Create SearchArgument using column ids

virtual SearchArgumentBuilder& lessThan(const std::string& column,
                                        PredicateDataType type,
                                        Literal literal) = 0;

id int
s1 struct<id:int,name:string>
s2 struct<id:int,name:string>

  // find column id from column name
  uint64_t SargsApplier::findColumn(const Type& type,
                                    const std::string& colName) {
    for (uint64_t i = 0; i != type.getSubtypeCount(); ++i) {
      if (type.getFieldName(i) == colName) {
        return type.getSubtype(i)->getColumnId();
      } else {
        uint64_t ret = findColumn(*type.getSubtype(i), colName);
        if (ret != INVALID_COLUMN_ID) {
          return ret;
        }
      }
    }
    return INVALID_COLUMN_ID;
  }