On Thu, 2011-11-03 at 10:37 +0200, Heikki Linnakangas wrote:
> Looking at the most recent patch, I don't actually see any GiST support
> for the empty and non-empty operators (!? and ?). I don't see how those
> could be accelerated with GiST, anyway; I think if you want to use an
> index for those operators, you might as well create a partial or
> functional index on empty(x).
>
> So I'm actually inclined to remove not only the nonempty function, but
> also the ? and !? operators. They don't seem very useful, and ? and !?
> don't feel very intuitive to me, anyway. I'll just leave the empty(x)
> function.
That's fine with me. At best, they were only marginally useful.
Regards,
Jeff Davis
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