On Sat, Apr 7, 2012 at 4:19 AM, Tom Lane <t...@sss.pgh.pa.us> wrote: > Shigeru HANADA <shigeru.han...@gmail.com> writes: >> Just after my post, Fujita-san posted another v7 patch[1], so I merged >> v7 patches into v8 patch. > > I've committed a modified version of this, but right after pushing it > I had a better idea about what the AnalyzeForeignTable API should do. > An issue that I'd not previously figured out is how analysis of an > inheritance tree could deal with foreign-table members, because it wants > to estimate the members' sizes before collecting the actual sample rows. > However, given that we've got the work split into a precheck phase and > a sample collection phase, that's not hard to solve: we could insist > that the FDW give back a size estimate in the precheck phase not the > sample collection phase. I'm off to fix that up ...
Thanks. I'll improve pgsql_fdw so that it can collect statistics of foreign data with this new API. Regards, -- Shigeru Hanada -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
