48.73. 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 48-74. pg_user Columns
| Name | Type | Description |
|---|---|---|
usename | name | User name |
usesysid | oid | ID of this user |
usecreatedb | bool | User can create databases |
usesuper | bool | User is a superuser |
usecatupd | bool | User can update system catalogs. (Even a superuser cannot do this unless this column is true.) |
userepl | bool | User can initiate streaming replication and put the system in and out of backup mode. |
passwd | text | Not the password (always reads as ********) |
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/9.4/view-pg-user.html