTitleFor( 'Log' )->getText()
  18                         ),
  19                         __METHOD__
  20                 );
  21
  22                 foreach ( $result as $row ) {
  23                         $paramLines = explode( "\n", $row->log_params );
  24                         $ids = explode( ',', $paramLines[0] ); // Array dereferencing is PHP >= 5.4 :(
  25                         $result = wfGetDB( DB_SLAVE )->select( // Work out what log entries were changed here.
  26                                 'logging',
  27                                 'log_type',
  28                                 array( 'log_id' => $ids ),
  29                                 __METHOD__,
  30                                 'DISTINCT'
  31                         );
  32                         if ( $result->numRows() === 1 ) {
  33                                 // If there's only one type, the target title can be set to include it.
  34                                 $logTitle = SpecialPage::getTitleFor( 'Log', $result->current()->log_type )->getText();
  35                                 $this->output( 'Set log_title to "' . $logTitle . '" for log entry ' . $row->log_id . ".\n" );
  36                                 wfGetDB( DB_MASTER )->update(
  37                                         'logging',
  38                                         array( 'log_title' => $logTitle ),
  39                                         array( 'log_id' => $row->log_id ),
  40                                         __METHOD__
  41                                 );
  42                                 wfWaitForSlaves();
  43                         }
  44                 }
  45         }
  46 }
  47
  48 $maintClass = 'TidyUpBug37714';
  49 require_once RUN_MAINTENANCE_IF_MAIN;