private Object structLookup(Object object,String key){
  return internalMergeObjectInspector.getStructFieldData(object,internalMergeObjectInspector.getStructFieldRef(key));
}

private Object structLookup ( Object object , String key ) { return internalMergeObjectInspector . getStructFieldData ( object , internalMergeObjectInspector . getStructFieldRef ( key ) ) ; }
given a struct and a key , look the key up in the struct with the merge object inspector .
