Turn off autocommit for transactions (#16)

Author: kimpepper

src/Storage/DbalNestedSet.php

@@ -66,6 +66,7 @@ public function addNodeAfter(Node $target, NodeKey $nodeKey) {
   protected function insertNodeAtPostion($newLeftPosition, $depth, NodeKey $nodeKey) {
 
     try {
+      $this->connection->setAutoCommit(FALSE);
       $this->connection->beginTransaction();
 
       // Make space for inserting node.
@@ -85,6 +86,9 @@ protected function insertNodeAtPostion($newLeftPosition, $depth, NodeKey $nodeKe
       $this->connection->rollBack();
       throw $e;
     }
+    finally {
+      $this->connection->setAutoCommit(TRUE);
+    }
     return $newNode;
 
   }
@@ -271,6 +275,7 @@ public function deleteSubTree(Node $node) {
     $width = $right - $left + 1;
 
     try {
+      $this->connection->setAutoCommit(FALSE);
       $this->connection->beginTransaction();
 
       // Delete the node.
@@ -292,6 +297,9 @@ public function deleteSubTree(Node $node) {
       $this->connection->rollBack();
       throw $e;
     }
+    finally {
+      $this->connection->setAutoCommit(TRUE);
+    }
 
   }
 
@@ -347,6 +355,7 @@ protected function moveSubTreeToPosition($newLeftPosition, Node $node, $newDepth
       $distance = $newLeftPosition - $node->getLeft();
       $tempPos = $node->getLeft();
 
+      $this->connection->setAutoCommit(FALSE);
       $this->connection->beginTransaction();
 
       // Calculate depth difference.
@@ -386,6 +395,9 @@ protected function moveSubTreeToPosition($newLeftPosition, Node $node, $newDepth
       $this->connection->rollBack();
       throw $e;
     }
+    finally {
+      $this->connection->setAutoCommit(TRUE);
+    }
 
   }