add ticket referece

alamb · Jul 6, 2023 · 1d3185c · 1d3185c
1 parent b137df6
commit 1d3185c
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/datafusion/core/src/physical_plan/aggregates/row_hash2.rs b/datafusion/core/src/physical_plan/aggregates/row_hash2.rs
@@ -377,6 +377,7 @@ impl GroupedHashAggregateStream2 {
         allocated: &mut usize,
     ) -> Result<()> {
         // Convert the group keys into the row format
+        // Avoid reallocation when https://github.com/apache/arrow-rs/issues/4479 is available
         let group_rows = self.row_converter.convert_columns(group_values)?;
         let n_rows = group_rows.num_rows();