Re: [v9.5] Custom Plan API - Mailing list pgsql-hackers

From Stephen Frost
Subject Re: [v9.5] Custom Plan API
Date
Msg-id 20140507163317.GX2556@tamriel.snowman.net
Whole thread Raw
In response to Re: [v9.5] Custom Plan API  (Simon Riggs <simon@2ndQuadrant.com>)
List pgsql-hackers
* Simon Riggs (simon@2ndQuadrant.com) wrote:
> Agreed. My proposal is that if the planner allows the lookaside to an
> FDW then we pass the query for full execution on the FDW. That means
> that the scan, aggregate and join could take place via the FDW. i.e.
> "Custom Plan" == lookaside + FDW

How about we get that working for FDWs to begin with and then we can
come back to this idea..?  We're pretty far from join-pushdown or
aggregate-pushdown to FDWs, last I checked, and having those would be a
massive win for everyone using FDWs.
Thanks,        Stephen

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