On Wed, Apr 5, 2017 at 1:49 AM, Robert Haas <robertmh...@gmail.com> wrote: > On Tue, Apr 4, 2017 at 4:57 AM, Amit Langote > <langote_amit...@lab.ntt.co.jp> wrote: >> Hmm, you're right. It could be counted with a separate variable >> initialized to 0 and incremented every time we decide to add a row to the >> final set of sampled rows, although different implementations of >> AcquireSampleRowsFunc have different ways of deciding if a given row will >> be part of the final set of sampled rows. >> >> On the other hand, if we decide to count progress in terms of blocks as >> you suggested afraid, I'm afraid that FDWs won't be able to report the >> progress. > > I think it may be time to push this patch out to v11. It was > submitted one day before the start of the last CommitFest, the design > wasn't really right, and it's not clear even now that we know what the > right design is. And we're pretty much out of time. >
+1 We're encountering the design issue and it takes more time to find out right design including FDWs support. Regards, -- Masahiko Sawada NIPPON TELEGRAPH AND TELEPHONE CORPORATION NTT Open Source Software Center -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers