00001 <?php
00011 function rebuildRecentChangesTable() {
00012 rebuildRecentChangesTablePass1();
00013 rebuildRecentChangesTablePass2();
00014 rebuildRecentChangesTablePass3();
00015 rebuildRecentChangesTablePass4();
00016 }
00017
00019 function rebuildRecentChangesTablePass1()
00020 {
00021 $dbw = wfGetDB( DB_MASTER );
00022
00023 $dbw->delete( 'recentchanges', '*' );
00024
00025 print( "Loading from page and revision tables...\n" );
00026
00027 global $wgRCMaxAge;
00028
00029 print( '$wgRCMaxAge=' . $wgRCMaxAge );
00030 $days = $wgRCMaxAge / 24 / 3600;
00031 if ( intval($days) == $days ) {
00032 print( " (" . $days . " days)\n" );
00033 } else {
00034 print( " (approx. " . intval($days) . " days)\n" );
00035 }
00036
00037 $cutoff = time() - $wgRCMaxAge;
00038 $dbw->insertSelect( 'recentchanges', array( 'page', 'revision' ),
00039 array(
00040 'rc_timestamp' => 'rev_timestamp',
00041 'rc_cur_time' => 'rev_timestamp',
00042 'rc_user' => 'rev_user',
00043 'rc_user_text' => 'rev_user_text',
00044 'rc_namespace' => 'page_namespace',
00045 'rc_title' => 'page_title',
00046 'rc_comment' => 'rev_comment',
00047 'rc_minor' => 'rev_minor_edit',
00048 'rc_bot' => 0,
00049 'rc_new' => 'page_is_new',
00050 'rc_cur_id' => 'page_id',
00051 'rc_this_oldid' => 'rev_id',
00052 'rc_last_oldid' => 0,
00053 'rc_type' => $dbw->conditional( 'page_is_new != 0', RC_NEW, RC_EDIT ),
00054 'rc_deleted' => 'rev_deleted'
00055 ), array(
00056 'rev_timestamp > ' . $dbw->addQuotes( $dbw->timestamp( $cutoff ) ),
00057 'rev_page=page_id'
00058 ), __METHOD__,
00059 array(),
00060 array( 'ORDER BY' => 'rev_timestamp DESC', 'LIMIT' => 5000 )
00061 );
00062 }
00063
00064 function rebuildRecentChangesTablePass2()
00065 {
00066 $dbw = wfGetDB( DB_MASTER );
00067 list ($recentchanges, $revision) = $dbw->tableNamesN( 'recentchanges', 'revision' );
00068
00069 print( "Updating links and size differences...\n" );
00070
00071 # Fill in the rc_last_oldid field, which points to the previous edit
00072 $sql = "SELECT rc_cur_id,rc_this_oldid,rc_timestamp FROM $recentchanges " .
00073 "ORDER BY rc_cur_id,rc_timestamp";
00074 $res = $dbw->query( $sql, DB_MASTER );
00075
00076 $lastCurId = 0;
00077 $lastOldId = 0;
00078 while ( $obj = $dbw->fetchObject( $res ) ) {
00079 $new = 0;
00080 if( $obj->rc_cur_id != $lastCurId ) {
00081 # Switch! Look up the previous last edit, if any
00082 $lastCurId = intval( $obj->rc_cur_id );
00083 $emit = $obj->rc_timestamp;
00084 $sql2 = "SELECT rev_id,rev_len FROM $revision " .
00085 "WHERE rev_page={$lastCurId} ".
00086 "AND rev_timestamp<'{$emit}' ORDER BY rev_timestamp DESC LIMIT 1";
00087 $res2 = $dbw->query( $sql2 );
00088 if( $row = $dbw->fetchObject( $res2 ) ) {
00089 $lastOldId = intval($row->rev_id);
00090 # Grab the last text size if available
00091 $lastSize = !is_null($row->rev_len) ? intval($row->rev_len) : 'NULL';
00092 } else {
00093 # No previous edit
00094 $lastOldId = 0;
00095 $lastSize = 'NULL';
00096 $new = 1;
00097 }
00098 $dbw->freeResult( $res2 );
00099 }
00100 if( $lastCurId == 0 ) {
00101 print "Uhhh, something wrong? No curid\n";
00102 } else {
00103 # Grab the entry's text size
00104 $size = $dbw->selectField( 'revision', 'rev_len', array('rev_id' => $obj->rc_this_oldid ) );
00105 $size = !is_null($size) ? intval($size) : 'NULL';
00106
00107 $sql3 = "UPDATE $recentchanges SET rc_last_oldid=$lastOldId,rc_new=$new,rc_type=$new," .
00108 "rc_old_len=$lastSize,rc_new_len=$size " .
