This was reported on IRC. PostgresInstaller::canCreateAccounts() uses the obsolete pg_user catalog, instead of the new pg_roles. It gets the data from pg_user with a very strange looking query, and then interprets the result with a strange and buggy if statement, the end result being equivalent to a check of usesuper alone.

The reporter on IRC apparently had a user with rolcreaterole=true and rolcreatedb=true but rolsuper=false. The installer declared that this user could not create accounts.

Version: 1.17.x
Severity: normal