Horton

Re: ExecRTCheckPerms() and many prunable partitions (checkAsUser)

Alvaro Herrera <alvherre@alvh.no-ip.org>

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From: Alvaro Herrera <alvherre@alvh.no-ip.org>
To: Amit Langote <amitlangote09@gmail.com>
Cc: Justin Pryzby <pryzby@telsasoft.com>, 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>, pgsql-hackers@lists.postgresql.org
Date: 2023-02-17T12:05:58Z
Lists: pgsql-hackers 
On 2023-Feb-17, Alvaro Herrera wrote:

> I tried a few things for a new test case, but I was unable to find
> anything useful.  Maybe an intermediate view, I thought; no dice.
> Maybe one with a security barrier would do?  Anyway, for now I just kept
> what you added in v2.

Sorry, I failed to keep count of the patch version correctly.  The test
case here is what you sent in v3 [1], and consequently the patch I just
attached should have been labelled v4.

[1] https://postgr.es/m/CA+HiwqF6ricH7HFCkyrK72c=KN-PRkdncxdLmU_mEQx=DRAkJA@mail.gmail.com

-- 
Álvaro Herrera               48°01'N 7°57'E  —  https://www.EnterpriseDB.com/
"La vida es para el que se aventura"

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 Update outdated comment in ApplyRetrieveRule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