PostgreSQL 11 Administration Cookbook

How to do it…

The easiest solution to this problem is to refrain from dropping the user and use the trick from a previous recipe to prevent the user from connecting:

pguser=# alter user bob nologin;ALTER ROLE

This has the added benefit of the original owner of the table being available later, if needed, for auditing or debugging purposes (Why is this table here? Who created it?).

Then, you can assign the rights of the deleted user to a new user, using the following code:

pguser=# GRANT bob TO bobs_replacement;GRANT