| From: | Chester Kustarz <chester(at)arbor(dot)net> |
|---|---|
| To: | "Dean Gibson (DB Administrator)" <postgresql3(at)ultimeth(dot)com> |
| Cc: | pgsql-sql(at)postgresql(dot)org |
| Subject: | Re: JOIN performance |
| Date: | 2004-09-21 04:09:19 |
| Message-ID: | Pine.BSO.4.44.0409210008260.17616-100000@detroit.arbor.net |
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| Thread: | |
| Lists: | pgsql-sql |
On Mon, 20 Sep 2004, Dean Gibson (DB Administrator) wrote:
> Okay, now for my big question: I searched high and low for a function that
> would return the minimum of two dates, and found none. Now you come up
> with "date_smaller", which works fine (as does "date_larger"), but where
> are those documented? More importantly, where are other functions like
> them documented?
You can make them:
http://www.postgresql.org/docs/7.4/interactive/server-programming.html
"strict" means it will return NULL when the input is NULL.
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