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