From: Laurenz Albe <laurenz.a...@cybertec.at> > On Fri, 2020-07-17 at 05:21 +0000, tsunakawa.ta...@fujitsu.com wrote: > > And most importantly, do other major DBMSs, including Oracle, provide the > API for > > preparing a transaction? In other words, will the FDWs other than > postgres_fdw > > really be able to take advantage of the new FDW functions to join the 2PC > processing? > > I think we need to confirm that there are concrete examples. > > I bet they do. There is even a standard for that.
If you're thinking of xa_prepare() defined in the X/Open XA specification, we need to be sure that other FDWs can really utilize this new 2PC mechanism. What I'm especially wondering is when the FDW can call xa_start(). Regards Takayuki Tsunakawa