update query

Signed-off-by: jayzhan211 <jayzhan211@gmail.com>

Author: jayzhan211

benchmarks/queries/clickbench/queries.sql

@@ -1,2 +1,3 @@
-SELECT "UserID", concat("SearchPhrase", 'helloworld21') as s, COUNT(*) FROM hits GROUP BY "UserID", s LIMIT 10;
+SELECT "UserID", "SearchPhrase", COUNT(*) FROM hits GROUP BY "UserID", "SearchPhrase" ORDER BY COUNT(*) DESC LIMIT 10;
 SELECT "UserID", "SearchPhrase", COUNT(*) FROM hits GROUP BY "UserID", "SearchPhrase" LIMIT 10;
+SELECT "UserID", concat("SearchPhrase", repeat('hello', 100)) as s, COUNT(*) FROM hits GROUP BY "UserID", s LIMIT 10;

datafusion/physical-plan/src/aggregates/group_values/row.rs

@@ -149,7 +149,7 @@ impl GroupValues for GroupValuesRows {
 
         let mut group_values = match self.group_values.take() {
             Some(group_values) => group_values,
-            None => self.row_converter.empty_rows(n_rows, 0),
+            None => self.row_converter.empty_rows(0, 0),
         };
 
         // tracks to which group each of the input rows belongs