- From: Julian Reschke <julian.reschke@gmx.de>
- Date: Tue, 28 Feb 2012 17:49:38 +0100
- To: Martin Thomson <martin.thomson@gmail.com>
- CC: Mike Kelly <mikekelly321@gmail.com>, HTTP Working Group <ietf-http-wg@w3.org>
On 2012-02-28 17:30, Martin Thomson wrote: > On 28 February 2012 00:37, Julian Reschke<julian.reschke@gmx.de> wrote: >> How exactly is it "not visible"? >> >> "A PATCH request can be issued in such a way as to be idempotent, [...] > > "Can be" not "is". You can issue a non-idempotent PATCH. Though you > are advised not to, it is possible. Therefore, an intermediary cannot > assume that the request is safe to retry. It can, if it comes with If-Match. Or am I missing something? > A PUT is by definition idempotent. A PATCH, like POST, is only > idempotent under (secret, non-obvious) conditions. That is true, but I'm not sure that is a problem when the conditions are well understood and documented. Best regards, Julian
Received on Tuesday, 28 February 2012 16:50:18 UTC