@Override
    public String toString() {
      return "logical columns " + readerLogicalColumnIds
          + ", physical columns " + filePhysicalColumnIds;
    }
Even when NOT including acid columns, we still want to number the
physical columns as if acid columns are included because
{@link #generateFileIncludes(TypeDescription)} takes the file
schema as input
(eg <op, owid, writerId, rowid, cwid, <f1, ... fn>>)
llap-server/src/java/org/apache/hadoop/hive/llap/io/api/impl/LlapRecordReader.java