PG_ROLES

PG_ROLES provides information about database roles. Initialization users and users with the sysadmin or createrole attribute can view information about all roles. Other users can view only their own information.

**Table 1** PG_ROLES columns
Name	Type	Reference	Description
rolname	name	-	Role name
rolsuper	boolean	-	Whether the role is the initial system administrator with the highest permission
rolinherit	boolean	-	Whether the role inherits the permissions for this type of roles
rolcreaterole	boolean	-	Whether the role can create other roles
rolcreatedb	boolean	-	Whether the role can create databases
rolcatupdate	boolean	-	Whether the role can update system tables directly. Only the initial system administrator whose usesysid is 10 has this permission. It is unavailable for other users.
rolcanlogin	boolean	-	Whether the role can log in to the database
rolreplication	boolean	-	Whether the role can be replicated
rolauditadmin	boolean	-	Whether the role is an audit system administrator
rolsystemadmin	boolean	-	Whether the role is a system administrator
rolconnlimit	integer	-	Sets the maximum number of concurrent connections that this role can initiate if this role can log in. The value –1 indicates no limit.
rolpassword	text	-	Not the password (always reads as ********)
rolvalidbegin	timestamp with time zone	-	Account validity period start time; null if no start time
rolvaliduntil	timestamp with time zone	-	Account expiry time; null if no expiration
rolrespool	name	-	Resource pool that a user can use
rolparentid	oid	PG_AUTHID.rolparentid	OID of a group user to which the user belongs
roltabspace	text	-	Storage space of the user permanent table
roltempspace	text	-	Storage space of the user temporary table, in KB
rolspillspace	text	-	Operator disk spill space of the user, in KB
rolconfig	text[]	-	Session defaults for runtime configuration variables
oid	oid	PG_AUTHID.oid	Role ID
roluseft	boolean	PG_AUTHID.roluseft	Whether the role can perform operations on foreign tables
rolkind	"char"	-	Role type
nodegroup	name	-	Unsupported currently
rolmonitoradmin	boolean	-	Whether the role is a monitor administrator
roloperatoradmin	boolean	-	Whether the role is an O&M administrator
rolpolicyadmin	boolean	-	Whether the role is a security policy administrator