function rebuildRecentChangesTablePass1()
{
- $sql = "DROP TABLE IF EXISTS recentchanges";
- wfQuery( $sql, DB_WRITE );
-
- $sql = "CREATE TABLE recentchanges (
- rc_timestamp varchar(14) binary NOT NULL default '',
- rc_cur_time varchar(14) binary NOT NULL default '',
- rc_user int(10) unsigned NOT NULL default '0',
- rc_user_text varchar(255) binary NOT NULL default '',
- rc_namespace tinyint(3) unsigned NOT NULL default '0',
- rc_title varchar(255) binary NOT NULL default '',
- rc_comment varchar(255) binary NOT NULL default '',
- rc_minor tinyint(3) unsigned NOT NULL default '0',
- rc_bot tinyint(3) unsigned NOT NULL default '0',
- rc_new tinyint(3) unsigned NOT NULL default '0',
- rc_cur_id int(10) unsigned NOT NULL default '0',
- rc_this_oldid int(10) unsigned NOT NULL default '0',
- rc_last_oldid int(10) unsigned NOT NULL default '0',
- INDEX rc_cur_id (rc_cur_id),
- INDEX rc_cur_time (rc_cur_time),
- INDEX rc_timestamp (rc_timestamp),
- INDEX rc_namespace (rc_namespace),
- INDEX rc_title (rc_title)
-) TYPE=MyISAM PACK_KEYS=1;";
+ $sql = "DELETE FROM recentchanges";
wfQuery( $sql, DB_WRITE );
print( "Loading from CUR table...\n" );
"rc_cur_id,rc_this_oldid,rc_last_oldid) SELECT cur_timestamp," .
"cur_timestamp,cur_user,cur_user_text,cur_namespace,cur_title," .
"cur_comment,cur_minor_edit,0,cur_is_new,cur_id,0,0 FROM cur " .
- "ORDER BY cur_timestamp DESC LIMIT 5000";
+ "ORDER BY inverse_timestamp LIMIT 5000";
wfQuery( $sql, DB_WRITE );
print( "Loading from OLD table...\n" );
$sql = "INSERT INTO recentchanges (rc_timestamp,rc_cur_time,rc_user," .
"rc_user_text,rc_namespace,rc_title,rc_comment,rc_minor,rc_bot,rc_new," .
- "rc_cur_id,rc_this_oldid,rc_last_oldid) SELECT old_timestamp,''," .
+ "rc_cur_id,rc_this_oldid,rc_last_oldid) SELECT old_timestamp,cur_timestamp," .
"old_user,old_user_text,old_namespace,old_title,old_comment," .
- "old_minor_edit,0,0,0,old_id,0 FROM old ORDER BY old_timestamp " .
- "DESC LIMIT 5000";
+ "old_minor_edit,0,0,cur_id,old_id,0 FROM old,cur " .
+ "WHERE old_namespace=cur_namespace AND old_title=cur_title ORDER BY old.inverse_timestamp " .
+ "LIMIT 5000";
wfQuery( $sql, DB_WRITE );
$sql = "SELECT rc_timestamp FROM recentchanges " .
print( "Updating links...\n" );
- $sql = "SELECT rc_namespace,rc_title,rc_timestamp FROM recentchanges " .
- "ORDER BY rc_namespace,rc_title,rc_timestamp DESC";
+ # Fill in the rc_last_oldid field, which points to the previous edit
+ #
+ $sql = "SELECT rc_cur_id,rc_this_oldid,rc_timestamp FROM recentchanges " .
+ "ORDER BY rc_cur_id,rc_timestamp";
$res = wfQuery( $sql, DB_WRITE );
+ $lastCurId = 0;
+ $lastOldId = 0;
while ( $obj = wfFetchObject( $res ) ) {
- if ( ! ( $ns == $obj->rc_namespace &&
- 0 == strcmp( $title, wfStrencode( $obj->rc_title ) ) ) ) {
-
- $ns = $obj->rc_namespace;
- $title = wfStrencode( $obj->rc_title );
-
- $sql = "SELECT cur_id,cur_timestamp FROM cur WHERE " .
- "cur_namespace={$ns} AND cur_title='{$title}'";
- $res2 = wfQuery( $sql, DB_WRITE );
- $obj2 = wfFetchObject( $res2 );
-
- $id = $obj2->cur_id;
- $ct = $obj2->cur_timestamp;
-
- $sql = "SELECT old_id FROM old WHERE old_namespace={$ns} " .
- "AND old_title='{$title}' ORDER BY old_timestamp DESC";
- $res2 = wfQuery( $sql, DB_WRITE );
- $numRows = wfNumRows( $res2 );
+ $new = 0;
+ if( $obj->rc_cur_id != $lastCurId ) {
+ # Switch! Look up the previous last edit, if any
+ $lastCurId = IntVal( $obj->rc_cur_id );
+ $emit = wfInvertTimestamp( $obj->rc_timestamp );
+ $sql2 = "SELECT old_id FROM old,cur " .
+ "WHERE old_namespace=cur_namespace AND old_title=cur_title AND cur_id={$lastCurId} ".
+ "AND old.inverse_timestamp>'{$emit}' ORDER BY old.inverse_timestamp LIMIT 1";
+ $res2 = wfQuery( $sql2, DB_WRITE );
+ if( $row = wfFetchObject( $res2 ) ) {
+ $lastOldId = IntVal( $row->old_id );
+ } else {
+ # No previous edit
+ $lastOldId = 0;
+ $new = 1;
+ }
+ wfFreeResult( $res2 );
}
-
- if ( 0 != $numRows-- ) {
- $obj2 = wfFetchObject( $res2 );
-
- $sql = "UPDATE recentchanges SET rc_cur_id={$id},rc_cur_time=" .
- "'{$ct}',rc_last_oldid={$obj2->old_id} WHERE " .
- "rc_namespace={$ns} AND rc_title='{$title}' AND " .
- "rc_timestamp='{$obj->rc_timestamp}'";
- wfQuery( $sql, DB_WRITE );
+ if( $lastCurId == 0 ) {
+ print "Uhhh, something wrong? No curid\n";
} else {
- $sql = "UPDATE recentchanges SET rc_cur_id={$id},rc_cur_time=" .
- "'{$ct}' WHERE rc_namespace={$ns} AND rc_title='{$title}' " .
- "AND rc_timestamp='{$obj->rc_timestamp}'";
- wfQuery( $sql, DB_WRITE );
- }
-
- if ( 0 == ( ++$count % 500 ) ) {
- printf( "%d records processed.\n", $count );
+ $sql3 = "UPDATE recentchanges SET rc_last_oldid=$lastOldId,rc_new=$new,rc_type=$new WHERE rc_cur_id={$lastCurId} AND rc_this_oldid={$obj->rc_this_oldid}";
+ wfQuery( $sql3, DB_WRITE );
+ $lastOldId = IntVal( $obj->rc_this_oldid );
}
}
+ wfFreeResult( $res );
}
?>