- From: Pat Hayes <phayes@ihmc.us>
- Date: Wed, 18 Jan 2006 16:37:23 -0600
- To: Kendall Clark <kendall@monkeyfist.com>
- Cc: dawg mailing list <public-rdf-dawg@w3.org>
>Folks, > >Mark Baker suggests [1] that we should add a SHOULD requirement that >queryHttpPost binding should be used "where the cost of processing >the query may be prohibitive". I don't really agree with this, since >there's no way to no statically which are the expensive and which >are the cheap queries. Even very sophisticated query analysis can't >tell you which RDF datasets are expensive to assemble. > >And, further, I don't know of any way to programmatically redirect >expensive GETs to POSTs (you can send a Location: header to the POST >endpoint, if it's different from the GET endpoint, but I don't think >that *really* suffices; alternately, we could define a WSDL fault, >UsePost, but that seems an awful kludge), and I don't really see the >*point* of doing so either, since if the query is too expensive, >it's too expensive, whether it comes in via GET or POST. > >Mark retorts [2] that the "safety" of GET includes expensive >operations, citing some message from Roy Fielding, but I think the >message undercuts Mark's use of it, since it's very clearly about >implementations of services, not about the semantics of their >interfaces. > >Pat +1'd the proposal, but that was before further discussion, Right >so I'm not certain where he would be now. I withdraw the +1. I apparently misunderstood what the proposal entailed. Pat >I'm opposed to the inclusion that Baker suggests, for the reasons >I've stated, but I will leave it to the WG to decide. > >Cheers, >Kendall Clark > >[1] >http://lists.w3.org/Archives/Public/public-rdf-dawg-comments/2006Jan/0094.html >[2] >http://lists.w3.org/Archives/Public/public-rdf-dawg-comments/2006Jan/0111.html -- --------------------------------------------------------------------- IHMC (850)434 8903 or (650)494 3973 home 40 South Alcaniz St. (850)202 4416 office Pensacola (850)202 4440 fax FL 32502 (850)291 0667 cell phayesAT-SIGNihmc.us http://www.ihmc.us/users/phayes
Received on Wednesday, 18 January 2006 22:37:29 UTC