On Sat, 29 Jun 2002, Kelly wrote:
> select * from pg_user where usesysid=(select grolist[1] from pg_group
> where groname='mygroup');
> select * from pg_user where usesysid=(select grolist[2] from pg_group
> where groname='mygroup');
> select * from pg_user where usesysid=(select grolist[3] from pg_group
> where groname='mygroup');
>
> Can those three queries be merged to one query? (and still gives me
> those three rows)
> Or do I have to explicitly say grolist[1], grolist[2], etc....
If you want to do "is element in array," I believe the array iterator
functions in contrib/array might help you.