Re: ExecRTCheckPerms() and many prunable partitions

Amit Langote <amitlangote09@gmail.com>

From: Amit Langote <amitlangote09@gmail.com>
To: Alvaro Herrera <alvherre@alvh.no-ip.org>
Cc: Ian Lawrence Barwick <barwick@gmail.com>, Tom Lane <tgl@sss.pgh.pa.us>, David Rowley <dgrowleyml@gmail.com>, Greg Stark <stark@mit.edu>, Julien Rouhaud <rjuju123@gmail.com>, PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>
Date: 2022-12-07T07:01:18Z
Lists: pgsql-hackers
On Wed, Dec 7, 2022 at 12:19 AM Alvaro Herrera <alvherre@alvh.no-ip.org> wrote:
> I have pushed this finally.

Thanks a lot.

> I made two further changes:
>
> 1. there was no reason to rename ExecCheckPerms_hook, since its
>    signature was changing anyway.  I reverted it to the original name.

Sure, that makes sense.

> 2. I couldn't find any reason to expose ExecGetRTEPermissionInfo, and
>    given that it's a one-line function, I removed it.
>
> Maybe you had a reason to add ExecGetRTEPermissionInfo, thinking about
> external callers; if so please discuss it.

My thinking was that it might be better to have a macro/function that
takes EState, not es_rteperminfos, from the callers.  Kind of like how
there is exec_rt_fetch().  Though, that is only a cosmetic
consideration, so I don't want to insist.

> I'll mark this commitfest entry as committed soon; please post the other
> two patches you had in this series in a new thread.

Will do, thanks.

-- 
Thanks, Amit Langote
EDB: http://www.enterprisedb.com



Commits

  1. Add a test case for a316a3bc

  2. Correctly set userid of subquery relations' child rels

  3. Fix buggy recursion in flatten_rtes_walker().

  4. Remove some dead code in selfuncs.c

  5. Update outdated comment in ApplyRetrieveRule

  6. Rework query relation permission checking

  7. Generalize ri_RootToPartitionMap to use for non-partition children

  8. Stop accessing checkAsUser via RTE in some cases

  9. Add 'missing_ok' argument to build_attrmap_by_name