On Thu, Mar 23, 2017 at 5:20 AM, Etsuro Fujita <fujita.ets...@lab.ntt.co.jp>

> On 2017/03/21 18:40, Etsuro Fujita wrote:
>> Ok, I'll update the patch.  One thing I'd like to revise in addition to
>> that is (1) add to JoinPathExtraData a flag member to indicate whether
>> to give the FDW a chance to consider a remote join, which will be set to
>> true if the joinrel's fdwroutine is not NULL and the fdwroutine's
>> GetForeignJoinPaths is not NULL, and (2) if the flag is true, save info
>> to create an alternative local join path, such as hashclauses and
>> mergeclauses proposed in the patch, into JoinPathExtraData in
>> add_paths_to_joinrel.  This would avoid useless overhead in saving such
>> info into JoinPathExtraData when we don't give the FDW that chance.
> Done.  Attached is a new version of the patch.

Is the fix for 9.6.3 going to be just a back port of this, or will it look



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