| From: | Michael Fuhr <mike(at)fuhr(dot)org> |
|---|---|
| To: | Bo Lorentsen <bl(at)netgroup(dot)dk> |
| Cc: | pgsql-general(at)postgresql(dot)org |
| Subject: | Re: Index optimization ? |
| Date: | 2005-01-15 23:20:05 |
| Message-ID: | 20050115232005.GA10957@winnie.fuhr.org |
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| Thread: | |
| Lists: | pgsql-general |
On Sat, Jan 15, 2005 at 11:28:08PM +0100, Bo Lorentsen wrote:
> Michael Fuhr wrote:
>
> >currval() is volatile. See "Function Volatility Categories" in the
> >"Extending SQL" chapter of the documentation and search the list
> >archives for past discussion of currval()'s volatility.
> >
> Hmm, I can't find that chapter in the 7.4 manual, or am I looking the
> wrong place ? I really like to understand this !
Sorry...apparently that section is in the development documentation
but not in the 7.x doc. Tom Lane posted the link but here it is
again:
http://developer.postgresql.org/docs/postgres/xfunc-volatility.html
--
Michael Fuhr
http://www.fuhr.org/~mfuhr/
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