commit a2fb756a43441a72e10ae74fa0e483e01bc5917e
author Steven Phillips <steven@dremio.com> Tue Jul 19 13:39:48 2016 -0700
committer Steven Phillips <steven@dremio.com> Tue Jul 19 13:45:04 2016 -0700
tree 3b3f444c0b429812d31d05763f4cb732fd322758
parent 59e5f9806515e8a5360870c93082316f74d7ec7c

ARROW-241: Add missing implementation for splitAndTransfer in UnionVector

Use simple implementation that actually just copies

java/vector/src/main/codegen/templates/UnionVector.java

diff --git a/java/vector/src/main/codegen/templates/UnionVector.java b/java/vector/src/main/codegen/templates/UnionVector.java
index 6042a5b..4829448 100644
--- a/java/vector/src/main/codegen/templates/UnionVector.java
+++ b/java/vector/src/main/codegen/templates/UnionVector.java
@@ -264,7 +264,11 @@
 
     @Override
     public void splitAndTransfer(int startIndex, int length) {
-
+      to.allocateNew();
+      for (int i = 0; i < length; i++) {
+        to.copyFromSafe(startIndex + i, i, org.apache.arrow.vector.complex.UnionVector.this);
+      }
+      to.getMutator().setValueCount(length);
     }
 
     @Override