Re: Start with [ , end with )

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От Jonathan S. Katz
Тема Re: Start with [ , end with )
Дата
Msg-id 73E74C0B-CE76-4E7F-BBE6-545EFC9582D1@postgresql.org
обсуждение исходный текст
Ответ на Re: Start with [ , end with )  (Mike Toews <mwtoews@gmail.com>)
Список pgsql-docs
> On Apr 23, 2018, at 8:37 PM, Mike Toews <mwtoews@gmail.com> wrote:
>
> On 24 April 2018 at 01:00, PG Doc comments form <noreply@postgresql.org> wrote:
>> 8.17.2. Examples
>>
>> CREATE TABLE reservation (room int, during tsrange);
>> INSERT INTO reservation VALUES
>>    (1108, '[2010-01-01 14:30, 2010-01-01 15:30)');
>>               ^                                                         ^
>> While not an Error, still...
>
> See 8.17.3. Inclusive and Exclusive Bounds
>
> This is an example with an inclusive lower bound "[" and an exclusive
> upper bound ")”.

When dealing with date/time ranges, it’s a very common use case to have
an inclusive lower-bound and exclusive upper-bound, especially when
dealing with scheduling.

Jonathan



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