- Patch #517502 by Crell: make transaction API follow its own documentation.

includes/database/database.inc

@@ -225,7 +225,7 @@ abstract class DatabaseConnection extends PDO {
    *
    * @var boolean
    */
-  protected $willRollBack;
+  protected $willRollback;
 
   /**
    * The name of the Select class for this connection.
@@ -849,12 +849,12 @@ public function startTransaction($required = FALSE) {
    *
    * This method throws an exception if no transaction is active.
    */
-  public function rollBack() {
+  public function rollback() {
     if ($this->transactionLayers == 0) {
       throw new NoActiveTransactionException();
     }
 
-    $this->willRollBack = TRUE;
+    $this->willRollback = TRUE;
   }
 
   /**
@@ -867,12 +867,12 @@ public function rollBack() {
    * @return
    *   TRUE if the transaction will roll back, FALSE otherwise.
    */
-  public function willRollBack() {
+  public function willRollback() {
     if ($this->transactionLayers == 0) {
       throw new NoActiveTransactionException();
     }
 
-    return $this->willRollBack;
+    return $this->willRollback;
   }
 
   /**
@@ -1448,6 +1448,23 @@ public function __destruct() {
     $this->connection->popTransaction();
   }
 
+  /**
+   * Roll back the current transaction.
+   *
+   * This is just a wrapper method to rollback whatever transaction stack we
+   * are currently in, which is managed by the connection object itself.
+   */
+  public function rollback() {
+    $this->connection->rollback();
+  }
+
+  /**
+   * Determine if this transaction will roll back.
+   */
+  public function willRollback() {
+    return $this->connection->willRollback();
+  }
+
 }
 
 /**

modules/simpletest/tests/database_test.test

@@ -2624,8 +2624,8 @@ class DatabaseTransactionTestCase extends DatabaseTestCase {
     if ($rollback) {
       // Roll back the transaction, if requested.
       // This rollback should propagate to the the outer transaction, if present.
-      $connection->rollBack();
-      $this->assertTrue($connection->willRollBack(), t('Transaction is scheduled to roll back after calling rollBack().'));
+      $txn->rollback();
+      $this->assertTrue($txn->willRollback(), t('Transaction is scheduled to roll back after calling rollback().'));
     }
   }