SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function flipCoordinates (children 1)
     ExpressionList (children 1)
      Function CAST (children 1)
       ExpressionList (children 2)
        Function array (children 1)
         ExpressionList (children 3)
          Literal Tuple_(UInt64_10, UInt64_20)
          Literal Tuple_(UInt64_30, UInt64_40)
          Literal Tuple_(UInt64_50, UInt64_60)
        Literal \'LineString\'
