Re: Issue on Varchar Ordering

Erika Terahata Torres Prada e Silva - MPS wrote:
> I'm having the following issue:
>
> create table aluno (id serial, nome varchar(60));
>
> rodrigo=# select * from aluno order by nome offset 35 limit 5;
> id | nome
> ----+-----------------------------------
> 36 | GABRIELA HELEDA DE SOUZA
> 37 | GABRIELA JACOBY NOS
> 38 | GABRIEL ALCIDES KLIM PERONDI
> 39 | GABRIELA LETICIA BATISTA NUNES
> 40 | GABRIEL ALEXANDRE DA SILVA MANICA
> (5 registros)
>
> The problem is that records with id 38 and 40 might come before the
> others. It seems that the spacing isn't considered on ordering.

That is, for practical purposes, correct.

May I suggest that you properly normalize your tables, by putting given
name and family name into separate columns.

--
Peter Eisentraut
http://developer.postgresql.org/~petere/