maintenance/populateLogSearch.php

   1 <?php
   2 /**
   3  * Makes the required database updates for populating the
   4  * log_search table retroactively
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License along
  17  * with this program; if not, write to the Free Software Foundation, Inc.,
  18  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  19  * http://www.gnu.org/copyleft/gpl.html
  20  *
  21  * @file
  22  * @ingroup Maintenance
  23  */
  24
  25 require_once( __DIR__ . '/Maintenance.php' );
  26
  27 /**
  28  * Maintenance script that makes the required database updates for populating the
  29  * log_search table retroactively
  30  *
  31  * @ingroup Maintenance
  32  */
  33 class PopulateLogSearch extends LoggedUpdateMaintenance {
  34         static $tableMap = array( 'rev' => 'revision', 'fa' => 'filearchive', 'oi' => 'oldimage', 'ar' => 'archive' );
  35
  36         public function __construct() {
  37                 parent::__construct();
  38                 $this->mDescription = "Migrate log params to new table and index for searching";
  39                 $this->setBatchSize( 100 );
  40         }
  41
  42         protected function getUpdateKey() {
  43                 return 'populate log_search';
  44         }
  45
  46         protected function updateSkippedMessage() {
  47                 return 'log_search table already populated.';
  48         }
  49
  50         protected function doDBUpdates() {
  51                 $db = $this->getDB( DB_MASTER );
  52                 if ( !$db->tableExists( 'log_search' ) ) {
  53                         $this->error( "log_search does not exist" );
  54                         return false;
  55                 }
  56                 $start = $db->selectField( 'logging', 'MIN(log_id)', false, __FUNCTION__ );
  57                 if ( !$start ) {
  58                         $this->output( "Nothing to do.\n" );
  59                         return true;
  60                 }
  61                 $end = $db->selectField( 'logging', 'MAX(log_id)', false, __FUNCTION__ );
  62
  63                 # Do remaining chunk
  64                 $end += $this->mBatchSize - 1;
  65                 $blockStart = $start;
  66                 $blockEnd = $start + $this->mBatchSize - 1;
  67
  68                 $delTypes = array( 'delete', 'suppress' ); // revisiondelete types
  69                 while ( $blockEnd <= $end ) {
  70                         $this->output( "...doing log_id from $blockStart to $blockEnd\n" );
  71                         $cond = "log_id BETWEEN $blockStart AND $blockEnd";
  72                         $res = $db->select( 'logging', '*', $cond, __FUNCTION__ );
  73                         foreach ( $res as $row ) {
  74                                 // RevisionDelete logs - revisions
  75                                 if ( LogEventsList::typeAction( $row, $delTypes, 'revision' ) ) {
  76                                         $params = LogPage::extractParams( $row->log_params );
  77                                         // Param format: <urlparam> <item CSV> [<ofield> <nfield>]
  78                                         if ( count( $params ) < 2 ) {
  79                                                 continue; // bad row?
  80                                         }
  81                                         $field = RevisionDeleter::getRelationType( $params[0] );
  82                                         // B/C, the params may start with a title key (<title> <urlparam> <CSV>)
  83                                         if ( $field == null ) {
  84                                                 array_shift( $params ); // remove title param
  85                                                 $field = RevisionDeleter::getRelationType( $params[0] );
  86                                                 if ( $field == null ) {
  87                                                         $this->output( "Invalid param type for {$row->log_id}\n" );
  88                                                         continue; // skip this row
  89                                                 } else {
  90                                                         // Clean up the row...
  91                                                         $db->update( 'logging',
  92                                                                 array( 'log_params' => implode( ',', $params ) ),
  93                                                                 array( 'log_id' => $row->log_id ) );
  94                                                 }
  95                                         }
  96                                         $items = explode( ',', $params[1] );
  97                                         $log = new LogPage( $row->log_type );
  98                                         // Add item relations...
  99                                         $log->addRelations( $field, $items, $row->log_id );
 100                                         // Determine what table to query...
 101                                         $prefix = substr( $field, 0, strpos( $field, '_' ) ); // db prefix
 102                                         if ( !isset( self::$tableMap[$prefix] ) ) {
 103                                                 continue; // bad row?
 104                                         }
 105                                         $table = self::$tableMap[$prefix];
 106                                         $userField = $prefix . '_user';
 107                                         $userTextField = $prefix . '_user_text';
 108                                         // Add item author relations...
 109                                         $userIds = $userIPs = array();
 110                                         $sres = $db->select( $table,
 111                                                 array( $userField, $userTextField ),
 112                                                 array( $field => $items )
 113                                         );
 114                                         foreach ( $sres as $srow ) {
 115                                                 if ( $srow->$userField > 0 ) {
 116                                                         $userIds[] = intval( $srow->$userField );
 117                                                 } elseif ( $srow->$userTextField != '' ) {
 118                                                         $userIPs[] = $srow->$userTextField;
 119                                                 }
 120                                         }
 121                                         // Add item author relations...
 122                                         $log->addRelations( 'target_author_id', $userIds, $row->log_id );
 123                                         $log->addRelations( 'target_author_ip', $userIPs, $row->log_id );
 124                                 // RevisionDelete logs - log events
 125                                 } elseif ( LogEventsList::typeAction( $row, $delTypes, 'event' ) ) {
 126                                         $params = LogPage::extractParams( $row->log_params );
 127                                         // Param format: <item CSV> [<ofield> <nfield>]
 128                                         if ( count( $params ) < 1 ) {
 129                                                 continue; // bad row
 130                                         }
 131                                         $items = explode( ',', $params[0] );
 132                                         $log = new LogPage( $row->log_type );
 133                                         // Add item relations...
 134                                         $log->addRelations( 'log_id', $items, $row->log_id );
 135                                         // Add item author relations...
 136                                         $userIds = $userIPs = array();
 137                                         $sres = $db->select( 'logging',
 138                                                 array( 'log_user', 'log_user_text' ),
 139                                                 array( 'log_id' => $items )
 140                                         );
 141                                         foreach ( $sres as $srow ) {
 142                                                 if ( $srow->log_user > 0 ) {
 143                                                         $userIds[] = intval( $srow->log_user );
 144                                                 } elseif ( IP::isIPAddress( $srow->log_user_text ) ) {
 145                                                         $userIPs[] = $srow->log_user_text;
 146                                                 }
 147                                         }
 148                                         $log->addRelations( 'target_author_id', $userIds, $row->log_id );
 149                                         $log->addRelations( 'target_author_ip', $userIPs, $row->log_id );
 150                                 }
 151                         }
 152                         $blockStart += $this->mBatchSize;
 153                         $blockEnd += $this->mBatchSize;
 154                         wfWaitForSlaves();
 155                 }
 156                 $this->output( "Done populating log_search table.\n" );
 157                 return true;
 158         }
 159 }
 160
 161 $maintClass = "PopulateLogSearch";
 162 require_once( RUN_MAINTENANCE_IF_MAIN );