Re: bit operations

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От merlyn@stonehenge.com (Randal L. Schwartz)
Тема Re: bit operations
Дата
Msg-id m1d77gzkn2.fsf@halfdome.holdit.com
обсуждение исходный текст
Ответ на Re: bit operations  (Oliver Vecernik <vecernik@aon.at>)
Список pgsql-general
>>>>> "Oliver" == Oliver Vecernik <vecernik@aon.at> writes:

>> Say I wanna check if 8 (1xxx) and 2 (xx1x) is set, how do I do that?!

Oliver> Sorry, I didn't read the whole question first:

Oliver> select * from table where ((flags & 8) <> 0) and ((flags & 2) <> 0);

In the old days, we spelled that as flags & 10 = 10. :)  Wouldn't that
work just as well?

--
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