Merge branch 'rightlib' into mergelibs-241120-1113

1 files changed, 16 insertions, 0 deletions

diff --git a/yql/essentials/tests/sql/suites/produce/reduce_all_expr.sql b/yql/essentials/tests/sql/suites/produce/reduce_all_expr.sql
new file mode 100644
index 0000000000..d4e194802f
--- /dev/null
+++ b/yql/essentials/tests/sql/suites/produce/reduce_all_expr.sql
@@ -0,0 +1,16 @@
+/* postgres can not */
+/* syntax version 1 */
+/* dqfile can not */
+USE plato;
+
+$udfScript = @@
+import functools
+def Len(stream):
+    sums = [functools.reduce(lambda x,y: x + y, pair[1], 0) for pair in stream]
+    return {"sumByAllVal":functools.reduce(lambda x,y: x + y, sums, 0)}
+@@;
+
+$udf = Python::Len(Callable<(Stream<Tuple<String,Stream<Uint32>>>)->Struct<sumByAllVal:Uint32>>, $udfScript);
+
+--INSERT INTO Output
+REDUCE Input1 ON key USING ALL $udf(cast(value as uint32) ?? 0);