Method IsZeroSlotTableScan

be/src/exec/hdfs-scan-node-base.h:598–601

Returns true if there are no materialized slots, such as a count(*) over the table.

  /// Returns true if there are no materialized slots, such as a count(*) over the table.
  inline bool IsZeroSlotTableScan() const {
    return materialized_slots().empty() && tuple_desc()->tuple_path().empty() &&
        virtual_column_slots().empty();
  }

  /// Transfers all memory from 'pool' to shared state of all scanners.
  void TransferToSharedStatePool(MemPool* pool);