Re: Could regexp_matches be immutable?

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.
>
>
>   

You have now. I have a client who sadly uses a non-default setting. And 
on 8.4, what is more.

There are more things under heaven and earth ....

cheers

andrew