Merge branch 'rightlib' into mergelibs-241120-1113

1 files changed, 19 insertions, 0 deletions

diff --git a/yql/essentials/tests/postgresql/original/cases/select_distinct_on.sql b/yql/essentials/tests/postgresql/original/cases/select_distinct_on.sql
new file mode 100644
index 0000000000..d18733d274
--- /dev/null
+++ b/yql/essentials/tests/postgresql/original/cases/select_distinct_on.sql
@@ -0,0 +1,19 @@
+--
+-- SELECT_DISTINCT_ON
+--
+
+SELECT DISTINCT ON (string4) string4, two, ten
+   FROM tmp
+   ORDER BY string4 using <, two using >, ten using <;
+
+-- this will fail due to conflict of ordering requirements
+SELECT DISTINCT ON (string4, ten) string4, two, ten
+   FROM tmp
+   ORDER BY string4 using <, two using <, ten using <;
+
+SELECT DISTINCT ON (string4, ten) string4, ten, two
+   FROM tmp
+   ORDER BY string4 using <, ten using >, two using <;
+
+-- bug #5049: early 8.4.x chokes on volatile DISTINCT ON clauses
+select distinct on (1) floor(random()) as r, f1 from int4_tbl order by 1,2;