3 * Rebuild recent changes table.
6 * @addtogroup Maintenance
10 function rebuildRecentChangesTablePass1()
12 $fname = 'rebuildRecentChangesTablePass1';
13 $dbw = wfGetDB( DB_MASTER );
14 extract( $dbw->tableNames( 'recentchanges', 'cur', 'old' ) );
16 $dbw->delete( 'recentchanges', '*' );
18 print( "Loading from page and revision tables...\n" );
21 $cutoff = time() - $wgRCMaxAge;
22 $dbw->insertSelect( 'recentchanges', array( 'page', 'revision' ),
24 'rc_timestamp' => 'rev_timestamp',
25 'rc_cur_time' => 'rev_timestamp',
26 'rc_user' => 'rev_user',
27 'rc_user_text' => 'rev_user_text',
28 'rc_namespace' => 'page_namespace',
29 'rc_title' => 'page_title',
30 'rc_comment' => 'rev_comment',
31 'rc_minor' => 'rev_minor_edit',
33 'rc_new' => 'page_is_new',
34 'rc_cur_id' => 'page_id',
35 'rc_this_oldid' => 'rev_id',
36 'rc_last_oldid' => 0, // is this ok?
37 'rc_type' => $dbw->conditional( 'page_is_new != 0', RC_NEW, RC_EDIT ),
39 'rev_timestamp > ' . $dbw->addQuotes( $dbw->timestamp( $cutoff ) ),
42 array(), // INSERT options
43 array( 'ORDER BY' => 'rev_timestamp DESC', 'LIMIT' => 5000 ) // SELECT options
47 function rebuildRecentChangesTablePass2()
49 $dbw = wfGetDB( DB_MASTER );
50 list ($recentchanges, $revision) = $dbw->tableNamesN( 'recentchanges', 'revision' );
52 print( "Updating links and size differences...\n" );
54 # Fill in the rc_last_oldid field, which points to the previous edit
55 $sql = "SELECT rc_cur_id,rc_this_oldid,rc_timestamp FROM $recentchanges " .
56 "ORDER BY rc_cur_id,rc_timestamp";
57 $res = $dbw->query( $sql, DB_MASTER );
61 while ( $obj = $dbw->fetchObject( $res ) ) {
63 if( $obj->rc_cur_id != $lastCurId ) {
64 # Switch! Look up the previous last edit, if any
65 $lastCurId = intval( $obj->rc_cur_id );
66 $emit = $obj->rc_timestamp;
67 $sql2 = "SELECT rev_id, rev_text_id FROM $revision " .
68 "WHERE rev_page={$lastCurId} ".
69 "AND rev_timestamp<'{$emit}' ORDER BY rev_timestamp DESC LIMIT 1";
70 $res2 = $dbw->query( $sql2 );
71 if( $row = $dbw->fetchObject( $res2 ) ) {
72 $lastOldId = intval( $row->rev_id );
73 $lastTextId = intval( $row->rev_text_id );
76 $lastOldId = $lastTextId = 0;
79 $dbw->freeResult( $res2 );
81 if( $lastCurId == 0 ) {
82 print "Uhhh, something wrong? No curid\n";
84 # Grab the last edit's text size
85 $lastText = $dbw->selectField( 'text', 'old_text', array('old_id' => $lastTextId ) );
86 $lastSize = $lastText ? strlen($lastText) : 'NULL';
87 # Grab the entry's text size
88 $textId = $dbw->selectField( 'revision', 'rev_text_id', array('rev_id' => $obj->rc_this_oldid ) );
89 $text = $dbw->selectField( 'text', 'old_text', array('old_id' => $textId ) );
90 $size = $text ? strlen($text) : 'NULL';
92 $sql3 = "UPDATE $recentchanges SET rc_last_oldid=$lastOldId,rc_new=$new,rc_type=$new," .
93 "rc_old_len=$lastSize,rc_new_len=$size " .
94 "WHERE rc_cur_id={$lastCurId} AND rc_this_oldid={$obj->rc_this_oldid}";
96 $lastOldId = intval( $obj->rc_this_oldid );
99 $dbw->freeResult( $res );
102 function rebuildRecentChangesTablePass3()
104 global $wgGroupPermissions, $wgUseRCPatrol;
106 $dbw = wfGetDB( DB_MASTER );
108 list ($recentchanges, $usergroups) = $dbw->tableNamesN( 'recentchanges', 'user_groups' );
110 $botgroups = $autopatrolgroups = array();
111 foreach( $wgGroupPermissions as $group => $rights ) {
112 if( isset( $rights['bot'] ) && $rights['bot'] == true ) {
113 $botgroups[] = "'" . $dbw->strencode( $group ) . "'";
115 if( $wgUseRCPatrol && isset( $rights['autopatrol'] ) && $rights['autopatrol'] == true ) {
116 $autopatrolgroups[] = "'" . $dbw->strencode( $group ) . "'";
119 # Flag our recent bot edits
120 if( !empty($botgroups) ) {
121 $botwhere = implode(',',$botgroups);
124 print( "Flagging bot account edits...\n" );
126 # Find all users in RC that are bots
127 $sql = "SELECT DISTINCT rc_user FROM $recentchanges " .
128 "LEFT JOIN $usergroups ON rc_user=ug_user " .
129 "WHERE ug_group IN($botwhere)";
130 $res = $dbw->query( $sql, DB_MASTER );
132 while( $obj = $dbw->fetchObject( $res ) ) {
133 $botusers[] = $obj->rc_user;
135 # Fill in the rc_bot field
136 if( !empty($botusers) ) {
137 $botwhere = implode(',',$botusers);
138 $sql2 = "UPDATE $recentchanges SET rc_bot=1 " .
139 "WHERE rc_user IN($botwhere)";
140 $dbw->query( $sql2 );
143 # Flag our recent autopatrolled edits
144 if( !empty($autopatrolgroups) ) {
145 $patrolwhere = implode(',',$autopatrolgroups);
146 $patrolusers = array();
148 print( "Flagging auto-patrolled edits...\n" );
150 # Find all users in RC with autopatrol rights
151 $sql = "SELECT DISTINCT rc_user FROM $recentchanges " .
152 "LEFT JOIN $usergroups ON rc_user=ug_user " .
153 "WHERE ug_group IN($patrolwhere)";
154 $res = $dbw->query( $sql, DB_MASTER );
156 while( $obj = $dbw->fetchObject( $res ) ) {
157 $patrolusers[] = $obj->rc_user;
160 # Fill in the rc_patrolled field
161 if( !empty($patrolusers) ) {
162 $patrolwhere = implode(',',$patrolusers);
163 $sql2 = "UPDATE $recentchanges SET rc_patrolled=1 " .
164 "WHERE rc_user IN($patrolwhere)";
165 $dbw->query( $sql2 );
169 $dbw->freeResult( $res );