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Re: [ADMIN] how to revoke multiple users permission from multiple tables at the same time?

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On Wed, Apr 22, 2009 at 4:19 PM, DM <dm.aeqa@xxxxxxxxx> wrote:
> how to revoke multiple users permission from multiple tables at the same
> time?
> Or in simple is there a way to revoke multiple users grant access from
> multiple tables under a schema.?

Best way is to NOT grant multiple users permissions, but to grant a
role the permissions and grant that role to users.  That way you only
have to revoke persmissions from the role to revoke it from all the
users.

> I use Revoke below command to execute on each table one by one.
> revoke SELECT/ALL on testtable from user1;

Note that you can build a set of revoke commands by using selects and
concatenations if you need them.  Something like this (use psql -E to
see the queries \ commands invoke in psql)

SELECT 'revoke all from somename on '||n.nspname||'.'||  c.relname ||';'
FROM pg_catalog.pg_class c
     JOIN pg_catalog.pg_roles r ON r.oid = c.relowner
     LEFT JOIN pg_catalog.pg_namespace n ON n.oid = c.relnamespace
WHERE c.relkind IN ('r','v','S','')
  AND n.nspname <> 'pg_catalog'
  AND n.nspname !~ '^pg_toast'
  AND pg_catalog.pg_table_is_visible(c.oid)
ORDER BY 1;

                   ?column?
----------------------------------------------
 revoke all from somename on public.colony;
 revoke all from somename on public.delegate;
 revoke all from somename on public.jt1;
 revoke all from somename on public.jt2;
 revoke all from somename on public.mytable;
 revoke all from somename on public.test1;
 revoke all from somename on public.test2;
 revoke all from somename on public.tmp;
(8 rows)

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