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 materialize (alias y) (children 1)
     ExpressionList (children 1)
      Literal Float64_0.4242
    Function round (children 1)
     ExpressionList (children 2)
      Function hypot (children 1)
       ExpressionList (children 2)
        Identifier x
        Identifier y
      Literal UInt64_6
