populateLogSearch.php

Go to the documentation of this file.

<?php
require_once( __DIR__ . '/Maintenance.php' );

class PopulateLogSearch extends LoggedUpdateMaintenance {
        static $tableMap = array( 'rev' => 'revision', 'fa' => 'filearchive', 'oi' => 'oldimage', 'ar' => 'archive' );

        public function __construct() {
                parent::__construct();
                $this->mDescription = "Migrate log params to new table and index for searching";
                $this->setBatchSize( 100 );
        }

        protected function getUpdateKey() {
                return 'populate log_search';
        }

        protected function updateSkippedMessage() {
                return 'log_search table already populated.';
        }

        protected function doDBUpdates() {
                $db = $this->getDB( DB_MASTER );
                if ( !$db->tableExists( 'log_search' ) ) {
                        $this->error( "log_search does not exist" );
                        return false;
                }
                $start = $db->selectField( 'logging', 'MIN(log_id)', false, __FUNCTION__ );
                if ( !$start ) {
                        $this->output( "Nothing to do.\n" );
                        return true;
                }
                $end = $db->selectField( 'logging', 'MAX(log_id)', false, __FUNCTION__ );

                # Do remaining chunk
                $end += $this->mBatchSize - 1;
                $blockStart = $start;
                $blockEnd = $start + $this->mBatchSize - 1;

                $delTypes = array( 'delete', 'suppress' ); // revisiondelete types
                while ( $blockEnd <= $end ) {
                        $this->output( "...doing log_id from $blockStart to $blockEnd\n" );
                        $cond = "log_id BETWEEN $blockStart AND $blockEnd";
                        $res = $db->select( 'logging', '*', $cond, __FUNCTION__ );
                        foreach ( $res as $row ) {
                                // RevisionDelete logs - revisions
                                if ( LogEventsList::typeAction( $row, $delTypes, 'revision' ) ) {
                                        $params = LogPage::extractParams( $row->log_params );
                                        // Param format: <urlparam> <item CSV> [<ofield> <nfield>]
                                        if ( count( $params ) < 2 ) continue; // bad row?
                                        $field = RevisionDeleter::getRelationType( $params[0] );
                                        // B/C, the params may start with a title key (<title> <urlparam> <CSV>)
                                        if ( $field == null ) {
                                                array_shift( $params ); // remove title param
                                                $field = RevisionDeleter::getRelationType( $params[0] );
                                                if ( $field == null ) {
                                                        $this->output( "Invalid param type for {$row->log_id}\n" );
                                                        continue; // skip this row
                                                } else {
                                                        // Clean up the row...
                                                        $db->update( 'logging',
                                                                array( 'log_params' => implode( ',', $params ) ),
                                                                array( 'log_id' => $row->log_id ) );
                                                }
                                        }
                                        $items = explode( ',', $params[1] );
                                        $log = new LogPage( $row->log_type );
                                        // Add item relations...
                                        $log->addRelations( $field, $items, $row->log_id );
                                        // Determine what table to query...
                                        $prefix = substr( $field, 0, strpos( $field, '_' ) ); // db prefix
                                        if ( !isset( self::$tableMap[$prefix] ) )
                                                continue; // bad row?
                                        $table = self::$tableMap[$prefix];
                                        $userField = $prefix . '_user';
                                        $userTextField = $prefix . '_user_text';
                                        // Add item author relations...
                                        $userIds = $userIPs = array();
                                        $sres = $db->select( $table,
                                                array( $userField, $userTextField ),
                                                array( $field => $items )
                                        );
                                        foreach ( $sres as $srow ) {
                                                if ( $srow->$userField > 0 )
                                                        $userIds[] = intval( $srow->$userField );
                                                elseif ( $srow->$userTextField != '' )
                                                        $userIPs[] = $srow->$userTextField;
                                        }
                                        // Add item author relations...
                                        $log->addRelations( 'target_author_id', $userIds, $row->log_id );
                                        $log->addRelations( 'target_author_ip', $userIPs, $row->log_id );
                                // RevisionDelete logs - log events
                                } elseif ( LogEventsList::typeAction( $row, $delTypes, 'event' ) ) {
                                        $params = LogPage::extractParams( $row->log_params );
                                        // Param format: <item CSV> [<ofield> <nfield>]
                                        if ( count( $params ) < 1 ) continue; // bad row
                                        $items = explode( ',', $params[0] );
                                        $log = new LogPage( $row->log_type );
                                        // Add item relations...
                                        $log->addRelations( 'log_id', $items, $row->log_id );
                                        // Add item author relations...
                                        $userIds = $userIPs = array();
                                        $sres = $db->select( 'logging',
                                                array( 'log_user', 'log_user_text' ),
                                                array( 'log_id' => $items )
                                        );
                                        foreach ( $sres as $srow ) {
                                                if ( $srow->log_user > 0 )
                                                        $userIds[] = intval( $srow->log_user );
                                                elseif ( IP::isIPAddress( $srow->log_user_text ) )
                                                        $userIPs[] = $srow->log_user_text;
                                        }
                                        $log->addRelations( 'target_author_id', $userIds, $row->log_id );
                                        $log->addRelations( 'target_author_ip', $userIPs, $row->log_id );
                                }
                        }
                        $blockStart += $this->mBatchSize;
                        $blockEnd += $this->mBatchSize;
                        wfWaitForSlaves();
                }
                $this->output( "Done populating log_search table.\n" );
                return true;
        }
}

$maintClass = "PopulateLogSearch";
require_once( RUN_MAINTENANCE_IF_MAIN );