Re: Could regexp_matches be immutable?

On 10/14/09 2:07 PM, David Fetter wrote:
> On Wed, Oct 14, 2009 at 04:51:03PM -0400, Tom Lane wrote:
>> Rod Taylor <rod.taylor@gmail.com> writes:
>>> I tried making a functional index based on an expression
>>> containing the 2 argument regexp_matches() function. Is there a
>>> reason why this function is not marked immutable instead of
>>> normal?
>> regex_flavor affects its result.
> 
> Speaking of which, can we see about deprecating and removing this GUC?
> I've yet to hear of anyone using a flavor other than the default.

Actually, *we* (PGX) have a client who does.  You just haven't worked on
their stuff.

--Josh