Re: Suggested patch to plpgsql docs (7.4beta)

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От Bruce Momjian
Тема Re: Suggested patch to plpgsql docs (7.4beta)
Дата
Msg-id 200309032311.h83NBmX12468@candle.pha.pa.us
обсуждение исходный текст
Ответ на Suggested patch to plpgsql docs (7.4beta)  (Richard Huxton <dev@archonet.com>)
Ответы Re: Suggested patch to plpgsql docs (7.4beta)  (Philip Yarra <philip@utiba.com>)
Re: Suggested patch to plpgsql docs (7.4beta)  (Tom Lane <tgl@sss.pgh.pa.us>)
Список pgsql-docs
Richard Huxton wrote:
> Addition of one paragraph to the end of section 39.7.3.4 "FOR (integer
> variant)"
>
> Note that this is basically a WHILE loop, so if the lower bound is larger than
> the upper bound the loop never executes it's contents:
>   FOR i IN 10..1 LOOP
>     RAISE NOTICE ''I do not raise a notice %'',i;
>   END LOOP;
>
> I wasn't sure and had to check, so I assume others might find this useful too.

I figured everyone would assume that.  I know of no language that will
execute a loop listed as 10 ... 1.

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