On Sun, Feb 16, 2014 at 9:38 PM, Rémi Cura <remi(dot)cura(at)gmail(dot)com> wrote:
> Hey Dear List,
> could somebody point me to some ressources about getting only parts of
> toasted data?
>
> I have a very big custom type and I would like to take blocks of it (like
> byte A to B then byte C to D then... ).
>
> I found a function in http://doxygen.postgresql.org/tuptoaster_8c.html#called toast_fetch_datum_slice, is it the right way to use it
> (a for loop and calling it several time?).
>
"pg_detoast_datum_slice" is the function which will solve your problem.
Regards,
Hari Babu
Fujitsu Australia