print "Setting AUTOCOMMIT=1\n";
wfQuery("SET SESSION AUTOCOMMIT=1", DB_WRITE);
+ print "Extracting often used data from cur (may take a few minutes)\n";
+ $sql = "CREATE TEMPORARY TABLE cur_fast SELECT cur_namespace, cur_title, cur_id FROM cur";
+ wfQuery( $sql, DB_WRITE );
+ $sql = "ALTER TABLE cur_fast ADD INDEX(cur_namespace, cur_title)";
+ wfQuery( $sql, DB_WRITE );
+
print "Locking tables\n";
- $sql = "LOCK TABLES cur READ, interwiki READ, user_newtalk READ, " .
+ $sql = "LOCK TABLES cur READ, cur_fast READ, interwiki READ, user_newtalk READ, " .
"links WRITE, brokenlinks WRITE, imagelinks WRITE";
wfQuery( $sql, DB_WRITE );
+
print "Deleting old data in links table.\n";
$sql = "DELETE FROM links";
wfQuery( $sql, DB_WRITE );
$parts[] = " (cur_namespace = " . $nt->getNamespace() . " AND " .
"cur_title='" . wfStrencode( $nt->getDBkey() ) . "')";
}
- $sql = "SELECT cur_namespace, cur_title, cur_id FROM cur WHERE " . implode(" OR ", $parts);
+ $sql = "SELECT cur_namespace, cur_title, cur_id FROM cur_fast WHERE " .
+ implode(" OR ", $parts);
$res = wfQuery( $sql, DB_WRITE );
while($row = wfFetchObject( $res ) ){
$pos = $titles_needing_curdata_pos[$row->cur_title . $row->cur_namespace];