Merge branch 'rightlib' into mergelibs-241120-1113

1 files changed, 21 insertions, 0 deletions

diff --git a/yql/essentials/tests/s-expressions/suites/Udf/StringJoinFromList.yql b/yql/essentials/tests/s-expressions/suites/Udf/StringJoinFromList.yql
new file mode 100644
index 0000000000..6085f8d620
--- /dev/null
+++ b/yql/essentials/tests/s-expressions/suites/Udf/StringJoinFromList.yql
@@ -0,0 +1,21 @@
+(
+#comment
+(let mr_source (DataSource 'yt 'plato))
+(let x (Read! world mr_source (Key '('table (String 'Input))) '('key 'subkey 'value) '()))
+(let world (Left! x))
+(let table1 (Right! x))
+(let udf (Udf 'String.JoinFromList))
+(let table1map (Map table1 (lambda '(item) (block '(
+   (let key (Member item 'key))
+   (let value (Apply udf (AsList (Member item 'key) (Member item 'subkey) (Member item 'value)) (String '"_")))
+   (let s (Struct))
+   (let s (AddMember s 'key key))
+   (let s (AddMember s 'subkey (String '.)))
+   (let s (AddMember s 'value value))
+   (return s)
+)))))
+(let mr_sink (DataSink 'yt (quote plato)))
+(let world (Write! world mr_sink (Key '('table (String 'Output))) table1map '('('mode 'append))))
+(let world (Commit! world mr_sink))
+(return world)
+)