wangbo commented on a change in pull request #7855: URL: https://github.com/apache/incubator-doris/pull/7855#discussion_r791325529
########## File path: be/src/vec/columns/column_vector.h ########## @@ -120,10 +120,13 @@ class ColumnVector final : public COWHelper<ColumnVectorHelper, ColumnVector<T>> ColumnVector(std::initializer_list<T> il) : data {il} {} void insert_res_column(const uint16_t* sel, size_t sel_size, vectorized::ColumnVector<T>* res_ptr) { + auto& res_data = res_ptr->data; + res_data.reserve(res_ptr->size() + sel_size); Review comment: ```suggestion res_data.reserve(sel_size); ``` -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: commits-unsubscr...@doris.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: commits-unsubscr...@doris.apache.org For additional commands, e-mail: commits-h...@doris.apache.org