Robert Haas wrote:
> On Sat, May 29, 2010 at 5:00 PM, Bruce Momjian <bruce@momjian.us> wrote:
> > I have updated the patch, attached, to clarify that this returns text
> > arrays, and that you can force it to always return one row using
> > COALESCE() and a '|' pattern (the later suggested by Daniele Varrazzo).
>
> I don't find this part to be something we should include in the
> documentation. If we want to include a workaround, how about defining
> a non-SRF that just calls the SRF and returns the first row?
Remember this has to return one row for no matches, so a simple SRF will
not work. I also have not seen enough demand for another function. A
single doc mention seemed the appropriate level of detail for this.
--
Bruce Momjian <bruce@momjian.us> http://momjian.us
EnterpriseDB http://enterprisedb.com
