blob: 7aa05a27f542708ae75ba806cac842bb5ae73e07 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
|
<?php
/*
* Pick a database that has pending jobs
*/
require_once( 'commandLine.inc' );
$pendingDBs = $wgMemc->get( 'jobqueue:dbs' );
if ( !$pendingDBs ) {
$pendingDBs = array();
# Cross-reference DBs by master DB server
$dbsByMaster = array();
$defaultMaster = $wgAlternateMaster['DEFAULT'];
foreach ( $wgLocalDatabases as $db ) {
if ( isset( $wgAlternateMaster[$db] ) ) {
$dbsByMaster[$wgAlternateMaster[$db]][] = $db;
} else {
$dbsByMaster[$defaultMaster][] = $db;
}
}
foreach ( $dbsByMaster as $master => $dbs ) {
$dbConn = new Database( $master, $wgDBuser, $wgDBpassword );
# Padding row for MySQL bug
$sql = "(SELECT '-------------------------------------------')";
foreach ( $dbs as $dbName ) {
if ( $sql != '' ) {
$sql .= ' UNION ';
}
$sql .= "(SELECT '$dbName' FROM `$dbName`.job LIMIT 1)";
}
$res = $dbConn->query( $sql, 'nextJobDB.php' );
$row = $dbConn->fetchRow( $res ); // discard padding row
while ( $row = $dbConn->fetchRow( $res ) ) {
$pendingDBs[] = $row[0];
}
}
$wgMemc->set( 'jobqueue:dbs', $pendingDBs, 300 );
}
if ( $pendingDBs ) {
echo $pendingDBs[mt_rand(0, count( $pendingDBs ) - 1)];
}
?>
|
