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 43-37. pg_user Columns
Name
Type
References
Description
usename
name
User name
usesysid
int4
User id (arbitrary number used to reference this user)
usecreatedb
bool
User may create databases
usesuper
bool
User is a superuser
usecatupd
bool
User may update system catalogs. (Even a superuser may not do this unless this column is true.)
passwd
text
Not the password (always reads as ********)
valuntil
abstime
Account expiry time (only used for password authentication)
useconfig
text[]
Session defaults for run-time configuration variables
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