Обсуждение: Re: Accessing system information functions

On 2023-09-22 17:37 +0000, Johnson, Bruce E - (bjohnson) wrote:
> postgres=# pg_database_size(avi);
> ERROR:  syntax error at or near "pg_database_size"
> LINE 1: pg_database_size(avi);

Call functions with SELECT, e.g.:

    SELECT pg_database_size('avi');

Also, the database name must be a string.

> Do I have to add anything to the search_path?

Not for objects in schema pg_catalog which is always searched whether
it's listed in the search path or not.

-- 
Erik