Dandandan commented on code in PR #19278:
URL: https://github.com/apache/datafusion/pull/19278#discussion_r2612173713
##########
datafusion/functions-aggregate/src/median.rs:
##########
@@ -289,14 +289,32 @@ impl<T: ArrowNumericType> Accumulator for
MedianAccumulator<T> {
}
fn evaluate(&mut self) -> Result<ScalarValue> {
- let d = std::mem::take(&mut self.all_values);
+ let d = self.all_values.clone();
Review Comment:
Can't you change the interface of calculate_median to take a mutable
reference instead?
```
fn calculate_median<T: ArrowNumericType>(
values: &mut [T::Native],
)
```
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