Re: [v9.5] Custom Plan API

* Kouhei Kaigai (kaigai@ak.jp.nec.com) wrote:
> I initially intended to allow extensions to add their custom-path based
> on their arbitrary decision, because the core backend cannot have
> expectation towards the behavior of custom-plan.
> However, of course, the custom-path that replaces built-in paths shall
> have compatible behavior in spite of different implementation.

I didn't ask this before but it's been on my mind for a while- how will
this work for custom data types, ala the 'geometry' type from PostGIS?
There's user-provided code that we have to execute to check equality for
those, but they're not giving us CUDA code to run to perform that
equality...
Thanks,
    Stephen