On Thu, Feb 28, 2008 at 4:11 AM, Peter Bex <[EMAIL PROTECTED]> wrote: > On Wed, Feb 27, 2008 at 02:27:36PM -0800, Vincent Manis wrote: > > On 2008 Feb 27, at 13:27, Graham Fawcett wrote: > > > At the driver level, LOBs are often handled with a stream-based > > > interface. For an LOB, I'd suggest representing it with a a thunk > > > which, when evaluated, returns an input stream, Chicken blob or a > > > string. That would allow you to inspect the other column values before > > > deciding whether to evaluate the LOB. > > +1. -- vincent > I assume with "input stream" you mean "input port"? (With "stream", I > think of SRFI-40/41) > > In that case, +1.
Yes, input port was what I was thinking. Thanks. The input port would return the body of the LOB and return #!eof when it's consumed. The "Chicken blob or string" options are redundant, so the revised proposal is to represent a LOB with a thunk that evaluates to an input port. Graham _______________________________________________ Chicken-users mailing list Chicken-users@nongnu.org http://lists.nongnu.org/mailman/listinfo/chicken-users
