Log, Logs and more Logs

Hi list,

I lost some data becouse my application does not throws an exception
when an update statement report an error.

It is possible to find out if the PostgreSQL could have this error
(and more important the complete statement that make this errors
occurs) ?

I know there are many logs in postgresql but I don't have many
familiarity with all them.

Any help would be glad.

Regards ...

--
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
Atenciosamente (Sincerely)
Ezequias Rodrigues da Rocha
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
A pior das democracias ainda é melhor do que a melhor das ditaduras
The worst of democracies is still better than the better of dictatorships
http://ezequiasrocha.blogspot.com/