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42.39. 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.

This view explicitly exposes the OID column of the underlying table, since that is needed to do joins to other catalogs.

Table 42-39. pg_roles Columns

Name Type References Description
rolname name   Role name
rolsuper bool   Role has superuser privileges
rolinherit bool   Role automatically inherits privileges of roles it is a member of
rolcreaterole bool   Role may create more roles
rolcreatedb bool   Role may create databases
rolcatupdate bool   Role may update system catalogs directly. (Even a superuser may not do this unless this column is true.)
rolcanlogin bool   Role may log in, that is, this role can be given as the initial session authorization identifier.
rolconnlimit int4   For roles that can log in, this sets maximum number of concurrent connections this role can make. -1 means no limit.
rolpassword text   Not the password (always reads as ********)
rolvaliduntil timestamptz   Password expiry time (only used for password authentication); NULL if no expiration
rolconfig text[]   Session defaults for run-time configuration variables
oid oid pg_authid.oid ID of role
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