On Tue, May 4, 2010 at 10:05 AM, Pavel Stehule <pavel.stehule@gmail.com> wrote:
> and then string_to_array and array_to_string are orthogonal with NULL.
I like the behavior, but should it share the name with the 2 argument
version given the incompatibility? Maybe make a new function
to_string(anyarray, sep, nullsym='') and deprecate the old one?
merlin