Merge branch 'rightlib' into mergelibs-241120-1113

1 files changed, 13 insertions, 0 deletions

diff --git a/yql/essentials/tests/s-expressions/suites/Optimizers/ExtendWithFill.sql b/yql/essentials/tests/s-expressions/suites/Optimizers/ExtendWithFill.sql
new file mode 100644
index 0000000000..371846c584
--- /dev/null
+++ b/yql/essentials/tests/s-expressions/suites/Optimizers/ExtendWithFill.sql
@@ -0,0 +1,13 @@
+USE plato;
+
+-- Should not generate single MrFill for all content
+INSERT INTO Output
+SELECT * from(
+    select key, sum(cast(subkey as Uint32)) as value
+    from Input group by key
+
+    union all
+
+    select "" as key, sum(cast(subkey as Uint32)) as value
+    from Input-- group by key
+);