Summary
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.
(Description quoted from the official PostgreSQL documentation.)
Columns
The pg_user system view exposes the following columns (names, types and descriptions are taken verbatim from the PostgreSQL documentation):
usenamename
User nameusesysidoid
ID of this userusecreatedbbool
User can create databasesusesuperbool
User is a superuserusereplbool
User can initiate streaming replication and put the system in and out of backup mode.usebypassrlsbool
User bypasses every row-level security policy, see ddl_rowsecurity for more information.passwdtext
Not the password (always reads as ********)valuntiltimestamptz
Password expiry time (only used for password authentication)useconfigtext[]
Session defaults for run-time configuration variables
Version applicability
Present in PostgreSQL 17, 18, 19 (verified against each release’s documentation). This is a long-standing system object that also exists in earlier PostgreSQL releases.
Related & references
Reference: PostgreSQL documentation — pg_user.