| From: | Alvaro Herrera <alvherre(at)2ndquadrant(dot)com> |
|---|---|
| To: | Simon Riggs <simon(at)2ndquadrant(dot)com> |
| Cc: | Robert Haas <robertmhaas(at)gmail(dot)com>, Nicolas Barbier <nicolas(dot)barbier(at)gmail(dot)com>, Claudio Freire <klaussfreire(at)gmail(dot)com>, Josh Berkus <josh(at)agliodbs(dot)com>, Heikki Linnakangas <hlinnakangas(at)vmware(dot)com>, Andres Freund <andres(at)2ndquadrant(dot)com>, Pg Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Minmax indexes |
| Date: | 2014-08-07 22:39:21 |
| Message-ID: | 20140807223921.GD7101@eldon.alvh.no-ip.org |
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| Lists: | pgsql-hackers |
Simon Riggs wrote:
> A better description would be "block range index" since we are
> indexing a range of blocks (not just one block). Perhaps a better one
> would be simply "range index", which we could abbreviate to RIN or
> BRIN.
Seems a lot of people liked BRIN. I will be adopting that by renaming
files and directories soon.
Here's v14. I fixed a few bugs; most notably, queries with IS NULL and
IS NOT NULL now work correctly. Also I made the pageinspect extension
be able to display existing index tuples (I had disabled that when
generalizing the opclass stuff). It only works with minmax opclasses
for now; it should be easy to fix if/when we add more stuff though.
I also added some docs. These are not finished by any means. They
talk about the index using the BRIN term.
All existing opclasses were renamed to "<type>_minmax_ops".
--
Álvaro Herrera http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services
| Attachment | Content-Type | Size |
|---|---|---|
| minmax-14.patch | text/x-diff | 193.6 KB |
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