Then you can do:
select *
from retrieve_user('foo', 'bar');
Personally I'd prefer to create view that wraps that select statement
and then simply do a
select *
from user_view
where name = 'foo'
and password = 'bar'
It is also better because with a view, you can also do " name is null ".
But you cannot do that with a function (unless you write unnecessary
circumstancial code.)
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