On Mon, 2025-02-17 at 23:31 +0530, Ayush Vatsa wrote:
> postgres=> SELECT pg_prewarm('pg_class_oid_index');
> ERROR: permission denied for index pg_class_oid_index
> postgres=> RESET ROLE;
> RESET
>
> postgres=# GRANT SELECT ON pg_class_oid_index TO alpha;
> ERROR: "pg_class_oid_index" is an index
> Based on this, I have few questions:
> 1. Can a role have access rights to a table without having access to its index?
> 2. If yes, how can we explicitly grant access to the index?
> 3. If no, and the role inherently gets access to the index when granted access to the table, why
> does the pg_prewarm call fail [1] in the above scenario?
I have seen a complaint about this bug before:
https://dba.stackexchange.com/a/344603/176905
Yours,
Laurenz Albe
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