On Thu, Dec 3, 2015 at 9:51 PM, Noah Misch <noah@leadboat.com> wrote:
> On Tue, Dec 01, 2015 at 11:05:47AM -0500, Robert Haas wrote:
>> On Mon, Nov 30, 2015 at 2:43 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
>> > * Foreign join pushdown vs EvalPlanQual
>> >
>> > Is this fixed by 5fc4c26db? If not, what remains to do?
>>
>> Unfortunately, no. That commit allows FDWs to do proper EPQ handling
>> for plain table scans, but it proves to be inadequate for EPQ handling
>> for joins. Solving that problem will require another patch, and,
>> modulo a bunch of cosmetic issues, I'm reasonably happy with KaiGai
>> Kohei's latest submission. I'll respond in more detail on that
>> thread, but the question I want to raise here is: do we want to
>> back-patch those changes to 9.5 at this late date?
>
> Yes. If 9.5 added a bad interface, better to fix the interface even now than
> to live with the bad one.
OK, I've pushed the latest patch for that issue to master and 9.5.
I'm not completely positive we've killed this problem dead, but I hope
so.
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
