CreateFunctionQuery 02148_test_function_nested (children 2)
 Identifier 02148_test_function_nested
 Function lambda (children 1)
  ExpressionList (children 2)
   Function tuple (children 1)
    ExpressionList (children 1)
     Identifier x
   Function 02148_test_function (children 1)
    ExpressionList (children 1)
     Function plus (children 1)
      ExpressionList (children 2)
       Identifier x
       Literal UInt64_2
