SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Function CAST (alias poly) (children 1)
     ExpressionList (children 2)
      Function array (children 1)
       ExpressionList (children 1)
        Function array (children 1)
         ExpressionList (children 5)
          Literal Tuple_(UInt64_0, UInt64_0)
          Literal Tuple_(UInt64_10, UInt64_0)
          Literal Tuple_(UInt64_10, UInt64_10)
          Literal Tuple_(UInt64_0, UInt64_10)
          Literal Tuple_(UInt64_0, UInt64_0)
      Literal \'Polygon\'
   ExpressionList (children 1)
    Function flipCoordinates (children 1)
     ExpressionList (children 1)
      Identifier poly
