kaka11chen opened a new pull request, #27777: URL: https://github.com/apache/doris/pull/27777
## Proposed changes Fix null map issue in parquet reader. In order to share null map between parquet converted src column and dst column to avoid copying. It is very tricky that will call mutable function `doris_nullable_column->get_null_map_column_ptr()` which will set `_need_update_has_null = true`. Because some operations such as agg will call `has_null()` to set `_need_update_has_null = false`. ## Further comments If this is a relatively large or complex change, kick off the discussion at [d...@doris.apache.org](mailto:d...@doris.apache.org) by explaining why you chose the solution you did and what alternatives you considered, etc... -- 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
