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The OAT hooks are added in ALTER TABLE for the following subcommands:
- { ENABLE | DISABLE | [NO] FORCE } ROW LEVEL SECURITY
- { ENABLE | DISABLE } TRIGGER
- { ENABLE | DISABLE } RULE. Note that there was hook for pg_rewrite,
but not for relation ALTER'ed in pg_class.
Tests are added to test_oat_hook for all the subcommand patterns gaining
hooks here. Based on an ask from Legs Mansion.
Discussion: https://postgr.es/m/tencent_083B3850655AC6EE04FA0A400766D3FE8309@qq.com
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The test output varies when debug_discard_caches is enabled,
because that causes extra executions of recomputeNamespacePath.
Maybe putting a hook in that was a bad idea, but as a stopgap,
just turn off debug_discard_caches in this test.
Per buildfarm (now that we have debug_discard_caches coverage
again). Back-patch to v15 where this module was added.
Discussion: https://postgr.es/m/2267406.1668804934@sss.pgh.pa.us
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In what must have been a copy'n paste mistake, all the flag tests use
the same flag rather than a different flag each. The bug is not
suprising, considering that it's dead code; add a minimal, testimonial
line to cover it.
This is all pretty inconsequential, because this is just example code,
but it had better be correct.
Discussion: https://postgr.es/m/20220712152059.fwli2majwgzdmh4r@alvherre.pgsql
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This addresses two issues in the tests of test_oat_hooks:
- The role regress_test_user was being left behind, preventing the test
to succeed on repeated runs. It makes sense to leave some objects
behind to have more coverage for pg_upgrade (as does test_pg_dump), but
the role dropped here does not own any objects so there is no reason to
keep it.
- GRANT SET ON PARAMETER is issued, creating an entry in
pg_parameter_acl without cleaning up the entry created. This causes
an overlap with unsafe_tests as both use work_mem, making the latter
fail. This commit adds an extra REVOKE SET ON PARAMETER to clean the
contents of pg_parameter_acl, switching to maintenance_work_mem rather
than work_mem to avoid an overlap between both tests.
The tests of test_oat_hooks cannot use installcheck yet as these are
proving to be unstable with caching and the namespace search hooks, so
the issues fixed here cannot be reached yet, but they would be once the
hook issue is addressed and installcheck is allowed again in
test_oat_hooks.
Discussion: https://postgr.es/m/YrpVkADAY0knF6vM@paquier.xyz
Backpatch-through: 15
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This patch allows "PGC_SUSET" parameters to be set by non-superusers
if they have been explicitly granted the privilege to do so.
The privilege to perform ALTER SYSTEM SET/RESET on a specific parameter
can also be granted.
Such privileges are cluster-wide, not per database. They are tracked
in a new shared catalog, pg_parameter_acl.
Granting and revoking these new privileges works as one would expect.
One caveat is that PGC_USERSET GUCs are unaffected by the SET privilege
--- one could wish that those were handled by a revocable grant to
PUBLIC, but they are not, because we couldn't make it robust enough
for GUCs defined by extensions.
Mark Dilger, reviewed at various times by Andrew Dunstan, Robert Haas,
Joshua Brindle, and myself
Discussion: https://postgr.es/m/3D691E20-C1D5-4B80-8BA5-6BEB63AF3029@enterprisedb.com
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per gripelet from Tom Lane.
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Commit 90efa2f556 caused some issues with EXEC_BACKEND builds and with
force_parallel_mode = regress setups. For the first issue we no longer
test if the module has been preloaded, and in fact we don't preload it,
but simply LOAD it in the test script. For the second issue we suppress
error messages emanating from parallel workers.
Mark Dilger
Discussion: https://postgr.es/m/7f6d54a1-4024-3b6e-e3ec-26cd394aac9e@dunslane.net
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This includes tests of both the newly added name type object access
hooks and the older Oid type hooks, and provides a useful example
of how to use the hooks.
Mark Dilger, based on some code from Joshua Brindle.
Discussion: https://postgr.es/m/47F87A0E-C0E5-43A6-89F6-D403F2B45175@enterprisedb.com
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