Jim C. Nasby wrote:
> On Wed, Oct 05, 2005 at 03:40:43PM -0700, Qingqing Zhou wrote:
> > We do the prefix sharing when we build up index only, never on the fly.
>
> So are you saying that inserts of new data wouldn't make any use of
> this? ISTM that greatly reduces the usefulness, though I'm not objecting
> because compression during build is probably better than none at all. Is
> there a technical reason compression can't be used during normal
> operations?
Added to TODO:
* Consider compressing indexes by storing key prefix values shared by several rows as a single index entry
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