Обсуждение: Revoke - database does not exist

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Revoke - database does not exist

От
Prashanth Kumar
Дата:
Hi,

Do not seem to figure out what is wrong here. Why am I getting database does not exist.  I just created the database and am able to connect to it as "postgres" user.
 I am trying to restrict  "testuser" from connecting to "myDB" database.

Thanks in advance.


postgres@ulinux3:~$ createuser -D -S -R -P testuser
Enter password for new role:
Enter it again:
postgres@ulinux3:~$ createdb myDB
postgres@ulinux3:~$ psql
psql (9.3.4)
Type "help" for help.

postgres=# REVOKE ALL PRIVILEGES  ON DATABASE myDB FROM testuser;
ERROR:  database "mydb" does not exist
postgres=# \q
postgres@ulinux3:~$ psql myDB
psql (9.3.4)
Type "help" for help.

myDB=# REVOKE ALL PRIVILEGES  ON DATABASE myDB FROM testuser;
ERROR:  database "mydb" does not exist



--Prashanth Kumar

Re: Revoke - database does not exist

От
Tomáš Vondra
Дата:

I guess you need to quote the identifier, as you use mixed case. I.e. try "myDB" with the double quotes.

Tomas

Dne 2. 5. 2014 2:49 Prashanth Kumar <prashanthk@hotmail.com> napsal(a):
Hi,

Do not seem to figure out what is wrong here. Why am I getting database does not exist.  I just created the database and am able to connect to it as "postgres" user.
 I am trying to restrict  "testuser" from connecting to "myDB" database.

Thanks in advance.


postgres@ulinux3:~$ createuser -D -S -R -P testuser
Enter password for new role:
Enter it again:
postgres@ulinux3:~$ createdb myDB
postgres@ulinux3:~$ psql
psql (9.3.4)
Type "help" for help.

postgres=# REVOKE ALL PRIVILEGES  ON DATABASE myDB FROM testuser;
ERROR:  database "mydb" does not exist
postgres=# \q
postgres@ulinux3:~$ psql myDB
psql (9.3.4)
Type "help" for help.

myDB=# REVOKE ALL PRIVILEGES  ON DATABASE myDB FROM testuser;
ERROR:  database "mydb" does not exist



--Prashanth Kumar

Re: Revoke - database does not exist

От
David G Johnston
Дата:
Prashanth Kumar wrote
> Hi,
>
> Do not seem to figure out what is wrong here. Why am I getting database
> does not exist.  I just created the database and am able to connect to it
> as "postgres" user.
>  I am trying to restrict  "testuser" from connecting to "myDB" database.

Thomas is likely correct about the quoting.  The command programs are
case-sensitive and perform the proper quoting for you when issuing commands;
but when you are inside psql you need to take care to perform the proper
quoting yourself.

WRT grant/revoke keep in mind when you revoke you only remove pre-existing
grants; it does not establish an explicit block on its own.  i.e., it
doesn't stop default permissions, or those inherited from PUBLIC, from
applying.  You would need to remove those inheritance-granted permissions
and then explicitly grant them back to those who still require them while
omitting those that do not.

David J.




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