Method Prefetch

table/table_reader.h:103–110

Prefetch data corresponding to a give range of keys Typically this functionality is required for table implementations that persists the data on a non volatile storage medium like disk/SSD

  // Typically this functionality is required for table implementations that
  // persists the data on a non volatile storage medium like disk/SSD
  virtual Status Prefetch(const Slice* begin = nullptr,
                          const Slice* end = nullptr) {
    (void)begin;
    (void)end;
    // Default implementation is NOOP.
    // The child class should implement functionality when applicable
    return Status::OK();
  }

  // convert db file to a human readable form
  virtual Status DumpTable(WritableFile* /*out_file*/,