Add test to verify count aggregate function should not be nullable (#…

…12100)
apache · Aug 21, 2024 · ad583a8 · ad583a8
1 parent eca71c4
commit ad583a8
Showing 1 changed file with 12 additions and 0 deletions.
diff --git a/datafusion/sqllogictest/test_files/aggregate.slt b/datafusion/sqllogictest/test_files/aggregate.slt
@@ -5387,6 +5387,18 @@ physical_plan
 statement ok
 DROP TABLE empty;
 
+# verify count aggregate function should not be nullable
+statement ok
+create table empty;
+
+query I
+select distinct count() from empty;
+----
+0
+
+statement ok
+DROP TABLE empty;
+
 statement ok
 CREATE TABLE t(col0 INTEGER) as VALUES(2);