0001738: Introduce a new columntransform type that returns both new a…

…nd old data. use it for the copy transform
JumpMind · Jun 4, 2014 · 6cad0ea · 6cad0ea
1 parent 780fbd5
commit 6cad0ea
Showing 1 changed file with 9 additions and 1 deletion.
diff --git a/symmetric-io/src/main/java/org/jumpmind/symmetric/io/data/transform/TransformedData.java b/symmetric-io/src/main/java/org/jumpmind/symmetric/io/data/transform/TransformedData.java
@@ -325,7 +325,15 @@ public CsvData buildTargetCsvData() {
 
     public String[] getOldColumnValues() {
         List<String> list = retrieve(targetOldValuesByIncludeOnType, false);
-        return list.toArray(new String[list.size()]);
+        boolean use = false;
+        for (String string : list) {
+            use |= string != null;
+        }
+        if (use) {
+            return list.toArray(new String[list.size()]);
+        } else {
+            return null;
+        }
     }
 
 }