pg_user
   The view pg_user provides access to
   information about database users.  This is simply a publicly
   readable view of
   pg_shadow
   that blanks out the password field.
  
Table 52.96. pg_user Columns
| Column Type Description | 
|---|
| 
        User name | 
| 
        ID of this user | 
| 
        User can create databases | 
| 
        User is a superuser | 
| 
        User can initiate streaming replication and put the system in and out of backup mode. | 
| 
        User bypasses every row-level security policy, see Section 5.8 for more information. | 
| 
        
       Not the password (always reads as  | 
| 
        Password expiry time (only used for password authentication) | 
| 
        Session defaults for run-time configuration variables |