Preserve AssignValueUpdates to struct fields in indexing docproc

Would previously be rewritten as MapValueUpdates for unknown reasons.
This wouldn't actually work, as an exception would be thrown during
serialization when sanity checking code figured out that the MapValue
update was attempted used for a non-array/wset field data type.

1 files changed, 1 insertions, 6 deletions

diff --git a/indexinglanguage/src/main/java/com/yahoo/vespa/indexinglanguage/FieldUpdateAdapter.java b/indexinglanguage/src/main/java/com/yahoo/vespa/indexinglanguage/FieldUpdateAdapter.java
index cffbd21f7c5..7296e4ce61e 100644
--- a/indexinglanguage/src/main/java/com/yahoo/vespa/indexinglanguage/FieldUpdateAdapter.java
+++ b/indexinglanguage/src/main/java/com/yahoo/vespa/indexinglanguage/FieldUpdateAdapter.java
@@ -242,7 +242,6 @@ public class FieldUpdateAdapter implements UpdateAdapter {
 
     private static class CompleteBuilder extends PartialBuilder {
 
-        static final ValueUpdate nullMap = new MapValueUpdate(null, null);
         static final ValueUpdate nullAssign = new AssignValueUpdate(null);
 
         CompleteBuilder() {
@@ -251,11 +250,7 @@ public class FieldUpdateAdapter implements UpdateAdapter {
 
         @Override
         List<ValueUpdate> createValueUpdates(FieldValue val, ValueUpdate upd) {
-            if (val instanceof StructuredFieldValue) {
-                return super.createValueUpdates(val, nullMap);
-            } else {
-                return super.createValueUpdates(val, nullAssign);
-            }
+            return super.createValueUpdates(val, nullAssign);
         }
     }
 }