Gabriel39 commented on code in PR #11801:
URL: https://github.com/apache/doris/pull/11801#discussion_r947586766
##########
be/src/vec/aggregate_functions/aggregate_function_avg.h:
##########
@@ -136,6 +143,70 @@ class AggregateFunctionAvg final
column.get_data().push_back(this->data(place).template
result<ResultType>());
}
+ void deserialize_from_column(AggregateDataPtr places, const IColumn&
column, Arena* arena,
+ size_t num_rows) const override {
+ auto& col = assert_cast<const ColumnFixedLengthObject&>(column);
+ DCHECK(col.size() >= num_rows) << "source column's size should greater
than num_rows";
+ auto* data = col.get_data().data();
+ memcpy(places, data, sizeof(Data) * num_rows);
+ }
+
+ void serialize_to_column(const std::vector<AggregateDataPtr>& places,
size_t offset,
+ MutableColumnPtr& dst, const size_t num_rows)
const override {
+ auto& col = assert_cast<ColumnFixedLengthObject&>(*dst);
+ col.set_item_size(sizeof(Data));
+ col.resize(num_rows);
+ auto* data = col.get_data().data();
+ for (size_t i = 0; i != num_rows; ++i) {
+ *reinterpret_cast<Data*>(&data[sizeof(Data) * i]) =
+ *reinterpret_cast<Data*>(places[i] + offset);
+ }
+ }
+
+ void streaming_agg_serialize_to_column(const IColumn** columns,
MutableColumnPtr& dst,
+ const size_t num_rows, Arena*
arena) const override {
+ auto* src_data = assert_cast<const
ColVecType&>(*columns[0]).get_data().data();
+ auto& dst_col = static_cast<ColumnFixedLengthObject&>(*dst);
+ dst_col.set_item_size(sizeof(Data));
+ dst_col.resize(num_rows);
+ auto* data = dst_col.get_data().data();
+ for (size_t i = 0; i != num_rows; ++i) {
+ auto& state = *reinterpret_cast<Data*>(&data[sizeof(Data) * i]);
+ state.sum = src_data[i];
+ state.count = 1;
+ }
+ }
+
+ void deserialize_and_merge_from_column(AggregateDataPtr __restrict place,
const IColumn& column,
+ Arena* arena) const override {
+ auto& col = assert_cast<const ColumnFixedLengthObject&>(column);
+ const size_t num_rows = column.size();
+ DCHECK(col.size() >= num_rows) << "source column's size should greater
than num_rows";
+ auto* data = reinterpret_cast<const Data*>(col.get_data().data());
+
+ for (size_t i = 0; i != num_rows; ++i) {
+ this->data(place).sum += data[i].sum;
+ this->data(place).count += data[i].count;
+ }
+ }
+
+ void serialize_without_key_to_column(ConstAggregateDataPtr __restrict
place,
+ MutableColumnPtr& dst) const override
{
+ auto& col = assert_cast<ColumnFixedLengthObject&>(*dst);
+ col.set_item_size(sizeof(Data));
+ col.resize(1);
+ *reinterpret_cast<Data*>(col.get_data().data()) = this->data(place);
+ ;
Review Comment:
```suggestion
```
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