Re: postgres function does not handle PUBLIC - expected?

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Per my original email, we were calling the has_table_privilege function to revoke rather than simply revoking. 
Thank you very much,
Sincerely,
Kasia 

-----Original Message-----
From: Kevin Grittner [mailto:Kevin.Grittner@xxxxxxxxxxxx] 
Sent: Tuesday, August 10, 2010 1:00 PM
To: Kasia Tuszynska; Szymon Guz
Cc: pgsql-admin@xxxxxxxxxxxxxx
Subject: RE:  postgres function does not handle PUBLIC - expected?

Kasia Tuszynska <ktuszynska@xxxxxxxx> wrote:
 
> We found this issue because we can grant privs to public on a
> table, but could not revoke them.
 
Odd.
 
test=# create table t1 (c1 int primary key);
NOTICE:  CREATE TABLE / PRIMARY KEY will create implicit index
"t1_pkey" for table "t1"
CREATE TABLE
test=# grant insert on t1 to public;
GRANT
test=# revoke insert on t1 from public;
REVOKE
test=# revoke update on t1 from public;
REVOKE
 
> If I did not "know" that public was there how 
> would I check for it's existence on Postgres?
 
You would need to go to the documentation.  Unfortunately, we don't
mention it on this page:
 
http://www.postgresql.org/docs/current/static/role-membership.html
 
As Andre pointed out, you can get a reasonable explanation on the
page describing the GRANT statement.
 
-Kevin


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