Method Equal

be/src/util/tuple-row-compare.h:332–356

  }

  bool Equal(Tuple* x, Tuple* y) {
    const std::vector<SlotDescriptor*>& slots = tuple_desc_->slots();
    for (int i = 0; i < slots.size(); ++i) {
      SlotDescriptor* slot = slots[i];

      if (slot->is_nullable()) {
        const NullIndicatorOffset& null_offset = slot->null_indicator_offset();
        if (x->IsNull(null_offset) || y->IsNull(null_offset)) {
          if (x->IsNull(null_offset) && y->IsNull(null_offset)) {
            continue;
          } else {
            return false;
          }
        }
      }

      int tuple_offset = slot->tuple_offset();
      const ColumnType& type = slot->type();
      if (!RawValue::Eq(x->GetSlot(tuple_offset), y->GetSlot(tuple_offset), type)) {
        return false;
      }
    }

    return true;
  }
};

/// Compares the equality of two TupleRows, going tuple by tuple.