You may be able to recover them, but you could make things worser if
you do not do it correctly.
http://archives.postgresql.org/pgsql-patches/2005-02/msg00126.phphttp://archives.postgresql.org/pgsql-general/2006-02/msg00091.php
On 2/6/06, surabhi.ahuja <surabhi.ahuja@iiitb.ac.in> wrote:
> hi,
>
> i have acidentally deleted rows from a table. is it possible to recover them
>
> i have read somewhere that the source code can be modified to recover them,
> can some one tell me the way so that it can be done.
>
> Please note that i have no back up of the data, is it not possible to
> recover them thru pg_xlog?
>
> thank you
>
> regards
> Surabhi