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         private static $tableMap = array(
  35                 'rev' => 'revision',
  36                 'fa' => 'filearchive',
  37                 'oi' => 'oldimage',
  38                 'ar' => 'archive'
  39         );
  40
  41         public function __construct() {
  42                 parent::__construct();
  43                 $this->mDescription = "Migrate log params to new table and index for searching";
  44                 $this->setBatchSize( 100 );
  45         }
  46
  47         protected function getUpdateKey() {
  48                 return 'populate log_search';
  49         }
  50
  51         protected function updateSkippedMessage() {
  52                 return 'log_search table already populated.';
  53         }
  54
  55         protected function doDBUpdates() {
  56                 $db = $this->getDB( DB_MASTER );
  57                 if ( !$db->tableExists( 'log_search' ) ) {
  58                         $this->error( "log_search does not exist" );
  59
  60                         return false;
  61                 }
  62                 $start = $db->selectField( 'logging', 'MIN(log_id)', false, __FUNCTION__ );
  63                 if ( !$start ) {
  64                         $this->output( "Nothing to do.\n" );
  65
  66                         return true;
  67                 }
  68                 $end = $db->selectField( 'logging', 'MAX(log_id)', false, __FUNCTION__ );
  69
  70                 # Do remaining chunk
  71                 $end += $this->mBatchSize - 1;
  72                 $blockStart = $start;
  73                 $blockEnd = $start + $this->mBatchSize - 1;
  74
  75                 $delTypes = array( 'delete', 'suppress' ); // revisiondelete types
  76                 while ( $blockEnd <= $end ) {
  77                         $this->output( "...doing log_id from $blockStart to $blockEnd\n" );
  78                         $cond = "log_id BETWEEN $blockStart AND $blockEnd";
  79                         $res = $db->select( 'logging', '*', $cond, __FUNCTION__ );
  80                         foreach ( $res as $row ) {
  81                                 // RevisionDelete logs - revisions
  82                                 if ( LogEventsList::typeAction( $row, $delTypes, 'revision' ) ) {
  83                                         $params = LogPage::extractParams( $row->log_params );
  84                                         // Param format: <urlparam> <item CSV> [<ofield> <nfield>]
  85                                         if ( count( $params ) < 2 ) {
  86                                                 continue; // bad row?
  87                                         }
  88                                         $field = RevisionDeleter::getRelationType( $params[0] );
  89                                         // B/C, the params may start with a title key (<title> <urlparam> <CSV>)
  90                                         if ( $field == null ) {
  91                                                 array_shift( $params ); // remove title param
  92                                                 $field = RevisionDeleter::getRelationType( $params[0] );
  93                                                 if ( $field == null ) {
  94                                                         $this->output( "Invalid param type for {$row->log_id}\n" );
  95                                                         continue; // skip this row
  96                                                 } else {
  97                                                         // Clean up the row...
  98                                                         $db->update( 'logging',
  99                                                                 array( 'log_params' => implode( ',', $params ) ),
 100                                                                 array( 'log_id' => $row->log_id ) );
 101                                                 }
 102                                         }
 103                                         $items = explode( ',', $params[1] );
 104                                         $log = new LogPage( $row->log_type );
 105                                         // Add item relations...
 106                                         $log->addRelations( $field, $items, $row->log_id );
 107                                         // Determine what table to query...
 108                                         $prefix = substr( $field, 0, strpos( $field, '_' ) ); // db prefix
 109                                         if ( !isset( self::$tableMap[$prefix] ) ) {
 110                                                 continue; // bad row?
 111                                         }
 112                                         $table = self::$tableMap[$prefix];
 113                                         $userField = $prefix . '_user';
 114                                         $userTextField = $prefix . '_user_text';
 115                                         // Add item author relations...
 116                                         $userIds = $userIPs = array();
 117                                         $sres = $db->select( $table,
 118                                                 array( $userField, $userTextField ),
 119                                                 array( $field => $items )
 120                                         );
 121                                         foreach ( $sres as $srow ) {
 122                                                 if ( $srow->$userField > 0 ) {
 123                                                         $userIds[] = intval( $srow->$userField );
 124                                                 } elseif ( $srow->$userTextField != '' ) {
 125                                                         $userIPs[] = $srow->$userTextField;
 126                                                 }
 127                                         }
 128                                         // Add item author relations...
 129                                         $log->addRelations( 'target_author_id', $userIds, $row->log_id );
 130                                         $log->addRelations( 'target_author_ip', $userIPs, $row->log_id );
 131                                 } elseif ( LogEventsList::typeAction( $row, $delTypes, 'event' ) ) {
 132                                         // RevisionDelete logs - log events
 133                                         $params = LogPage::extractParams( $row->log_params );
 134                                         // Param format: <item CSV> [<ofield> <nfield>]
 135                                         if ( count( $params ) < 1 ) {
 136                                                 continue; // bad row
 137                                         }
 138                                         $items = explode( ',', $params[0] );
 139                                         $log = new LogPage( $row->log_type );
 140                                         // Add item relations...
 141                                         $log->addRelations( 'log_id', $items, $row->log_id );
 142                                         // Add item author relations...
 143                                         $userIds = $userIPs = array();
 144                                         $sres = $db->select( 'logging',
 145                                                 array( 'log_user', 'log_user_text' ),
 146                                                 array( 'log_id' => $items )
 147                                         );
 148                                         foreach ( $sres as $srow ) {
 149                                                 if ( $srow->log_user > 0 ) {
 150                                                         $userIds[] = intval( $srow->log_user );
 151                                                 } elseif ( IP::isIPAddress( $srow->log_user_text ) ) {
 152                                                         $userIPs[] = $srow->log_user_text;
 153                                                 }
 154                                         }
 155                                         $log->addRelations( 'target_author_id', $userIds, $row->log_id );
 156                                         $log->addRelations( 'target_author_ip', $userIPs, $row->log_id );
 157                                 }
 158                         }
 159                         $blockStart += $this->mBatchSize;
 160                         $blockEnd += $this->mBatchSize;
 161                         wfWaitForSlaves();
 162                 }
 163                 $this->output( "Done populating log_search table.\n" );
 164
 165                 return true;
 166         }
 167 }
 168
 169 $maintClass = "PopulateLogSearch";
 170 require_once RUN_MAINTENANCE_IF_MAIN;