--TEST-- PDO->beginTransaction() --SKIPIF-- --FILE-- getAttribute(PDO::ATTR_AUTOCOMMIT)) printf("[001] Autocommit should be on by default\n"); if (false == $db->beginTransaction()) printf("[002] Cannot start a transaction, [%s] [%s]\n", $db->errorCode(), implode(' ', $db->errorInfo())); if (1 !== $db->getAttribute(PDO::ATTR_AUTOCOMMIT)) printf("[003] Autocommit should be on by default, beginTransaction() shall not impact it\n"); if (0 == $db->exec('DELETE FROM test')) printf("[004] No rows deleted, can't be true.\n"); /* This is the PDO way to close a connection */ $db = null; $db = MySQLPDOTest::factory(); /* Autocommit was off - by definition. Commit was not issued. DELETE should have been rolled back. */ if (!($stmt = $db->query('SELECT id, label FROM test ORDER BY id ASC'))) printf("[005] [%s] %s\n", $db->errorCode(), implode(' ', $db->errorInfo())); $row = $stmt->fetch(PDO::FETCH_ASSOC); var_dump($row); if (!$db->beginTransaction()) printf("[006] [%s] %s\n", $db->errorCode(), implode(' ', $db->errorInfo())); if (1 !== $db->exec(sprintf('DELETE FROM test WHERE id = %d', $row['id']))) printf("[007] DELETE should have indicated 1 deleted row, [%s] %s\n", $db->errorCode(), implode(' ', $db->errorInfo())); if (!$db->commit()) printf("[008] [%s] %s\n", $db->errorCode(), implode(' ', $db->errorInfo())); if (1 !== $db->getAttribute(PDO::ATTR_AUTOCOMMIT)) printf("[009] Autocommit should be on after commit()\n"); if (!($stmt = $db->query(sprintf('SELECT id, label FROM test WHERE id = %d', $row['id'])))) printf("[010] [%s] %s\n", $db->errorCode(), implode(' ', $db->errorInfo())); var_dump($stmt->fetch(PDO::FETCH_ASSOC)); if (!$db->beginTransaction()) printf("[011] [%s] %s\n", $db->errorCode(), implode(' ', $db->errorInfo())); $db->exec(sprintf("INSERT INTO test(id, label) VALUES (%d, 'z')", $row['id'])); if (!($stmt = $db->query(sprintf('SELECT id, label FROM test WHERE id = %d', $row['id'])))) printf("[012] [%s] %s\n", $db->errorCode(), implode(' ', $db->errorInfo())); $new_row1 = $stmt->fetch(PDO::FETCH_ASSOC); var_dump($new_row1); if (!$db->commit()) printf("[013] [%s] %s\n", $db->errorCode(), implode(' ', $db->errorInfo())); if (!($stmt = $db->query(sprintf('SELECT id, label FROM test WHERE id = %d', $row['id'])))) printf("[014] [%s] %s\n", $db->errorCode(), implode(' ', $db->errorInfo())); $new_row2 = $stmt->fetch(PDO::FETCH_ASSOC); if ($new_row1 != $new_row2) { printf("[015] Results must not differ!\n"); var_dump($new_row1); var_dump($new_row2); } if (!$db->beginTransaction()) printf("[016] [%s] %s\n", $db->errorCode(), implode(' ', $db->errorInfo())); if (1 !== $db->exec(sprintf('DELETE FROM test WHERE id = %d', $row['id']))) printf("[017] DELETE should have indicated 1 deleted row, [%s] %s\n", $db->errorCode(), implode(' ', $db->errorInfo())); if (!$db->rollback()) printf("[018] [%s] %s\n", $db->errorCode(), implode(' ', $db->errorInfo())); if (1 !== $db->getAttribute(PDO::ATTR_AUTOCOMMIT)) printf("[019] Autocommit should be on after rollback\n"); if (!($stmt = $db->query(sprintf('SELECT id, label FROM test WHERE id = %d', $row['id'])))) printf("[020] [%s] %s\n", $db->errorCode(), implode(' ', $db->errorInfo())); $new_row2 = $stmt->fetch(PDO::FETCH_ASSOC); if ($new_row1 != $new_row2) { printf("[021] Results must not differ!