rm clear to avoid reallocation

Signed-off-by: jayzhan211 <jayzhan211@gmail.com>
apache · Oct 2, 2024 · 80aae67 · 80aae67
1 parent 07e4f78
commit 80aae67
Showing 1 changed file with 0 additions and 2 deletions.
diff --git a/datafusion/physical-plan/src/aggregates/row_hash.rs b/datafusion/physical-plan/src/aggregates/row_hash.rs
@@ -800,7 +800,6 @@ impl GroupedHashAggregateStream {
         for (index, group_values) in group_by_values.iter().enumerate() {
             let n_rows = group_values[0].len();
             let batch_hashes = &mut self.hashes_buffer[index];
-            batch_hashes.clear();
             batch_hashes.resize(n_rows, 0);
             create_hashes(group_values, &self.random_state, batch_hashes)?;
 
@@ -824,7 +823,6 @@ impl GroupedHashAggregateStream {
         for (index, group_values) in group_by_values.iter().enumerate() {
             let n_rows = group_values[0].len();
             let batch_hashes = &mut self.hashes_buffer[index];
-            batch_hashes.clear();
             batch_hashes.resize(n_rows, 0);
             create_hashes(group_values, &self.random_state, batch_hashes)?;
         }