Merge branch 'rightlib' into mergelibs-241120-1113

1 files changed, 19 insertions, 0 deletions

diff --git a/yql/essentials/tests/sql/suites/aggregate/compare_by_nulls.sql b/yql/essentials/tests/sql/suites/aggregate/compare_by_nulls.sql
new file mode 100644
index 0000000000..7f48154923
--- /dev/null
+++ b/yql/essentials/tests/sql/suites/aggregate/compare_by_nulls.sql
@@ -0,0 +1,19 @@
+/* syntax version 1 */
+/* postgres can not */
+use plato;
+
+$src = select null as key, value from Input;
+$src_opt = select null as key, Just(value) as value from Input;
+$src_null = select null as key, null as value from Input;
+
+
+select min_by(value, key) from $src;
+select max_by(value, key) from $src_opt;
+select min_by(value, key) from $src_null;
+
+select max_by(value, key) from (select * from $src limit 0);
+select min_by(value, key) from (select * from $src_opt limit 0);
+select max_by(value, key) from (select * from $src_null limit 0);
+
+
+select min_by(value, key) from (select Nothing(String?) as key, value from Input);