Re: WIP: Covering + unique indexes.

Peter Geoghegan <pg@bowt.ie>

From: Peter Geoghegan <pg@bowt.ie>
To: Teodor Sigaev <teodor@sigaev.ru>
Cc: Jeff Janes <jeff.janes@gmail.com>, Alexander Korotkov <a.korotkov@postgrespro.ru>, Anastasia Lubennikova <a.lubennikova@postgrespro.ru>, PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>
Date: 2018-04-08T19:03:32Z
Lists: pgsql-hackers

Attachments

On Sun, Apr 8, 2018 at 11:18 AM, Teodor Sigaev <teodor@sigaev.ru> wrote:
> Thank you, fixed

I suggest that we remove some unneeded amcheck tests, as in the
attached patch. They don't seem to add anything.

-- 
Peter Geoghegan

Commits

  1. Adjust INCLUDE index truncation comments and code.

  2. Add commentary explaining why MaxIndexTuplesPerPage calculation is safe.

  3. Indexes with INCLUDE columns and their support in B-tree

  4. Add amcheck verification of heap relations belonging to btree indexes.

  5. Doc: move info for btree opclass implementors into main documentation.

  6. Doc: mention that you can't PREPARE TRANSACTION after NOTIFY.

  7. Remove dedicated B-tree root-split record types.

  8. Restructure index access method API to hide most of it at the C level.

  9. Split _bt_insertonpg to two functions.

  10. Major overhaul of btree index code. Eliminate special BTP_CHAIN logic for