00109 "WHERE rc_cur_id={$lastCurId} AND rc_this_oldid={$obj->rc_this_oldid}";
00110 $dbw->query( $sql3 );
00111
00112 $lastOldId = intval( $obj->rc_this_oldid );
00113 }
00114 }
00115 $dbw->freeResult( $res );
00116 }
00117
00118 function rebuildRecentChangesTablePass3()
00119 {
00120 $dbw = wfGetDB( DB_MASTER );
00121
00122 print( "Loading from user, page, and logging tables...\n" );
00123
00124 global $wgRCMaxAge;
00125
00126
00127
00128 $basicRCLogs = array(
00129 'block',
00130 'protect',
00131 'rights',
00132 'delete',
00133 'upload',
00134 'move',
00135 'import',
00136 'merge' );
00137
00138 $selectLogs = array();
00139 foreach( $basicRCLogs as $logtype ) {
00140 $safetype = $dbw->strencode( $logtype );
00141 $selectLogs[] = "'$safetype'";
00142 }
00143
00144 $cutoff = time() - $wgRCMaxAge;
00145 $dbw->insertSelect( 'recentchanges', array( 'logging', 'page', 'user' ),
00146 array(
00147 'rc_timestamp' => 'log_timestamp',
00148 'rc_cur_time' => 'log_timestamp',
00149 'rc_user' => 'log_user',
00150 'rc_user_text' => 'user_name',
00151 'rc_namespace' => 'log_namespace',
00152 'rc_title' => 'log_title',
00153 'rc_comment' => 'log_comment',
00154 'rc_minor' => 0,
00155 'rc_bot' => 0,
00156 'rc_patrolled' => 1,
00157 'rc_new' => 0,
00158 'rc_this_oldid' => 0,
00159 'rc_last_oldid' => 0,
00160 'rc_type' => RC_LOG,
00161 'rc_cur_id' => 'page_id',
00162 'rc_log_type' => 'log_type',
00163 'rc_log_action' => 'log_action',
00164 'rc_logid' => 'log_id',
00165 'rc_params' => 'log_params',
00166 'rc_deleted' => 'log_deleted'
00167 ), array(
00168 'log_timestamp > ' . $dbw->addQuotes( $dbw->timestamp( $cutoff ) ),
00169 'log_user=user_id',
00170 'log_namespace=page_namespace',
00171 'log_title=page_title',
00172 'log_type IN(' . implode(',',$selectLogs) . ')'
00173 ), __METHOD__,
00174 array(),
00175 array( 'ORDER BY' => 'log_timestamp DESC', 'LIMIT' => 5000 )
00176 );
00177 }
00178
00179 function rebuildRecentChangesTablePass4()
00180 {
00181 global $wgGroupPermissions, $wgUseRCPatrol;
00182
00183 $dbw = wfGetDB( DB_MASTER );
00184
00185 list($recentchanges,$usergroups,$user) = $dbw->tableNamesN( 'recentchanges', 'user_groups', 'user' );
00186
00187 $botgroups = $autopatrolgroups = array();
00188 foreach( $wgGroupPermissions as $group => $rights ) {
00189 if( isset( $rights['bot'] ) && $rights['bot'] == true ) {
00190 $botgroups[] = $dbw->addQuotes( $group );
00191 }
00192 if( $wgUseRCPatrol && isset( $rights['autopatrol'] ) && $rights['autopatrol'] == true ) {
00193 $autopatrolgroups[] = $dbw->addQuotes( $group );
00194 }
00195 }
00196 # Flag our recent bot edits
00197 if( !empty($botgroups) ) {
00198 $botwhere = implode(',',$botgroups);
00199 $botusers = array();
00200
00201 print( "Flagging bot account edits...\n" );
00202
00203 # Find all users that are bots
00204 $sql = "SELECT DISTINCT user_name FROM $usergroups, $user " .
00205 "WHERE ug_group IN($botwhere) AND user_id = ug_user";
00206 $res = $dbw->query( $sql, DB_MASTER );
00207
00208 while( $obj = $dbw->fetchObject( $res ) ) {
00209 $botusers[] = $dbw->addQuotes( $obj->user_name );
00210 }
00211 # Fill in the rc_bot field
00212 if( !empty($botusers) ) {
00213 $botwhere = implode(',',$botusers);
00214 $sql2 = "UPDATE $recentchanges SET rc_bot=1 " .
00215 "WHERE rc_user_text IN($botwhere)";
00216 $dbw->query( $sql2 );
00217 }
00218 }
00219 global $wgMiserMode;
00220 # Flag our recent autopatrolled edits
00221 if( !$wgMiserMode && !empty($autopatrolgroups) ) {
00222 $patrolwhere = implode(',',$autopatrolgroups);
00223 $patrolusers = array();
00224
00225 print( "Flagging auto-patrolled edits...\n" );
00226
00227 # Find all users in RC with autopatrol rights
00228 $sql = "SELECT DISTINCT user_name FROM $usergroups, $user " .
00229 "WHERE ug_group IN($patrolwhere) AND user_id = ug_user";
00230 $res = $dbw->query( $sql, DB_MASTER );
00231
00232 while( $obj = $dbw->fetchObject( $res ) ) {
00233 $patrolusers[] = $dbw->addQuotes( $obj->user_name );
00234 }
00235
00236 # Fill in the rc_patrolled field
00237 if( !empty($patrolusers) ) {
00238 $patrolwhere = implode(',',$patrolusers);
00239 $sql2 = "UPDATE $recentchanges SET rc_patrolled=1 " .
00240 "WHERE rc_user_text IN($patrolwhere)";
00241 $dbw->query( $sql2 );
00242 }
00243 }
00244
00245 $dbw->freeResult( $res );
00246 }