Re: [v9.5] Custom Plan API

On 8 May 2014 15:25, Stephen Frost <sfrost@snowman.net> wrote:
> * Simon Riggs (simon@2ndQuadrant.com) wrote:
>> On 8 May 2014 14:40, Stephen Frost <sfrost@snowman.net> wrote:
>> > Allow me to re-state your suggestion here:
>> >
>> > An FDW is loaded which provides hook for join push-down (whatever those
>> > end up being).
>> >
>> > A query is run which joins *local* table A to *local* table B.  Standard
>> > heaps, standard indexes, all local to this PG instance.
>> >
>> > The FDW which supports join push-down is then passed this join for
>> > planning, with local sub-plans for the local tables.
>>
>> Yes that is correct; thank you for confirming your understanding with me.
>
> I guess for my part, that doesn't look like an FDW any more.

If it works, it works. If it doesn't, we can act otherwise.

-- Simon Riggs                   http://www.2ndQuadrant.com/PostgreSQL Development, 24x7 Support, Training & Services