12th September 2019: PostgreSQL 12 Beta 4 Released!
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43.50. pg_user

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 43-50. pg_user Columns

Name Type 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 Password expiry time (only used for password authentication)  
useconfig text[] Session defaults for run-time configuration variables