Karl Denninger escribió:
> > To encode:
> >
> >
> > write_conn = Postgresql communication channel in your software that is
> > open to write to the table
> >
> > char *out;
> > size_t out_length, badge_length;
> >
> > badge_length = function-to-get-length-of(badge_binary_data); /* You
> > have to know how long it is */
> >
> > out = PQescapeByteaConn(write_conn, badge_binary_data, badge_length,
> > &out_length); /* Convert */
> >
> > That function allocates the required memory for the conversion.
I think you're better off with PQexecParams() so that you don't have to
encode the image at all; just load it in memory and use it as a
parameter.
--
Álvaro Herrera http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services