Re: Push down more UPDATEs/DELETEs in postgres_fdw

On 2016/11/16 13:10, Ashutosh Bapat wrote:
> On Wed, Nov 16, 2016 at 8:25 AM, Etsuro Fujita
> <fujita.etsuro@lab.ntt.co.jp> wrote:
>> On 2016/11/15 19:04, Rushabh Lathia wrote:
>>> Your latest patch doesn't not get apply cleanly apply on master branch.

>> Did you apply the patch set in [1] (postgres-fdw-subquery-support-v4.patch
>> and postgres-fdw-phv-pushdown-v4.patch in this order) before applying the
>> latest patch?

> I don't see any reason why DML/UPDATE pushdown should depend upon
> subquery deparsing or least PHV patch. Combined together they can help
> in more cases, but without those patches, we will be able to push-down
> more stuff. Probably, we should just restrict push-down only for the
> cases when above patches are not needed. That makes reviews easy. Once
> those patches get committed, we may add more functionality depending
> upon the status of this patch. Does that make sense?

OK, I'll extract from the patch the minimal part that wouldn't depend on 
the two patches.

Best regards,
Etsuro Fujita