| From: | Sandro Santilli <strk(at)keybit(dot)net> |
|---|---|
| To: | pgsql-hackers(at)postgresql(dot)org |
| Cc: | heikki(dot)linnakangas(at)enterprisedb(dot)com |
| Subject: | Re: Gsoc2012 idea, tablesample |
| Date: | 2012-04-19 09:21:11 |
| Message-ID: | 20120419092111.GD25859@gnash |
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| Lists: | pgsql-hackers |
On Mon, 16 Apr 2012 23:17:25 -0700, Heikki Linnakangas wrote:
> 1. We probably don't want the SQL syntax to be added to the
> grammar. This should be written as an extension, using custom
> functions as the API, instead of extra SQL syntax.
I can't find the discussion about this, have any pointer ?
I've found a patch of 2007 by Gavin Sherry implementing the SQL 2003
TABLESAMPLE syntax. May be a good starting point ?
http://www.neilconway.org/talks/hacking/
--strk;
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