pgsql: Recalculate search_path after ALTER ROLE.

From: Jeff Davis <jdavis(at)postgresql(dot)org>
To: pgsql-committers(at)lists(dot)postgresql(dot)org
Subject: pgsql: Recalculate search_path after ALTER ROLE.
Date: 2023-08-09 20:32:14
Message-ID: E1qTpqn-001Fqd-Bl@gemulon.postgresql.org
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Recalculate search_path after ALTER ROLE.

Renaming a role can affect the meaning of the special string $user, so
must cause search_path to be recalculated.

Discussion: https://postgr.es/m/186761d32c0255debbdf50b6310b581b9c973e6c.camel@j-davis.com
Reviewed-by: Nathan Bossart, Michael Paquier
Backpatch-through: 11

Branch
------
REL_11_STABLE

Details
-------
https://git.postgresql.org/pg/commitdiff/43ba5105a8e0c28e893bd698f76211b5ea757145

Modified Files
--------------
src/backend/catalog/namespace.c | 6 +-
src/test/isolation/expected/search-path-inval.out | 97 +++++++++++++++++++++++
src/test/isolation/isolation_schedule | 1 +
src/test/isolation/specs/search-path-inval.spec | 59 ++++++++++++++
4 files changed, 162 insertions(+), 1 deletion(-)

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