51.86. pg_shadow
The view pg_shadow exists for backwards compatibility: it emulates a catalog that existed in PostgreSQL before version 8.1. It shows properties of all roles that are marked as rolcanlogin in pg_authid.
The name stems from the fact that this table should not be readable by the public since it contains passwords. pg_user is a publicly readable view on pg_shadow that blanks out the password field.
Table 51.87. pg_shadow Columns
| Name | Type | References | Description |
|---|---|---|---|
usename |
name |
pg_authid.rolname |
User name |
usesysid |
oid |
pg_authid.oid |
ID of this user |
usecreatedb |
bool |
User can create databases | |
usesuper |
bool |
User is a superuser | |
userepl |
bool |
User can initiate streaming replication and put the system in and out of backup mode. | |
usebypassrls |
bool |
User bypasses every row level security policy, see Section 5.7 for more information. | |
passwd |
text |
Password (possibly encrypted); null if none. See pg_authid for details of how encrypted passwords are stored. |
|
valuntil |
abstime |
Password expiry time (only used for password authentication) | |
useconfig |
text[] |
Session defaults for run-time configuration variables |
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https://www.postgresql.org/docs/10/view-pg-shadow.html