On Thu, Jun 16, 2016 at 10:44 PM, Etsuro Fujita
<fujita.etsuro@lab.ntt.co.jp> wrote:
> On 2016/06/16 22:00, Robert Haas wrote:
>> On Thu, Jun 16, 2016 at 7:05 AM, Etsuro Fujita
>> <fujita.etsuro@lab.ntt.co.jp> wrote:
>>>
>>> ISTM that a robuster solution to this is to push down the ft1-ft2-ft3
>>> join
>>> with the PHV by extending deparseExplicitTargetList() and/or something
>>> else
>>> so that we can send the remote query like:
>>>
>>> select ft1.a, (ft3.a IS NOT NULL) from (ft1 inner join ft2 on ft1.a =
>>> ft2.a)
>>> left join ft3 on ft1.a = ft3.a
>
>> I completely agree we should have that, but not for 9.6.
>
> OK, I'll work on that for 10.0.
Great, that will be a nice improvement.
--
Robert Haas
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