Re: Supporting = operator in gin/gist_trgm_ops

On Sat, Nov 14, 2020 at 12:31 AM Alexander Korotkov <aekorotkov@gmail.com>
wrote:

>
> I went through and revised this patch.  I made the documentation
> statement less categorical.  pg_trgm gist/gin indexes might have lower
> performance of equality operator search than B-tree.  So, we can't
> claim the B-tree index is always not needed.  Also, simple comparison
> operators are <, <=, >, >=, and they are not supported.
>

Is "simple comparison" here a well-known term of art?  If I read the doc as
committed (which doesn't include the sentence above), and if I didn't
already know what it was saying, I would be left wondering which
comparisons those are.  Could we just say "inequality operators"?

Cheers,

Jeff