`Selected 13 parts by date, 13 parts by key, 26 marks by primary key .... `

This message is confusing for new users.

I suggest to replace it with

`Selected 13 parts by partition key, 13 parts by primary key, 26 marks by primary key...`
part.data_part,
                    max_block_size,
                    settings.preferred_block_size_bytes,
                    settings.preferred_max_column_in_block_size_bytes,
                    column_names,
                    ranges_to_get_from_part,
                    use_uncompressed_cache,
                    query_info.prewhere_info,
                    true,
                    reader_settings,
                    virt_columns,
                    part.part_index_in_query));
            }
            else
            {
                pipes.emplace_back(std::make_shared<MergeTreeReverseSelectProcessor>(
                    data,
                    metadata_snapshot,
                    part.data_part,
                    max_block_size,
                    settings.preferred_block_size_bytes,
                    settings.preferred_max_column_in_block_size_bytes,
                    column_names,
                    ranges_to_get_from_part,
                    use_uncompressed_cache,
                    query_info.prewhere_info,
                    true,
                    reader_settings,
                    virt_columns,
                    part.part_index_in_query));