Gbase 8C system table PG_ authid

pg_authid The system table stores authentication identifiers about the database （ role ） Information about . Role handle “ user ” The concept of is included . A user is actually a rolcanlogin Mark the role set . Any role （ No matter rolcanlogin Set or not ） Can take other roles as members .

There is only one copy in a cluster pg_authid, Not every database has one . You need system administrator permission to access this system table .

name	type	describe
oid	oid	Row identifier （ Hidden attribute , Must be explicitly selected to display ）
rolname	name	The role of
rolsuper	bool	Whether the role has super user permission
rolinherit	bool	If this role is a member of another role , Whether this role automatically controls the permissions of another role
rolcreaterole	bool	Whether the role can create more roles
rolcreatedb	bool	Whether the role can create a database
rolcanlogin	bool	Whether the role can log in . That is, whether the role can be used as the initial session authorization identifier
rolreplication	bool	Whether the role is a duplicate role . A replication role can open replication connections and create and delete replication slots .
rolbypassrls	bool	Whether the role can bypass all row level security policies
rolconnlimit	int4	For roles that can log in , This column sets the maximum number of connections that this role can initiate at the same time .-1 Means unlimited .
rolpassword	text	password （ It could be encrypted ）, If not, it is empty . The format depends on the encryption form used .
rolvaliduntil	timestamptz	Password expiration time （ Only for password authentication ）, Empty if it never expires