Re: Array handling in libpq

[Bruno Wolff III <bruno(at)wolff(dot)to>]

On Wed, Jan 17, 2007 at 09:45:09 +0100,
  Joris van Zwieten <vanzwieten(at)stcorp(dot)nl> wrote:
> 
> Thanks for your replies. This is good to know, although one worry remains
> and that is loss of precision in the conversion of double to string. But
> this could probably always be solved by using enough digits in the
> conversion, right?

There is a GUC variable (extra_float_digits) for doing this. Setting it to 2
will give enough extra decimal places that you should get back the same
binary representation (on the same architecture). This is automatically used
in some cases (e.g. pgdump).