Re: [pg_trgm] Making similarity(?, ?) < ? use an index

Greg Navis <contact@gregnavis.com> writes:
> I'm not sure how to make this operator use an index. It seems I need to
> create an operator class but I'm not sure how.

What you'd want to do is add it to the existing operator class and then
teach the class's support functions (mostly, the "consistent" function)
about it.

            regards, tom lane