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

From Stephen Frost
Subject Re: [v9.5] Custom Plan API
Date
Msg-id 20140509021846.GG2556@tamriel.snowman.net
Whole thread Raw
In response to Re: [v9.5] Custom Plan API  (Kouhei Kaigai <kaigai@ak.jp.nec.com>)
Responses Re: [v9.5] Custom Plan API  (Kouhei Kaigai <kaigai@ak.jp.nec.com>)
List pgsql-hackers
* 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

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