Re: [HACKERS] postgres_fdw bug in 9.6

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.

Best regards,
Etsuro Fujita

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