Re: count of databases by role/user

Hello,
thank you to Tom and Luca, this is what i was looking for.
I will use something like:

select * from pg_database where datdba=(select oid from pg_authid where
rolname='role_name');

Best regards

2015-05-11 15:51 GMT+02:00 Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>:

> Luca Ferrari <fluca1978(at)infinito(dot)it> writes:
> > On Mon, May 11, 2015 at 10:46 AM, Pascal Cloup <ptpas059(at)gmail(dot)com>
> wrote:
> >> How to know, programmaticaly, the number of databases/objects depending
> on a
> >> user?
>
> > For databases I would join pg_database and pg_authid, for objects
> > pg_class and pg_authid.
>
> Another way is to count the number of dependencies on that userid:
>
> regression=# create user joe;
> CREATE ROLE
> regression=# select count(*) from pg_shdepend where refobjid = (select oid
> from pg_roles where rolname = 'joe') and refclassid = 'pg_authid'::regclass;
> count
> -------
> 0
> (1 row)
>
> regression=# \c - joe
> You are now connected to database "regression" as user "joe".
> regression=> create table foo(f1 int primary key);
> CREATE TABLE
> regression=> select count(*) from pg_shdepend where refobjid = (select oid
> from pg_roles where rolname = 'joe') and refclassid = 'pg_authid'::regclass;
> count
> -------
> 1
> (1 row)
>
> This works for all types of ownable objects, and I think it also will have
> entries for GRANTed permissions.
>
> regards, tom lane
>