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_len 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 $lastSize = $row->rev_len; # Grab the last text size
80 $dbw->freeResult( $res2 );
82 if( $lastCurId == 0 ) {
83 print "Uhhh, something wrong? No curid\n";
85 # Grab the entry's text size
86 $size = $dbw->selectField( 'revision', 'rev_len', array('rev_id' => $obj->rc_this_oldid ) );
87 $size = $size ? $size : 'NULL';
89 $sql3 = "UPDATE $recentchanges SET rc_last_oldid=$lastOldId,rc_new=$new,rc_type=$new," .
90 "rc_old_len='$lastSize',rc_new_len='$size' " .
91 "WHERE rc_cur_id={$lastCurId} AND rc_this_oldid={$obj->rc_this_oldid}";
94 $lastOldId = intval( $obj->rc_this_oldid );
97 $dbw->freeResult( $res );
100 function rebuildRecentChangesTablePass3()
102 global $wgGroupPermissions, $wgUseRCPatrol;
104 $dbw = wfGetDB( DB_MASTER );
106 list ($recentchanges, $usergroups) = $dbw->tableNamesN( 'recentchanges', 'user_groups' );
108 $botgroups = $autopatrolgroups = array();
109 foreach( $wgGroupPermissions as $group => $rights ) {
110 if( isset( $rights['bot'] ) && $rights['bot'] == true ) {
111 $botgroups[] = "'" . $dbw->strencode( $group ) . "'";
113 if( $wgUseRCPatrol && isset( $rights['autopatrol'] ) && $rights['autopatrol'] == true ) {
114 $autopatrolgroups[] = "'" . $dbw->strencode( $group ) . "'";
117 # Flag our recent bot edits
118 if( !empty($botgroups) ) {
119 $botwhere = implode(',',$botgroups);
122 print( "Flagging bot account edits...\n" );
124 # Find all users in RC that are bots
125 $sql = "SELECT DISTINCT rc_user FROM $recentchanges " .
126 "LEFT JOIN $usergroups ON rc_user=ug_user " .
127 "WHERE ug_group IN($botwhere)";
128 $res = $dbw->query( $sql, DB_MASTER );
130 while( $obj = $dbw->fetchObject( $res ) ) {
131 $botusers[] = $obj->rc_user;
133 # Fill in the rc_bot field
134 if( !empty($botusers) ) {
135 $botwhere = implode(',',$botusers);
136 $sql2 = "UPDATE $recentchanges SET rc_bot=1 " .
137 "WHERE rc_user IN($botwhere)";
138 $dbw->query( $sql2 );
141 # Flag our recent autopatrolled edits
142 if( !empty($autopatrolgroups) ) {
143 $patrolwhere = implode(',',$autopatrolgroups);
144 $patrolusers = array();
146 print( "Flagging auto-patrolled edits...\n" );
148 # Find all users in RC with autopatrol rights
149 $sql = "SELECT DISTINCT rc_user FROM $recentchanges " .
150 "LEFT JOIN $usergroups ON rc_user=ug_user " .
151 "WHERE ug_group IN($patrolwhere)";
152 $res = $dbw->query( $sql, DB_MASTER );
154 while( $obj = $dbw->fetchObject( $res ) ) {
155 $patrolusers[] = $obj->rc_user;
158 # Fill in the rc_patrolled field
159 if( !empty($patrolusers) ) {
160 $patrolwhere = implode(',',$patrolusers);
161 $sql2 = "UPDATE $recentchanges SET rc_patrolled=1 " .
162 "WHERE rc_user IN($patrolwhere)";
163 $dbw->query( $sql2 );
167 $dbw->freeResult( $res );