Return null if results are not wanted.

Angus Davis · Angus Davis · commit b37602821cf2 · 2015-02-20T15:34:31.000-08:00
diff --git a/bigtable-hbase/src/main/java/com/google/cloud/bigtable/hbase/BigtableTable.java b/bigtable-hbase/src/main/java/com/google/cloud/bigtable/hbase/BigtableTable.java
@@ -423,7 +423,13 @@ public Result append(Append append) throws IOException {
     try {
       com.google.bigtable.v1.Row response =
           client.readModifyWriteRow(appendRowRequest.build());
-      return bigtableRowAdapter.adaptResponse(response);
+      // The bigtable API will always return the mutated results. In order to maintain
+      // compatibility, simply return null when results were not requested.
+      if (append.isReturnResults()) {
+        return bigtableRowAdapter.adaptResponse(response);
+      } else {
+        return null;
+      }
     } catch (RuntimeException e) {
       LOG.error("Encountered Exception when executing append. Exception: %s", e);
       throw new IOException(
