Re: ANY

Поиск
Список
Период
Сортировка
От Alban Hertroys
Тема Re: ANY
Дата
Msg-id 46E0232E.3090203@magproductions.nl
обсуждение исходный текст
Ответ на Re: ANY  (Richard Huxton <dev@archonet.com>)
Ответы Re: ANY  (Tom Lane <tgl@sss.pgh.pa.us>)
Список pgsql-general
Richard Huxton wrote:
> Alban Hertroys wrote:
>>
>> SELECT * FROM gdp WHERE NULL IS NOT ANY(y1970, y1971, y1972);

> AFAIK there are two variants of ANY()
>   1. sets
>   2. arrays
>
> So you should be able to do:
>   ... WHERE x = ANY( ARRAY[a, b, c] )

But then the documentation isn't entirely correct. It suggests that it
works similar to IN, but it doesn't.

> Of course, where x is NULL, I don't think that'll help you (x = NULL
> returns NULL). Oh, and you couldn't have nulls in arrays before 8.2 iirc.

Well, as ANY allows the use of an operator, I figured you could use IS
NULL with it.


--
Alban Hertroys
alban@magproductions.nl

magproductions b.v.

T: ++31(0)534346874
F: ++31(0)534346876
M:
I: www.magproductions.nl
A: Postbus 416
   7500 AK Enschede

// Integrate Your World //

В списке pgsql-general по дате отправления:

Предыдущее
От: "Max Zorloff"
Дата:
Сообщение: Connection pooling
Следующее
От: RC Gobeille
Дата:
Сообщение: tsearch2 anomoly?