52.33. 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 52.33. 
    
     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 5.9 for more information. | 
| 
         
        Not the password (always reads as
         | 
| 
         Password expiry time (only used for password authentication) | 
| 
         Session defaults for run-time configuration variables |