Re: pgsql: Fix search_path to a safe value during maintenance operations.

Jeff Davis <pgsql@j-davis.com>

From: Jeff Davis <pgsql@j-davis.com>
To: "David G. Johnston" <david.g.johnston@gmail.com>, Robert Haas <robertmhaas@gmail.com>
Cc: Tom Lane <tgl@sss.pgh.pa.us>, Noah Misch <noah@leadboat.com>, "pgsql-hackers@postgresql.org" <pgsql-hackers@postgresql.org>, Nathan Bossart <nathandbossart@gmail.com>
Date: 2023-08-01T21:38:30Z
Lists: pgsql-hackers
On Tue, 2023-08-01 at 11:16 -0700, David G. Johnston wrote:
> They can use ALTER FUNCTION and the existing "FROM CURRENT"
> specification to get back to current behavior if desired.

The current behavior is that the search_path comes from the environment
each execution. FROM CURRENT saves the search_path at definition time
and uses that each execution.

Regards,
	Jeff Davis




Commits

  1. Fix search_path to a safe value during maintenance operations.

  2. Revert MAINTAIN privilege and pg_maintain predefined role.

  3. Add grantable MAINTAIN privilege and pg_maintain role.

  4. Revoke PUBLIC CREATE from public schema, now owned by pg_database_owner.