Horton

Re: [PROPOSAL] Use SnapshotAny in get_actual_variable_range

Dmitriy Sarafannikov <dsarafannikov@yandex.ru>

View thread View on postgr.es
From: Dmitriy Sarafannikov <dsarafannikov@yandex.ru>
To: Dmitriy Sarafannikov <dsarafannikov@yandex.ru>
Cc: Amit Kapila <amit.kapila16@gmail.com>, Tom Lane <tgl@sss.pgh.pa.us>, Robert Haas <robertmhaas@gmail.com>, "pgsql-hackers@postgresql.org" <pgsql-hackers@postgresql.org>, Borodin Vladimir <root@simply.name>, Хомик Кирилл <khomikki@yandex-team.ru>
Date: 2017-05-12T16:12:49Z
Lists: pgsql-hackers 
> Ok, i agree. Patch is attached.

I added a patch to the CF

Commits

  1. Improve performance of get_actual_variable_range with recently-dead tuples.

  2. Use SnapshotDirty rather than an active snapshot to probe index endpoints.