CreateFunctionQuery 02148_test_function (children 2)
 Identifier 02148_test_function
 Function lambda (children 1)
  ExpressionList (children 2)
   Function tuple (children 1)
    ExpressionList
   Subquery (children 1)
    SelectWithUnionQuery (children 1)
     ExpressionList (children 1)
      SelectQuery (children 1)
       ExpressionList (children 1)
        Literal UInt64_1
