PG_USER

PG_USER provides information about database users. By default, only the initial user and users with the sysadmin attribute can view the information. Other users can view the information only after being granted permissions.

Table 1 PG_USER columns

Name	Type	Description
usename	name	Username
usesysid	oid	ID of this user
usecreatedb	Boolean	Whether the user has the permissions to create databases
usesuper	Boolean	whether the user is the initial system administrator with the highest rights
usecatupd	Boolean	whether the user can directly update system tables. Only the initial system administrator whose usesysid is 10 has this permission. It is unavailable for other users.
userepl	Boolean	Whether the user has the permissions to duplicate data streams
passwd	text	Encrypted user password. The value is displayed as ********.
valbegin	timestamp with time zone	Start time for account validity (null if no start time)
valuntil	timestamp with time zone	End time for account validity (null if no end time)
respool	name	Resource pool where the user is in
parent	oid	Parent user OID
spacelimit	text	Storage space of the permanent table
tempspacelimit	text	Storage space of the temporary table
spillspacelimit	text	Operator disk flushing space
useconfig	text[]	Session defaults for runtime configuration variables
nodegroup	name	Name of the logical openGauss associated with the user. If no logical openGauss is associated, this column is left blank.