On 2016/06/16 22:00, Robert Haas wrote:
On Thu, Jun 16, 2016 at 7:05 AM, Etsuro Fujita
<fujita.ets...@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.

Best regards,
Etsuro Fujita

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