ydb/yql/essentials/tests/s-expressions/suites/Builtins/CompareWithEmptyOptionals.yql

(
#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 (Map table1 (lambda '(item) (block '(
   (let value (Member item 'value))
   (let x (Uint32 '700))
   (let y (Uint32 '20))
   (let z (Uint32 '0))
   (let jx (FromString (Member item 'key) 'Uint32))
   (let jy (FromString (Member item 'subkey) 'Uint32))
   (let n (Nothing (OptionalType (DataType 'Uint32))))
   (let test (lambda '(item) (If (Exists item) (ToString (Coalesce item (Bool 'false))) (String 'NULL))))
   (let newValue value)
   (let newValue (Concat newValue (String '" => ")))
   (let newValue (Concat newValue (String '" < ")))
   (let newValue (Concat newValue (Concat (String '" ") (ToString (< x y)))))
   (let newValue (Concat newValue (Concat (String '" ") (Apply test (< jx y)))))
   (let newValue (Concat newValue (Concat (String '" ") (Apply test (< x jy)))))
   (let newValue (Concat newValue (Concat (String '" ") (Apply test (< jx jy)))))
   (let newValue (Concat newValue (Concat (String '" ") (Apply test (< jx n)))))
   (let newValue (Concat newValue (Concat (String '" ") (Apply test (< n jy)))))
   (let newValue (Concat newValue (Concat (String '" ") (Apply test (< x n)))))
   (let newValue (Concat newValue (Concat (String '" ") (Apply test (< n y)))))
   (let newValue (Concat newValue (Concat (String '" ") (Apply test (< n n)))))
   (let newValue (Concat newValue (String '" > ")))
   (let newValue (Concat newValue (Concat (String '" ") (ToString (> x y)))))
   (let newValue (Concat newValue (Concat (String '" ") (Apply test (> jx y)))))
   (let newValue (Concat newValue (Concat (String '" ") (Apply test (> x jy)))))
   (let newValue (Concat newValue (Concat (String '" ") (Apply test (> jx jy)))))
   (let newValue (Concat newValue (Concat (String '" ") (Apply test (> jx n)))))
   (let newValue (Concat newValue (Concat (String '" ") (Apply test (> n jy)))))
   (let newValue (Concat newValue (Concat (String '" ") (Apply test (> x n)))))
   (let newValue (Concat newValue (Concat (String '" ") (Apply test (> n y)))))
   (let newValue (Concat newValue (Concat (String '" ") (Apply test (> n n)))))
   (let newValue (Concat newValue (String '" == ")))
   (let newValue (Concat newValue (Concat (String '" ") (ToString (== x y)))))
   (let newValue (Concat newValue (Concat (String '" ") (Apply test (== jx y)))))
   (let newValue (Concat newValue (Concat (String '" ") (Apply test (== x jy)))))
   (let newValue (Concat newValue (Concat (String '" ") (Apply test (== jx jy)))))
   (let newValue (Concat newValue (Concat (String '" ") (Apply test (== jx n)))))
   (let newValue (Concat newValue (Concat (String '" ") (Apply test (== n jy)))))
   (let newValue (Concat newValue (Concat (String '" ") (Apply test (== x n)))))
   (let newValue (Concat newValue (Concat (String '" ") (Apply test (== n y)))))
   (let newValue (Concat newValue (Concat (String '" ") (Apply test (== n n)))))
   (let newValue (Concat newValue (String '" != ")))
   (let newValue (Concat newValue (Concat (String '" ") (ToString (!= x y)))))
   (let newValue (Concat newValue (Concat (String '" ") (Apply test (!= jx y)))))
   (let newValue (Concat newValue (Concat (String '" ") (Apply test (!= x jy)))))
   (let newValue (Concat newValue (Concat (String '" ") (Apply test (!= jx jy)))))
   (let newValue (Concat newValue (Concat (String '" ") (Apply test (!= jx n)))))
   (let newValue (Concat newValue (Concat (String '" ") (Apply test (!= n jy)))))
   (let newValue (Concat newValue (Concat (String '" ") (Apply test (!= x n)))))
   (let newValue (Concat newValue (Concat (String '" ") (Apply test (!= n y)))))
   (let newValue (Concat newValue (Concat (String '" ") (Apply test (!= n n)))))

   (let s (Struct))
   (let s (AddMember s 'key (Member item 'key)))
   (let s (AddMember s 'subkey (Member item 'subkey)))
   (let s (AddMember s 'value newValue))
   (return s)
)))))
(let mr_sink (DataSink 'yt (quote plato)))
(let world (Write! world mr_sink (Key '('table (String 'Output))) table1map '()))
(let world (Commit! world mr_sink))
(return world)
)