On 3/26/18 6:10 AM, Alexander Korotkov wrote:
>
> So, as I get you're proposing to introduce INDEX_ALT_TID_MASK flag
> which would indicate that we're storing something special in the t_tid
> offset. And that should help us not only for covering indexes, but also for
> further btree enhancements including suffix truncation. What exactly do
> you propose to store into t_tid offset when INDEX_ALT_TID_MASK flag
> is set? Is it number of attributes in this particular index tuple?
It appears that discussion and review of this patch is ongoing so it
should not be marked Ready for Committer. I have changed it to Waiting
on Author since there are several pending reviews and at least one bug.
Regards,
--
-David
david@pgmasters.net