> 2. If you've got lots of equal keys, it's conceivable that having the
> index entries sorted by TID offers some advantage in indexscan speed.
> I'm dubious that that's useful, mainly because the planner should
prefer
> a bitmap scan in such a case; and anyway the ordering is unlikely to
> be preserved for long. But it's something to think about.
How about always adding the TID as last key when using qsort for create
index ?
Andreas