>
> I have a user on my system whose username has recently changed. The user
> owns and is a non-owning user of multiple database. I have tried a command
> of the form:
>
> update pg_user set usename='newname' where usesysid=###;
>
> When I try this I get an error. Does anyone know how to change this
> information? If I delete the user and recreate the user with the same uid
> does that retain all the existing database permissions?
pg_user is a system view. Update pg_shadow instead.
But what error do you get? The command should respond with
"UPDATE 0" and do nothing!
Jan
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