SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 3)
    Function materialize (alias x) (children 1)
     ExpressionList (children 1)
      Function toDecimal32 (children 1)
       ExpressionList (children 2)
        Literal \'0.4242\'
        Literal UInt64_4
    Function toDecimal32 (alias y) (children 1)
     ExpressionList (children 2)
      Literal \'0.4242\'
      Literal UInt64_4
    Function round (children 1)
     ExpressionList (children 2)
      Function hypot (children 1)
       ExpressionList (children 2)
        Identifier x
        Identifier y
      Literal UInt64_6
