| From: | Peter Geoghegan <pg(at)heroku(dot)com> |
|---|---|
| To: | Bruce Momjian <bruce(at)momjian(dot)us> |
| Cc: | PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: 9.5 release notes |
| Date: | 2015-06-11 20:30:12 |
| Message-ID: | CAM3SWZTEKO1o93E0UvRauPwTOJ5qAN7em0cvKYRWQhwQxe=YHw@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Thu, Jun 11, 2015 at 1:23 PM, Peter Geoghegan <pg(at)heroku(dot)com> wrote:
> * Add sortsupport (support for non-SQL callable interface for
> comparators) with abbreviation capability to text/varlena operator
> class. This significantly accelerates sorting on text columns.
> (4ea51cdfe85 too, but also b34e37bf. Worth noting separately IMV.
> Geoghegan, Haas).
Also, note that there is no character(n) support for abbreviation as
yet (nor is there any contrib/citext support), so it's not quite true
that the sorting stuff accelerates sorts on "character fields".
--
Peter Geoghegan
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