HappenLee commented on code in PR #31913:
URL: https://github.com/apache/doris/pull/31913#discussion_r1527973974
##########
be/src/vec/aggregate_functions/aggregate_function_map.h:
##########
@@ -135,13 +135,44 @@ struct AggregateFunctionMapAggData {
num_rows);
dst_key_column.get_nested_column().insert_range_from(*_key_column, 0,
num_rows);
dst.get_values().insert_range_from(*_value_column, 0, num_rows);
- if (offsets.size() == 0) {
+ if (offsets.empty()) {
offsets.push_back(num_rows);
} else {
offsets.push_back(offsets.back() + num_rows);
}
}
+ void write(BufferWritable& buf) const {
+ const size_t size = _key_column->size();
+ write_binary(size, buf);
+ for (size_t i = 0; i < size; i++) {
+
write_binary(assert_cast<KeyColumnType&>(*_key_column).get_data_at(i), buf);
+ }
+ for (size_t i = 0; i < size; i++) {
+ write_binary(_value_column->get_data_at(i), buf);
+ }
+ }
+
+ void read(BufferReadable& buf) {
+ size_t size = 0;
+ read_binary(size, buf);
+ std::string keys;
+ for (size_t i = 0; i < size; i++) {
+ read_binary(keys, buf);
+ StringRef key {keys};
+ if (_map.find(key) != _map.cend()) {
+ continue;
+ }
+ key.data = _arena.insert(key.data, key.size);
+ assert_cast<KeyColumnType&>(*_key_column).insert_data(key.data,
key.size);
+ }
+ std::string val;
Review Comment:
same to up
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