Use return type

Dandandan · Mar 12, 2024 · 1067a28 · 1067a28
1 parent 9c1559d
commit 1067a28
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/datafusion/physical-expr/src/aggregate/approx_percentile_cont.rs b/datafusion/physical-expr/src/aggregate/approx_percentile_cont.rs
@@ -391,7 +391,7 @@ impl Accumulator for ApproxPercentileAccumulator {
 
     fn evaluate(&mut self) -> Result<ScalarValue> {
         if self.digest.count() == 0.0 {
-            return Ok(ScalarValue::Null);
+            return ScalarValue::try_from(self.return_type.clone());
         }
         let q = self.digest.estimate_quantile(self.percentile);