00001 <?php
00012 function rebuildRecentChangesTable()
00013 {
00014 $sql = "DROP TABLE IF EXISTS recentchanges";
00015 wfQuery( $sql );
00016
00017 $sql = "CREATE TABLE recentchanges (
00018 rc_timestamp varchar(14) binary NOT NULL default '',
00019 rc_cur_time varchar(14) binary NOT NULL default '',
00020 rc_user int(10) unsigned NOT NULL default '0',
00021 rc_user_text varchar(255) binary NOT NULL default '',
00022 rc_namespace tinyint(3) unsigned NOT NULL default '0',
00023 rc_title varchar(255) binary NOT NULL default '',
00024 rc_comment varchar(255) binary NOT NULL default '',
00025 rc_minor tinyint(3) unsigned NOT NULL default '0',
00026 rc_new tinyint(3) unsigned NOT NULL default '0',
00027 rc_cur_id int(10) unsigned NOT NULL default '0',
00028 rc_this_oldid int(10) unsigned NOT NULL default '0',
00029 rc_last_oldid int(10) unsigned NOT NULL default '0',
00030 INDEX rc_cur_id (rc_cur_id),
00031 INDEX rc_cur_time (rc_cur_time),
00032 INDEX rc_timestamp (rc_timestamp),
00033 INDEX rc_namespace (rc_namespace),
00034 INDEX rc_title (rc_title)
00035 ) ENGINE=MyISAM PACK_KEYS=1;";
00036 wfQuery( $sql );
00037
00038 print( "Loading from CUR table...\n" );
00039
00040 $sql = "INSERT INTO recentchanges (rc_timestamp,rc_cur_time,rc_user," .
00041 "rc_user_text,rc_namespace,rc_title,rc_comment,rc_minor,rc_new," .
00042 "rc_cur_id,rc_this_oldid,rc_last_oldid) SELECT cur_timestamp," .
00043 "cur_timestamp,cur_user,cur_user_text,cur_namespace,cur_title," .
00044 "cur_comment,cur_minor_edit,cur_is_new,cur_id,0,0 FROM cur " .
00045 "ORDER BY cur_timestamp DESC LIMIT 5000";
00046 wfQuery( $sql );
00047
00048 print( "Loading from OLD table...\n" );
00049
00050 $sql = "INSERT INTO recentchanges (rc_timestamp,rc_cur_time,rc_user," .
00051 "rc_user_text,rc_namespace,rc_title,rc_comment,rc_minor,rc_new," .
00052 "rc_cur_id,rc_this_oldid,rc_last_oldid) SELECT old_timestamp,''," .
00053 "old_user,old_user_text,old_namespace,old_title,old_comment," .
00054 "old_minor_edit,0,0,old_id,0 FROM old ORDER BY old_timestamp " .
00055 "DESC LIMIT 5000";
00056 wfQuery( $sql );
00057
00058 $sql = "SELECT rc_timestamp FROM recentchanges " .
00059 "ORDER BY rc_timestamp DESC LIMIT 5000,1";
00060 $res = wfQuery( $sql );
00061 $obj = wfFetchObject( $res );
00062 $ts = $obj->rc_timestamp;
00063
00064 $sql = "DELETE FROM recentchanges WHERE rc_timestamp < '{$ts}'";
00065 wfQuery( $sql );
00066
00067 rebuildRecentChangesTablePass2();
00068 }
00069
00070 function rebuildRecentChangesTablePass2()
00071 {
00072 $ns = $id = $count = 0;
00073 $title = $ct = "";
00074
00075 print( "Updating links...\n" );
00076
00077 $sql = "SELECT rc_namespace,rc_title,rc_timestamp FROM recentchanges " .
00078 "ORDER BY rc_namespace,rc_title,rc_timestamp DESC";
00079 $res = wfQuery( $sql );
00080
00081 while ( $obj = wfFetchObject( $res ) ) {
00082 if ( ! ( $ns == $obj->rc_namespace &&
00083 0 == strcmp( $title, wfStrencode( $obj->rc_title ) ) ) ) {
00084
00085 $ns = $obj->rc_namespace;
00086 $title = wfStrencode( $obj->rc_title );
00087
00088 $sql = "SELECT cur_id,cur_timestamp FROM cur WHERE " .
00089 "cur_namespace={$ns} AND cur_title='{$title}'";
00090 $res2 = wfQuery( $sql );
00091 $obj2 = wfFetchObject( $res2 );
00092
00093 $id = $obj2->cur_id;
00094 $ct = $obj2->cur_timestamp;
00095 }
00096 $sql = "SELECT old_id FROM old WHERE old_namespace={$ns} " .
00097 "AND old_title='{$title}' AND old_timestamp < '" .
00098 "{$obj->rc_timestamp}' ORDER BY old_timestamp DESC LIMIT 1";
00099 $res2 = wfQuery( $sql );
00100
00101 if ( 0 != wfNumRows( $res2 ) ) {
00102 $obj2 = wfFetchObject( $res2 );
00103
00104 $sql = "UPDATE recentchanges SET rc_cur_id={$id},rc_cur_time=" .
00105 "'{$ct}',rc_last_oldid={$obj2->old_id} WHERE " .
00106 "rc_namespace={$ns} AND rc_title='{$title}' AND " .
00107 "rc_timestamp='{$obj->rc_timestamp}'";
00108 wfQuery( $sql );
00109 } else {
00110 $sql = "UPDATE recentchanges SET rc_cur_id={$id},rc_cur_time=" .
00111 "'{$ct}' WHERE rc_namespace={$ns} AND rc_title='{$title}' " .
00112 "AND rc_timestamp='{$obj->rc_timestamp}'";
00113 wfQuery( $sql );
00114 }
00115
00116 if ( 0 == ( ++$count % 500 ) ) {
00117 printf( "%d records processed.\n", $count );
00118 }
00119 }
00120 }
00121
00122
00123 ?>