On Wed, Apr 22, 2009 at 5:01 PM, Scott Marlowe <scott.marlowe@xxxxxxxxx> wrote:
> 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)
In my hurry I got the order wrong, you want the revoke to look like this:
revoke all on tablename from somename;
I leave it to you to rebuild the query to get what ya need.
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