From: | Leonardo Francalanci <m_lists(at)yahoo(dot)it> |
---|---|
To: | Simon Riggs <simon(at)2ndQuadrant(dot)com> |
Cc: | pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: Fast insertion indexes: why no developments |
Date: | 2013-10-29 20:44:49 |
Message-ID: | 1383079489.20563.YahooMailNeo@web172604.mail.ir2.yahoo.com |
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Thread: | |
Lists: | pgsql-hackers |
> Hmm, you realise Alvaro is working on MinMax indexes in this release?
> They are very efficient with regard to index inserts and specially
> designed for use on large tables.
>
> Prior work by Heikki on Grouped Item Tuples was a way of reducing the
> size of indexes, yet still allowing uniqueness checks. That is
> implemented in SQLServer already and is very useful.
Ah! Didn't know that!
> Your comment about the lack of development in indexes seems counter to
> the literature that I've seen. The main problem is people keep
> patenting things, making it fairly difficult for everyone.
Mmh, maybe I wasn't clear: I meant lack of development (maybe I should have said "implementation"?) in postgresql and in the other "sql databases" of the fast-insertion indexes you can find in literature.
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