another auto-answer : Suprisingly ,
result = construct_array(...) SRF_RETURN_NEXT(funcctx, PointerGetDatum(result)); But Datum memory must be allocated Cheers, Rémi-C 2014/1/16 Rémi Cura <remi.c...@gmail.com> > Hey list, > > another tricky C function interface problem : > > How to write a set returning function, that returns for each row an array? > > it seems like the main function SRF_RETURN_NEXT takes Datum and so I can't > use PG_RETURN_ARRAYTYPE_P(). > > Shall I encapsulate the array into a composite field (only 1 field : the > double array) > > I looked a lot for an example wihtout success. > > Help greatly appreciated, > > thanks, > > Cheers, > Rémi-C >
