--TEST--
PDO::rollBack()
--EXTENSIONS--
pdo_mysql
--SKIPIF--
<?php
require_once(__DIR__ . DIRECTORY_SEPARATOR . 'mysql_pdo_test.inc');
MySQLPDOTest::skip();
$db = MySQLPDOTest::factory();
if (false == MySQLPDOTest::detect_transactional_mysql_engine($db))
    die("skip Transactional engine not found");
?>
--FILE--
<?php
    require_once(__DIR__ . DIRECTORY_SEPARATOR . 'mysql_pdo_test.inc');
    $db = MySQLPDOTest::factory();
    MySQLPDOTest::createTestTable($db, MySQLPDOTest::detect_transactional_mysql_engine($db));

    $db->beginTransaction();

    $row = $db->query('SELECT COUNT(*) AS _num FROM test')->fetch(PDO::FETCH_ASSOC);
    $num = $row['_num'];

    $db->query("INSERT INTO test(id, label) VALUES (100, 'z')");
    $num++;
    $row = $db->query('SELECT COUNT(*) AS _num FROM test')->fetch(PDO::FETCH_ASSOC);
    if ($row['_num'] != $num)
        printf("[001] INSERT has failed, test will fail\n");

    $db->rollBack();
    $num--;
    $row = $db->query('SELECT COUNT(*) AS _num FROM test')->fetch(PDO::FETCH_ASSOC);
    if ($row['_num'] != $num)
        printf("[002] ROLLBACK has failed\n");

    $db->beginTransaction();
    $db->query("INSERT INTO test(id, label) VALUES (100, 'z')");
    $db->query('DROP TABLE IF EXISTS test2');
    $db->query('CREATE TABLE test2(id INT)');
    $num++;
    try {
        $db->rollBack();
        $failed = false;
    } catch (PDOException $e) {
        $failed = true;
    }
    if (!$failed) {
        printf("[003] Rollback should have failed\n");
    }

    $db->query('DROP TABLE IF EXISTS test2');
    $db->query('CREATE TABLE test2(id INT) ENGINE=MyISAM');
    $db->beginTransaction();
    $db->query('INSERT INTO test2(id) VALUES (1)');
    $db->rollBack();
    $row = $db->query('SELECT COUNT(*) AS _num FROM test2')->fetch(PDO::FETCH_ASSOC);
    if ($row['_num'] != 1)
        printf("[003] ROLLBACK should have no effect\n");

    $db->query('DROP TABLE IF EXISTS test2');

    $db->setAttribute(PDO::ATTR_AUTOCOMMIT, 1);
    $db->beginTransaction();
    $db->query('DELETE FROM test');
    $db->rollBack();
    var_dump($db->getAttribute(PDO::ATTR_AUTOCOMMIT));

    $db->setAttribute(PDO::ATTR_AUTOCOMMIT, 0);
    $db->beginTransaction();
    $db->query('DELETE FROM test');
    $db->rollBack();
    var_dump($db->getAttribute(PDO::ATTR_AUTOCOMMIT));

    $db->setAttribute(PDO::ATTR_AUTOCOMMIT, 1);
    $db->beginTransaction();
    $db->query('DELETE FROM test');
    $db->commit();
    var_dump($db->getAttribute(PDO::ATTR_AUTOCOMMIT));

    $db->setAttribute(PDO::ATTR_AUTOCOMMIT, 0);
    $db->beginTransaction();
    $db->query('DELETE FROM test');
    $db->commit();
    var_dump($db->getAttribute(PDO::ATTR_AUTOCOMMIT));

    print "done!";
?>
--CLEAN--
<?php
require __DIR__ . '/mysql_pdo_test.inc';
$db = MySQLPDOTest::factory();
$db->exec('DROP TABLE IF EXISTS test');
$db->exec('DROP TABLE IF EXISTS test2');
?>
--EXPECT--
int(1)
int(0)
int(1)
int(0)
done!