SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function wkt (children 1)
     ExpressionList (children 1)
      Function array (children 1)
       ExpressionList (children 4)
        Literal Tuple_(Float64_0, Float64_0)
        Literal Tuple_(Float64_10, Float64_0)
        Literal Tuple_(Float64_10, Float64_10)
        Literal Tuple_(Float64_0, Float64_10)