Horton

Re: WIP: Covering + unique indexes.

Alvaro Herrera <alvherre@alvh.no-ip.org>

View thread View on postgr.es
From: Alvaro Herrera <alvherre@alvh.no-ip.org>
To: Alexander Korotkov <a.korotkov@postgrespro.ru>
Cc: Peter Geoghegan <pg@bowt.ie>, Teodor Sigaev <teodor@sigaev.ru>, Anastasia Lubennikova <a.lubennikova@postgrespro.ru>, PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>, Alexander Kuzmenkov <a.kuzmenkov@postgrespro.ru>
Date: 2018-04-07T13:24:39Z
Lists: pgsql-hackers 
I didn't like rel.h being included in itup.h.  Do you really need a
Relation as argument to index_truncate_tuple?  It looks to me like you
could pass the tupledesc instead; indnatts could be passed as a separate
argument instead of IndexRelationGetNumberOfAttributes.

-- 
Álvaro Herrera                https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

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