\n"); var_dump($new_row1); var_dump($new_row2); } // now, lets check the server variables if (!($stmt = $db->query('SELECT @@autocommit as auto_commit'))) printf("[022] [%s] %s\n", $db->errorCode(), implode(' ', $db->errorInfo())); $tmp = $stmt->fetch(PDO::FETCH_ASSOC); if ($tmp['auto_commit'] != 1) printf("[023] MySQL Server should indicate autocommit mode, expecting 1, got '%s', [%d] %s\n", $tmp['auto_commit'], $stmt->errorCode(), $stmt->errorInfo()); if (!$db->beginTransaction()) printf("[024] [%s] %s\n", $db->errorCode(), implode(' ', $db->errorInfo())); if (!($stmt = $db->query('SELECT @@autocommit as auto_commit'))) printf("[025] [%s] %s\n", $db->errorCode(), implode(' ', $db->errorInfo())); $tmp = $stmt->fetch(PDO::FETCH_ASSOC); if ($tmp['auto_commit'] != 0) printf("[026] Autocommit mode of the MySQL Server should be off, got '%s', [%d] %s\n", $tmp['auto_commit'], $stmt->errorCode(), trim(implode(' ', $stmt->errorInfo()))); $db->commit(); // Now we should be back to autocommit - we've issues a commit if ($tmp['auto_commit'] != 1) printf("[027] MySQL Server should indicate autocommit mode, expecting 1, got '%s', [%d] %s\n", $tmp['auto_commit'], $stmt->errorCode(), $stmt->errorInfo()); // Turn off autocommit using a server variable $db->exec('SET @@autocommit = 0'); if (1 === $db->getAttribute(PDO::ATTR_AUTOCOMMIT)) printf("[028] I'm confused, how can autocommit be on? Didn't I say I want to manually control transactions?\n"); if (!$db->beginTransaction()) printf("[029] Cannot start a transaction, [%d] %s\n", $db->errorCode(), implode(' ', $db->errorInfo())); try { if (false !== $db->beginTransaction()) { printf("[030] No false and no exception - that's wrong.\n"); } } catch (PDOException $e) { assert($e->getMessage() != ''); } // TODO: What about an engine that does not support transactions? $db = MySQLPDOTest::factory(); MySQLPDOTest::createTestTable($db, 'MyISAM'); if (false == $db->beginTransaction()) printf("[031] Cannot start a transaction, [%s] [%s]\n", $db->errorCode(), implode(' ', $db->errorInfo())); if (1 !== $db->getAttribute(PDO::ATTR_AUTOCOMMIT)) printf("[032] Autocommit should be on my default, beginTransaction() should not change that\n"); if (0 == $db->exec('DELETE FROM test')) printf("[033] No rows deleted, can't be true.\n"); if (!$db->commit()) printf("[034] [%s] %s\n", $db->errorCode(), implode(' ', $db->errorInfo())); if (false == $db->beginTransaction()) printf("[035] Cannot start a transaction, [%s] [%s]\n", $db->errorCode(), implode(' ', $db->errorInfo())); if (0 == $db->exec("INSERT INTO test(id, label) VALUES (1, 'a')")) printf("[036] Cannot insert data, [%s] [%s]\n", $db->errorCode(), implode(' ', $db->errorInfo())); // Should cause a Server warning but no error if (!$db->rollback()) printf("[037] [%s] %s\n", $db->errorCode(), implode(' ', $db->errorInfo())); var_dump($db->errorCode()); if (1 != $db->exec('DELETE FROM test')) printf("[038] No rows deleted, can't be true.\n"); print "done!"; ?> --CLEAN-- --EXPECTF-- array(2) { ["id"]=> string(1) "1" ["label"]=> string(1) "a" } bool(false) array(2) { ["id"]=> string(1) "1" ["label"]=> string(1) "z" } [026] Autocommit mode of the MySQL Server should be off, got '1', [0] 00000 [028] I'm confused, how can autocommit be on? Didn't I say I want to manually control transactions? string(5) "00000" done!