On 28 May 2013 12:07, Pavel Stehule <pavel.steh...@gmail.com> wrote: > Hello > > 2013/5/28 Szymon Guz <mabew...@gmail.com>: > > Hi, > > while hacking on some Postgres code I've found a problem. > > > > I need to convert numeric to string. I've got datum with numeric inside, > so > > I'm getting it like: > > > > Numeric *numeric = DatumGetNumeric(d); > > > > but later I need to have string (most probably: const char *). I've > found a > > couple of different ways for doing that, but I'm not aware of side > effects. > > > > Which function/macro should I use? > > > > There is a numeric_out function, you can use it or look on their source > code > > result = DatumGetCString(DirectFunctionCall1(numeric_out, d)); >
Thanks.