alamb commented on code in PR #11627: URL: https://github.com/apache/datafusion/pull/11627#discussion_r1699904215
########## datafusion/functions-aggregate/src/count.rs: ########## @@ -433,6 +433,49 @@ impl GroupsAccumulator for CountGroupsAccumulator { Ok(vec![Arc::new(counts) as ArrayRef]) } + fn convert_to_state( + &self, + values: &[ArrayRef], + opt_filter: Option<&BooleanArray>, + ) -> Result<Vec<ArrayRef>> { + let values = &values[0]; + + let state_array = match (values.logical_nulls(), opt_filter) { + (Some(nulls), None) => { + let mut builder = Int64Builder::with_capacity(values.len()); + nulls + .into_iter() + .for_each(|is_valid| builder.append_value(is_valid as i64)); + builder.finish() + } + (Some(nulls), Some(filter)) => { + let mut builder = Int64Builder::with_capacity(values.len()); + nulls.into_iter().zip(filter.iter()).for_each( + |(is_valid, filter_value)| { + builder.append_value( Review Comment: Sounds good. We will wait for you to let us know. -- 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: github-unsubscr...@datafusion.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: github-unsubscr...@datafusion.apache.org For additional commands, e-mail: github-h...@datafusion.apache.org