Re: postgres_fdw: support parameterized foreign joins

On 05.04.2017 12:20, Etsuro Fujita wrote:
>
> Rebased.
>
> Attached is an updated version created on top of the latest patch
> "epqpath-for-foreignjoin" [1].
>
> Other changes:
> * Added a bit more regression tests with FOR UPDATE clause to see if
> CreateLocalJoinPath works well for parameterized foreign join paths.
> * Added/revised comments a bit.
>

Thank you!

> scan_clauses=NIL for a join relation. So, for a join relation we use
> fpinfo->remote_conds and fpinfo->local_conds, instead. (Note that those
> conditions are created at path creation time, ie,
> postgresGetForeignJoinPaths. See foreign_join_ok.)

Oh, I see. I've missed that condition.

Marked the patch as "Ready for Commiter". But the patch should be
commited only after the patch [1].

1.
https://www.postgresql.org/message-id/424933d7-d6bb-4b8f-4e44-1fea212af083%40lab.ntt.co.jp

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Arthur Zakirov
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Russian Postgres Company