Re: Add generate_series(numeric, numeric)
От | Ali Akbar |
---|---|
Тема | Re: Add generate_series(numeric, numeric) |
Дата | |
Msg-id | CACQjQLpn-+--2s7nTPABeMfs0SGeV_0=Ww+BgDwp1dUzaL5PFQ@mail.gmail.com обсуждение исходный текст |
Ответ на | Re: Add generate_series(numeric, numeric) (Fujii Masao <masao.fujii@gmail.com>) |
Ответы |
Re: Add generate_series(numeric, numeric)
|
Список | pgsql-hackers |
2014-12-18 19:35 GMT+07:00 Fujii Masao <masao.fujii@gmail.com>:
I'm OK with this.On Mon, Dec 15, 2014 at 2:38 PM, Andrew Gierth
<andrew@tao11.riddles.org.uk> wrote:
> I was thinking something like this, added just after that para:
>
> <warning>
> <para>
> While the actual arguments to the function remain unchanged between
> calls, if you detoast the argument values (which is normally done
> transparently by the
> <function>PG_GETARG_<replaceable>xxx</replaceable></function> macro)
> in the transient context then the detoasted copies will be freed on
> each cycle. Accordingly, if you keep references to such values in
> your <structfield>user_fctx</>, you must either copy them into the
> <structfield>multi_call_memory_ctx</> after detoasting, or ensure
> that you detoast the values only in that context.
> </para>
> </warning>
Wrapping the doc changes in a patch. Will add to next commitfest so it won't be lost.
--
Ali Akbar
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