"Tom Lane" <tgl@sss.pgh.pa.us> wrote:7731.1123857710@sss.pgh.pa.us...
> "William ZHANG" <uniware@zedware.org> writes:
> > Why not change the option "createuser" to "superuser",
>
> Backwards compatibility with existing dump files.
>
> > or do something to make is easier to understand?
>
> See
> http://developer.postgresql.org/docs/postgres/sql-createrole.html
>
Got the idea.
And I found that pgsql's role is very intresting. Will read it carefully.