SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function polygonAreaCartesian (children 1)
     ExpressionList (children 1)
      Function array (children 1)
       ExpressionList (children 1)
        Function array (children 1)
         ExpressionList (children 1)
          Function array (children 1)
           ExpressionList (children 4)
            Literal Tuple_(Float64_0, Float64_0)
            Literal Tuple_(Float64_0, Float64_5)
            Literal Tuple_(Float64_5, Float64_5)
            Literal Tuple_(Float64_5, Float64_0)
