Merge branch 'rightlib' into mergelibs-241120-1113

1 files changed, 24 insertions, 0 deletions

diff --git a/yql/essentials/tests/s-expressions/suites/Builtins/Exists.yql b/yql/essentials/tests/s-expressions/suites/Builtins/Exists.yql
new file mode 100644
index 0000000000..a45adbeeeb
--- /dev/null
+++ b/yql/essentials/tests/s-expressions/suites/Builtins/Exists.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 table1map (FlatMap table1 (lambda '(item) (block '(
+   (let value (Member item 'value))
+   (let newValue (AsList (Exists (FromString (String 'zzz) 'Int32))))
+   (let newValue (Append newValue (Exists (FromString (String '3456) 'Int32))))
+   (let newValue (Append newValue (Exists (String 'zzz))))
+   (let ret (Map newValue (lambda '(item) (block '(
+      (let s (Struct))
+      (let s (AddMember s 'key (String '.)))
+      (let s (AddMember s 'subkey (String  '.)))
+      (let s (AddMember s 'value (ToString item)))
+      (return s))))))
+   (return ret)
+)))))
+(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)
+)