Update to MediaWiki 1.18.0

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1 files changed, 78 insertions, 0 deletions

diff --git a/maintenance/benchmarks/bench_delete_truncate.php b/maintenance/benchmarks/bench_delete_truncate.php
new file mode 100644
index 00000000..9fe9bea9
--- /dev/null
+++ b/maintenance/benchmarks/bench_delete_truncate.php
@@ -0,0 +1,78 @@
+<?php
+
+require_once( dirname( __FILE__ ) . '/Benchmarker.php' );
+
+class BenchmarkDeleteTruncate extends Benchmarker {
+
+	public function __construct() {
+		parent::__construct();
+		$this->mDescription = "Benchmarks SQL DELETE vs SQL TRUNCATE.";
+	}
+
+	public function execute() {
+		$dbw = wfGetDB( DB_MASTER );
+
+		$test = $dbw->tableName( 'test' );
+		$dbw->query( "CREATE TABLE IF NOT EXISTS /*_*/$test (
+  test_id int unsigned NOT NULL PRIMARY KEY AUTO_INCREMENT,
+  text varbinary(255) NOT NULL
+);" );
+
+		$this->insertData( $dbw );
+
+		$start = wfTime();
+
+		$this->delete( $dbw );
+
+		$end = wfTime();
+
+		echo "Delete: " . $end - $start;
+		echo "\r\n";
+
+		$this->insertData( $dbw );
+
+		$start = wfTime();
+
+		$this->truncate( $dbw );
+
+		$end = wfTime();
+
+		echo "Truncate: " . $end - $start;
+		echo "\r\n";
+
+		$dbw->dropTable( 'test' );
+	}
+
+	/**
+	 * @param  $dbw DatabaseBase
+	 * @return void
+	 */
+	private function insertData( $dbw ) {
+		$range = range( 0, 1024 );
+		$data = array();
+		foreach( $range as $r ) {
+			$data[] = array( 'text' => $r );
+		}
+		$dbw->insert( 'test', $data, __METHOD__ );
+	}
+
+	/**
+	 * @param  $dbw DatabaseBase
+	 * @return void
+	 */
+	private function delete( $dbw ) {
+		$dbw->delete( 'text', '*', __METHOD__ );
+	}
+
+	/**
+	 * @param  $dbw DatabaseBase
+	 * @return void
+	 */
+	private function truncate( $dbw ) {
+		$test = $dbw->tableName( 'test' );
+		$dbw->query( "TRUNCATE TABLE $test" );
+	}
+}
+
+$maintClass = "BenchmarkDeleteTruncate";
+require_once( RUN_MAINTENANCE_IF_MAIN );