Re: char(0)

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От Andreas Pflug
Тема Re: char(0)
Дата
Msg-id 4E9C3E94.3020509@pse-consulting.de
обсуждение исходный текст
Ответ на Re: char(0)  (Thomas Kellerer <spam_eater@gmx.net>)
Ответы Re: char(0)
Re: char(0)
Re: char(0)
Список pgsql-bugs
Am 17.10.11 10:53, schrieb Thomas Kellerer:
> Susanne Ebrecht, 17.10.2011 09:31:
>> Hello,
>>
>> I couldn't find that somebody already mentioned it.
>>
>> PostgreSQL isn't supporting CHAR(0).
>>
>> An empty string has a length of 0.
>>
>> CHAR(0) can have two values: NULL and empty string.
>>
>> In MySQL it is very common to simulate not null boolean
>> by using CHAR(0).
>>
>> This is a little bit annoying on migration topics.
>
> While not move on to a cleaner approach during the migration and use a
> "boolean not null"?

Sounds much too straight forward, not mysql-ish artistic enough...

Regards,
Andreas

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