Method SetNull

be/src/runtime/tuple.h:274–277

Turn null indicator bit on. For non-nullable slots, the mask will be 0 and this is a no-op (but we don't have to branch to check is slots are nullable).

  /// Turn null indicator bit on. For non-nullable slots, the mask will be 0 and
  /// this is a no-op (but we don't have to branch to check is slots are nullable).
  void SetNull(const NullIndicatorOffset& offset) {
    char* null_indicator_byte = reinterpret_cast<char*>(this) + offset.byte_offset;
    *null_indicator_byte |= offset.bit_mask;
  }

  /// Turn null indicator bit off.
  void SetNotNull(const NullIndicatorOffset& offset) {