pdo_mysql_attr_autocommit.phpt

--TEST--
PDO::ATTR_AUTOCOMMIT
--EXTENSIONS--
pdo_mysql
--SKIPIF--
<?php
require_once(__DIR__ . DIRECTORY_SEPARATOR . 'mysql_pdo_test.inc');
MySQLPDOTest::skip();
$db = MySQLPDOTest::factory();
?>
--FILE--
<?php
    require_once(__DIR__ . DIRECTORY_SEPARATOR . 'mysql_pdo_test.inc');
    $db = MySQLPDOTest::factory();

    // autocommit should be on by default
    if (1 !== ($tmp = $db->getAttribute(PDO::ATTR_AUTOCOMMIT)))
        printf("[001] Expecting int/1 got %s\n", var_export($tmp, true));

    // lets see if the server agrees to that
    $row = $db->query('SELECT @@autocommit AS _autocommit')->fetch(PDO::FETCH_ASSOC);
    if (!$row['_autocommit'])
        printf("[002] Server autocommit mode should be on, got '%s'\n", var_export($row['_autocommit']));

    // on -> off
    if (!$db->setAttribute(PDO::ATTR_AUTOCOMMIT, 0))
        printf("[003] Cannot turn off autocommit\n");

    $row = $db->query('SELECT @@autocommit AS _autocommit')->fetch(PDO::FETCH_ASSOC);
    if ($row['_autocommit'])
        printf("[004] Server autocommit mode should be off, got '%s'\n", var_export($row['_autocommit']));

    // PDO thinks autocommit is off, but its manually turned on...
    if (!$db->query('SET autocommit = 1'))
        printf("[005] Cannot turn on server autocommit mode, %s\n", var_export($db->errorInfo(), true));

    if (0 !== ($tmp = $db->getAttribute(PDO::ATTR_AUTOCOMMIT)))
        printf("[006] Expecting int/0 got %s\n", var_export($tmp, true));

    // off -> on
    if (!$db->query('SET autocommit = 0'))
        printf("[007] Cannot turn off server autocommit mode, %s\n", var_export($db->errorInfo(), true));

    if (!$db->setAttribute(PDO::ATTR_AUTOCOMMIT, 1))
        printf("[008] Cannot turn on autocommit\n");

    $row = $db->query('SELECT @@autocommit AS _autocommit')->fetch(PDO::FETCH_ASSOC);
    if (!$row['_autocommit'])
        printf("[009] Server autocommit mode should be on, got '%s'\n", var_export($row['_autocommit']));

    if (1 !== ($tmp = $db->getAttribute(PDO::ATTR_AUTOCOMMIT)))
        printf("[010] Expecting int/1 got %s\n", var_export($tmp, true));

    if (MySQLPDOTest::detect_transactional_mysql_engine($db)) {
        // nice, we have a transactional engine to play with

        MySQLPDOTest::createTestTable($db, MySQLPDOTest::detect_transactional_mysql_engine($db));
        $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("[011] Insert has failed, test will fail\n");

        // autocommit is on, no rollback possible
        $db->query('ROLLBACK');
        $row = $db->query('SELECT COUNT(*) AS _num FROM test')->fetch(PDO::FETCH_ASSOC);
        if ($row['_num'] != $num)
            printf("[012] ROLLBACK should not have undone anything\n");

        if (!$db->setAttribute(PDO::ATTR_AUTOCOMMIT, 0))
            printf("[013] Cannot turn off autocommit\n");

        $db->query('DELETE FROM test WHERE id = 100');
        $db->query('ROLLBACK');
        $row = $db->query('SELECT COUNT(*) AS _num FROM test')->fetch(PDO::FETCH_ASSOC);
        if ($row['_num'] != $num)
            printf("[014] ROLLBACK should have undone the DELETE\n");

        $db->query('DELETE FROM test WHERE id = 100');
        $db->query('COMMIT');
        $num--;
        $row = $db->query('SELECT COUNT(*) AS _num FROM test')->fetch(PDO::FETCH_ASSOC);
        if ($row['_num'] != $num)
            printf("[015] DELETE should have been committed\n");

    }

    print "done!";
?>
--CLEAN--
<?php
require __DIR__ . '/mysql_pdo_test.inc';
MySQLPDOTest::dropTestTable();
?>
--EXPECT--
done!