Re: Views no longer in rangeTabls?

Tom Lane <tgl@sss.pgh.pa.us>

From: Tom Lane <tgl@sss.pgh.pa.us>
To: David Steele <david@pgmasters.net>
Cc: Amit Langote <amitlangote09@gmail.com>, Pg Hackers <pgsql-hackers@postgresql.org>
Date: 2023-06-09T16:14:46Z
Lists: pgsql-hackers
David Steele <david@pgmasters.net> writes:
> Thank you, this was very helpful. I am able to get the expected result 
> now with:

> /* We only care about tables/views and can ignore subqueries, etc. */
> if (!(rte->rtekind == RTE_RELATION ||
>       (rte->rtekind == RTE_SUBQUERY && OidIsValid(rte->relid))))
>      continue;

Right, that matches places like add_rtes_to_flat_rtable().

> One thing, though, rte->relkind is not set for views, so I still need to 
> call get_rel_relkind(rte->relid). Not a big deal, but do you think it 
> would make sense to set rte->relkind for views?

If you see "rte->rtekind == RTE_SUBQUERY && OidIsValid(rte->relid)",
it's dead certain that relid refers to a view, so you could just wire
in that knowledge.

			regards, tom lane



Commits

  1. Retain relkind too in RTE_SUBQUERY entries for views.