alamb commented on code in PR #2375:
URL: https://github.com/apache/arrow-datafusion/pull/2375#discussion_r867487069
##########
datafusion/physical-expr/src/aggregate/sum.rs:
##########
@@ -338,6 +455,42 @@ impl Accumulator for SumAccumulator {
}
}
+#[derive(Debug)]
+struct SumAccumulatorV2 {
+ index: usize,
+ datatype: DataType,
+}
+
+impl SumAccumulatorV2 {
+ pub fn new(index: usize, datatype: DataType) -> Self {
+ Self { index, datatype }
+ }
+}
+
+impl AccumulatorV2 for SumAccumulatorV2 {
+ fn update_batch(
+ &mut self,
+ values: &[ArrayRef],
+ accessor: &mut RowAccessor,
+ ) -> Result<()> {
+ let values = &values[0];
+ add_to_row(&self.datatype, self.index, accessor, &sum_batch(values)?)?;
Review Comment:
Also, possibly related https://github.com/apache/arrow-datafusion/issues/2447
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