| From: | Josh Berkus <josh(at)agliodbs(dot)com> |
|---|---|
| To: | Stephan Szabo <sszabo(at)megazone23(dot)bigpanda(dot)com> |
| Cc: | Andre Schubert <andre(dot)schubert(at)km3(dot)de>, <pgsql-sql(at)postgresql(dot)org> |
| Subject: | Re: Indexing timestamps |
| Date: | 2002-06-06 17:41:52 |
| Message-ID: | 200206061041.52753.josh@agliodbs.com |
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| Thread: | |
| Lists: | pgsql-sql |
Stephan,
> Unfortunately you can't do that in that sort of syntax. You'll
> need to create a function that returns the month and is marked
> as iscachable and use that function in the index creation and
> query.
Hmmm. I take it that NOW() is not ISCACHABLE, and that's Andre's indexing
problem? What would be the pitfall of creating an alternate version of
NOW() that ISCACHABLE?
--
-Josh Berkus
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