From 222b01f5169f1c7e69762e0e8904c24f78f71882 Mon Sep 17 00:00:00 2001
From: Pierre Schmitz <pierre@archlinux.de>
Date: Wed, 28 Jul 2010 11:52:48 +0200
Subject: update to MediaWiki 1.16.0

---
 includes/JobQueue.php | 42 ++++++++++++++++++++++++------------------
 1 file changed, 24 insertions(+), 18 deletions(-)

(limited to 'includes/JobQueue.php')

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(),
-- 
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