mrhhsg commented on code in PR #10700:
URL: https://github.com/apache/doris/pull/10700#discussion_r916913762
##########
be/src/vec/columns/column_nullable.cpp:
##########
@@ -134,6 +134,24 @@ const char*
ColumnNullable::deserialize_and_insert_from_arena(const char* pos) {
return pos;
}
+size_t ColumnNullable::get_max_row_byte_size() const {
+ constexpr auto flag_size = sizeof(get_null_map_data()[0]);
+ return flag_size + get_nested_column().get_max_row_byte_size();
+}
+
+void ColumnNullable::serialize_vec(std::vector<StringRef>& keys, size_t
num_rows,
+ size_t max_row_byte_size) const {
+ const auto& arr = get_null_map_data();
+ static constexpr auto s = sizeof(arr[0]);
+ for (size_t i = 0; i < num_rows; ++i) {
+ auto* val = const_cast<char*>(keys[i].data + keys[i].size);
+ *val = (arr[i] ? 1 : 0);
Review Comment:
Value of `NULL` may be 1 or JOIN_NULL_HINT(2)
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