public void skipNextField() throws IOException {
    if (!topLevelParsed) {
      topLevelParse();
      topLevelParsed = true;
    }
    if (nextFieldIndex + 1 >= fieldCount) {
      // No more.
    } else {
      nextFieldIndex++;
    }
  }
Parse the byte[] and fill each field.

This is an adapted version of the parse method in the LazyStruct class.
They should parse things the same way.
serde/src/java/org/apache/hadoop/hive/serde2/lazy/fast/LazySimpleDeserializeRead.java