51.81. pg_roles
  The view
  
   pg_roles
  
  provides access to
   information about database roles.  This is simply a publicly
   readable view of
  
   
    pg_authid
   
  
  that blanks out the password field.
 
   
    Table 51.82. 
    
     pg_roles
    
    Columns
   
  
| Column Type Description | 
|---|
| 
         Role name | 
| 
         Role has superuser privileges | 
| 
         Role automatically inherits privileges of roles it is a member of | 
| 
         Role can create more roles | 
| 
         Role can create databases | 
| 
         Role can log in. That is, this role can be given as the initial session authorization identifier | 
| 
         Role is a replication role. A replication role can initiate replication connections and create and drop replication slots. | 
| 
         For roles that can log in, this sets maximum number of concurrent connections this role can make. -1 means no limit. | 
| 
         
        Not the password (always reads as
         | 
| 
         Password expiry time (only used for password authentication); null if no expiration | 
| 
         Role bypasses every row level security policy, see Section 5.8 for more information. | 
| 
         Role-specific defaults for run-time configuration variables | 
| 
         ID of role |