Re: ExecRTCheckPerms() and many prunable partitions

Andres Freund <andres@anarazel.de>

From: Andres Freund <andres@anarazel.de>
To: Amit Langote <amitlangote09@gmail.com>, Justin Pryzby <pryzbyj@telsasoft.com>
Cc: Tom Lane <tgl@sss.pgh.pa.us>, David Rowley <dgrowleyml@gmail.com>, Greg Stark <stark@mit.edu>, Zhihong Yu <zyu@yugabyte.com>, Julien Rouhaud <rjuju123@gmail.com>, Alvaro Herrera <alvherre@alvh.no-ip.org>, PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>
Date: 2022-10-02T17:10:36Z
Lists: pgsql-hackers
Hi,

On 2022-09-07 18:23:06 +0900, Amit Langote wrote:
> Attached updated patches.

Thanks to Justin's recent patch (89d16b63527) to add
-DRELCACHE_FORCE_RELEASE -DCOPY_PARSE_PLAN_TREES -DWRITE_READ_PARSE_PLAN_TREES -DRAW_EXPRESSION_COVERAGE_TEST
to the FreeBSD ci task we now see the following:

https://cirrus-ci.com/task/4772259058417664
https://api.cirrus-ci.com/v1/artifact/task/4772259058417664/testrun/build/testrun/main/regress/regression.diffs

diff -U3 /tmp/cirrus-ci-build/src/test/regress/expected/updatable_views.out /tmp/cirrus-ci-build/build/testrun/main/regress/results/updatable_views.out
--- /tmp/cirrus-ci-build/src/test/regress/expected/updatable_views.out	2022-10-02 10:37:08.888945000 +0000
+++ /tmp/cirrus-ci-build/build/testrun/main/regress/results/updatable_views.out	2022-10-02 10:40:26.947887000 +0000
@@ -1727,14 +1727,16 @@
 (4 rows)

 UPDATE base_tbl SET id = 2000 WHERE id = 2;
+WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 UPDATE rw_view1 SET id = 3000 WHERE id = 3;
+WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 SELECT * FROM base_tbl;
   id  | idplus1
 ------+---------
     1 |       2
     4 |       5
- 2000 |    2001
- 3000 |    3001
+ 2000 |       3
+ 3000 |       4
 (4 rows)

 DROP TABLE base_tbl CASCADE;

and many more.

Greetings,

Andres Freund



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 Update outdated comment in ApplyRetrieveRule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