Merge branch 'rightlib' into mergelibs-241120-1113

1 files changed, 24 insertions, 0 deletions

diff --git a/yql/essentials/tests/s-expressions/suites/SingleYamrOperation/CombineByKeyStream.yql b/yql/essentials/tests/s-expressions/suites/SingleYamrOperation/CombineByKeyStream.yql
new file mode 100644
index 0000000000..4957a8671d
--- /dev/null
+++ b/yql/essentials/tests/s-expressions/suites/SingleYamrOperation/CombineByKeyStream.yql
@@ -0,0 +1,24 @@
+(
+#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 preMap (lambda '(item) (Iterator (AsList item))))
+(let keyExtractor (lambda '(item) (Member item 'key)))
+(let init (lambda '(key item) (FromString (Member item 'subkey) 'Uint32)))
+(let update (lambda '(key item state) (+ state (FromString (Member item 'subkey) 'Uint32))))
+(let finish (lambda '(key state) (block '(
+  (let s (Struct))
+  (let s (AddMember s 'key key))
+  (let s (AddMember s 'subkey (String '.)))
+  (let s (AddMember s 'value (Coalesce (Map state (lambda '(x) (ToString x))) (String '""))))
+  (return (Iterator (AsList s)))
+))))
+(let table2 (CombineByKey table1 preMap keyExtractor init update finish))
+(let mr_sink (DataSink 'yt 'plato))
+(let result (Sort table2 (Bool 'true) (lambda '(x) (Member x 'key))))
+(let world (Write! world mr_sink (Key '('table (String 'Output))) result '('('mode 'append))))
+(let world (Commit! world mr_sink))
+(return world)
+)