[Pkg-owncloud-commits] [owncloud] 31/70: MySQL: adding repair step to convert MyIsam tables to InnoDB

David Prévot taffit at moszumanska.debian.org
Mon Jul 14 17:38:05 UTC 2014


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taffit pushed a commit to branch master
in repository owncloud.

commit 8b97073e13050b3ce07b2501ec096f5600785646
Author: Thomas Müller <thomas.mueller at tmit.eu>
Date:   Mon Jul 7 12:32:24 2014 +0200

    MySQL: adding repair step to convert MyIsam tables to InnoDB
---
 lib/private/repair.php            |  1 +
 lib/repair/innodb.php             | 51 ++++++++++++++++++++++++++++++
 tests/lib/repair/repairinnodb.php | 65 +++++++++++++++++++++++++++++++++++++++
 3 files changed, 117 insertions(+)

diff --git a/lib/private/repair.php b/lib/private/repair.php
index 14a917b..89886dd 100644
--- a/lib/private/repair.php
+++ b/lib/private/repair.php
@@ -81,6 +81,7 @@ class Repair extends BasicEmitter {
 	 */
 	public static function getBeforeUpgradeRepairSteps() {
 		return array(
+			new \OC\Repair\InnoDB()
 		);
 	}
 
diff --git a/lib/repair/innodb.php b/lib/repair/innodb.php
new file mode 100644
index 0000000..4d58bf6
--- /dev/null
+++ b/lib/repair/innodb.php
@@ -0,0 +1,51 @@
+<?php
+/**
+ * Copyright (c) 2014 Thomas Müller <deepdiver at owncloud.com>
+ * This file is licensed under the Affero General Public License version 3 or
+ * later.
+ * See the COPYING-README file.
+ */
+
+namespace OC\Repair;
+
+use Doctrine\DBAL\Platforms\MySqlPlatform;
+use OC\Hooks\BasicEmitter;
+
+class InnoDB extends BasicEmitter implements \OC\RepairStep {
+
+	public function getName() {
+		return 'Repair MySQL database engine';
+	}
+
+	/**
+	 * Fix mime types
+	 */
+	public function run() {
+		$connection = \OC_DB::getConnection();
+		if (!$connection->getDatabasePlatform() instanceof MySqlPlatform) {
+			$this->emit('\OC\Repair', 'info', array('Not a mysql database -> nothing to no'));
+			return;
+		}
+
+		$tables = $this->getAllMyIsamTables($connection);
+		foreach ($tables as $table) {
+			$connection->exec("ALTER TABLE $table ENGINE=InnoDB;");
+			$this->emit('\OC\Repair', 'info', array("Fixed $table"));
+		}
+	}
+
+	/**
+	 * @param \Doctrine\DBAL\Connection $connection
+	 * @return string[]
+	 */
+	private function getAllMyIsamTables($connection) {
+		$dbName = \OC::$server->getConfig()->getSystemValue("dbname");
+		$result = $connection->fetchArray(
+			"SELECT table_name FROM information_schema.tables WHERE table_schema = ? AND engine = 'MyISAM'",
+			array($dbName)
+		);
+
+		return $result;
+	}
+}
+
diff --git a/tests/lib/repair/repairinnodb.php b/tests/lib/repair/repairinnodb.php
new file mode 100644
index 0000000..e7d2442
--- /dev/null
+++ b/tests/lib/repair/repairinnodb.php
@@ -0,0 +1,65 @@
+<?php
+/**
+ * Copyright (c) 2014 Thomas Müller <deepdiver at owncloud.com>
+ * This file is licensed under the Affero General Public License version 3 or
+ * later.
+ * See the COPYING-README file.
+ */
+
+/**
+ * Tests for the converting of MySQL tables to InnoDB engine
+ *
+ * @see \OC\Repair\RepairMimeTypes
+ */
+class TestRepairInnoDB extends PHPUnit_Framework_TestCase {
+
+	/** @var \OC\RepairStep */
+	private $repair;
+
+	/** @var \Doctrine\DBAL\Connection */
+	private $connection;
+
+	/** @var string */
+	private $tableName;
+
+	public function setUp() {
+		$this->connection = \OC_DB::getConnection();
+		if (!$this->connection->getDatabasePlatform() instanceof \Doctrine\DBAL\Platforms\MySqlPlatform) {
+			$this->markTestSkipped("Test only relevant on MySql");
+		}
+
+		$dbPrefix = \OC::$server->getConfig()->getSystemValue("dbtableprefix");
+		$this->tableName = uniqid($dbPrefix . "_innodb_test");
+		$this->connection->exec("CREATE TABLE $this->tableName(id INT) ENGINE MyISAM");
+
+		$this->repair = new \OC\Repair\InnoDB();
+	}
+
+	public function tearDown() {
+		$this->connection->getSchemaManager()->dropTable($this->tableName);
+	}
+
+	public function testInnoDBConvert() {
+		$result = $this->countMyIsamTables();
+		$this->assertEquals(1, $result);
+
+		$this->repair->run();
+
+		$result = $this->countMyIsamTables();
+		$this->assertEquals(0, $result);
+	}
+
+	/**
+	 * @param $dbName
+	 * @return mixed
+	 */
+	private function countMyIsamTables() {
+		$dbName = \OC::$server->getConfig()->getSystemValue("dbname");
+
+		$result = $this->connection->fetchColumn(
+			"SELECT count(*) FROM information_schema.tables WHERE table_schema = ? and table_name = ? AND engine = 'MyISAM'",
+			array($dbName, $this->tableName)
+		);
+		return $result;
+	}
+}

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