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Diffstat (limited to 'includes/JobQueue.php')
-rw-r--r--includes/JobQueue.php42
1 files changed, 24 insertions, 18 deletions
diff --git a/includes/JobQueue.php b/includes/JobQueue.php
index afa757d7..4ab5eac6 100644
--- a/includes/JobQueue.php
+++ b/includes/JobQueue.php
@@ -46,16 +46,20 @@ abstract class Job {
* actually find a job; it may be adversely affected by concurrent job
* runners.
*/
- static function pop_type($type) {
+ static function pop_type( $type ) {
wfProfilein( __METHOD__ );
$dbw = wfGetDB( DB_MASTER );
+ $row = $dbw->selectRow(
+ 'job',
+ '*',
+ array( 'job_cmd' => $type ),
+ __METHOD__,
+ array( 'LIMIT' => 1 )
+ );
- $row = $dbw->selectRow( 'job', '*', array( 'job_cmd' => $type ), __METHOD__,
- array( 'LIMIT' => 1 ));
-
- if ($row === false) {
+ if ( $row === false ) {
wfProfileOut( __METHOD__ );
return false;
}
@@ -64,7 +68,7 @@ abstract class Job {
$dbw->delete( 'job', array( 'job_id' => $row->job_id ), __METHOD__ );
$affected = $dbw->affectedRows();
- if ($affected == 0) {
+ if ( $affected == 0 ) {
wfProfileOut( __METHOD__ );
return false;
}
@@ -75,7 +79,7 @@ abstract class Job {
$job = Job::factory( $row->job_cmd, $title, Job::extractBlob( $row->job_params ), $row->job_id );
$dbw->delete( 'job', $job->insertFields(), __METHOD__ );
- $dbw->immediateCommit();
+ $dbw->commit();
wfProfileOut( __METHOD__ );
return $job;
@@ -84,10 +88,10 @@ abstract class Job {
/**
* Pop a job off the front of the queue
*
- * @param $offset Number of jobs to skip
+ * @param $offset Integer: Number of jobs to skip
* @return Job or false if there's no jobs
*/
- static function pop($offset=0) {
+ static function pop( $offset = 0 ) {
wfProfileIn( __METHOD__ );
$dbr = wfGetDB( DB_SLAVE );
@@ -100,17 +104,18 @@ abstract class Job {
*/
$row = $dbr->selectRow( 'job', '*', "job_id >= ${offset}", __METHOD__,
- array( 'ORDER BY' => 'job_id', 'LIMIT' => 1 ));
+ array( 'ORDER BY' => 'job_id', 'LIMIT' => 1 ) );
// Refetching without offset is needed as some of job IDs could have had delayed commits
// and have lower IDs than jobs already executed, blame concurrency :)
//
- if ( $row === false) {
- if ($offset!=0)
+ if ( $row === false ) {
+ if ( $offset != 0 ) {
$row = $dbr->selectRow( 'job', '*', '', __METHOD__,
- array( 'ORDER BY' => 'job_id', 'LIMIT' => 1 ));
+ array( 'ORDER BY' => 'job_id', 'LIMIT' => 1 ) );
+ }
- if ($row === false ) {
+ if ( $row === false ) {
wfProfileOut( __METHOD__ );
return false;
}
@@ -121,7 +126,7 @@ abstract class Job {
$dbw = wfGetDB( DB_MASTER );
$dbw->delete( 'job', array( 'job_id' => $row->job_id ), __METHOD__ );
$affected = $dbw->affectedRows();
- $dbw->immediateCommit();
+ $dbw->commit();
if ( !$affected ) {
// Failed, someone else beat us to it
@@ -135,7 +140,7 @@ abstract class Job {
}
// Get the random row
$row = $dbw->selectRow( 'job', '*',
- 'job_id >= ' . mt_rand( $row->minjob, $row->maxjob ), __METHOD__ );
+ 'job_id >= ' . mt_rand( $row->minjob, $row->maxjob ), __METHOD__ );
if ( $row === false ) {
// Random job gone before we got the chance to select it
// Give up
@@ -145,7 +150,7 @@ abstract class Job {
// Delete the random row
$dbw->delete( 'job', array( 'job_id' => $row->job_id ), __METHOD__ );
$affected = $dbw->affectedRows();
- $dbw->immediateCommit();
+ $dbw->commit();
if ( !$affected ) {
// Random job gone before we exclusively deleted it
@@ -267,12 +272,13 @@ abstract class Job {
return;
}
}
- $fields['job_id'] = $dbw->nextSequenceValue( 'job_job_id_seq' );
$dbw->insert( 'job', $fields, __METHOD__ );
}
protected function insertFields() {
+ $dbw = wfGetDB( DB_MASTER );
return array(
+ 'job_id' => $dbw->nextSequenceValue( 'job_job_id_seq' ),
'job_cmd' => $this->command,
'job_namespace' => $this->title->getNamespace(),
'job_title' => $this->title->getDBkey(),