From 1a53a46c1b35bd58d790b9581ff9cdc98e33c289 Mon Sep 17 00:00:00 2001
From: Regis Bittencourt <regisbsbittencourt@gmail.com>
Date: Tue, 14 Jul 2015 11:27:02 +0100
Subject: [PATCH] Update OutputCommandOperation.cs

Missing null check on transaction.
Added to make it like SqlBulkInsertOperation.
---
 Rhino.Etl.Core/Operations/OutputCommandOperation.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Rhino.Etl.Core/Operations/OutputCommandOperation.cs b/Rhino.Etl.Core/Operations/OutputCommandOperation.cs
index 728c7f8..629a16f 100644
--- a/Rhino.Etl.Core/Operations/OutputCommandOperation.cs
+++ b/Rhino.Etl.Core/Operations/OutputCommandOperation.cs
@@ -52,7 +52,7 @@ public override IEnumerable<Row> Execute(IEnumerable<Row> rows)
                 if (PipelineExecuter.HasErrors)
                 {
                     Warn("Rolling back transaction in {0}", Name);
-                    transaction.Rollback();
+                    if (transaction != null) transaction.Rollback();
                     Warn("Rolled back transaction in {0}", Name);
                 }
                 else