> Pascal Bourguignon <pjb@informatimago.com> writes:
> > I'm trying to write a function to either insert a new row, or update
> > an existing row. However, the test "if not found" is always true,
>
> I believe you're getting burnt by the fact that lim.login is declared
> as char(8) --- so it has trailing blanks --- whereas the first parameter
> of lim_update is declared as text --- so it doesn't have trailing
> blanks. What's more, the comparison login=plogin will be done under
> "text" rules wherein trailing blanks are significant. So 'pjb' is not
> equal to 'pjb '.
>
> The ip and mac columns have the same problem.
>
> Advice: don't use char(n) for data that's not really fixed-width.
>
> regards, tom lane
Thank you very much. I overlooked that.
Changing the attributes type from char to varchar solves the problem.
create table lim (
login varchar(8),
ip varchar(15),
mac varchar(17),
last_date date,
logcnt integer
);
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