Re: Converting yes or no to one letter strings.

Поиск
Список
Период
Сортировка
От Ron
Тема Re: Converting yes or no to one letter strings.
Дата
Msg-id b2a5e8b9-902e-bb0c-4b53-5e6ae2db464e@gmail.com
обсуждение исходный текст
Ответ на Re: Converting yes or no to one letter strings.  (Adrian Klaver <adrian.klaver@aklaver.com>)
Ответы Re: Converting yes or no to one letter strings.  (Adrian Klaver <adrian.klaver@aklaver.com>)
Список pgsql-general

On 6/4/19 7:19 PM, Adrian Klaver wrote:
> On 6/4/19 3:29 PM, Lou wrote:
>> Hi everyone,
>>
>> Is it possible to convert a boolean yes or no field to hold a one letter 
>> string? For example, the strings: 's' 'f' 'p' 'e'
>>
>> To start off, I just need to convert true to 's'. false will have to be 
>> manually changed to 'f' or 'p' or 'e' as appropriate.
>
> Why not an enum field?:
>
> https://www.postgresql.org/docs/11/datatype-enum.html

I thought enum was Considered Harmful because of the difficulty in altering 
the enums?

-- 
Angular momentum makes the world go 'round.



В списке pgsql-general по дате отправления:

Предыдущее
От: David Rowley
Дата:
Сообщение: Re: Query very different speeds on seemingly similar data
Следующее
От: Chris Withers
Дата:
Сообщение: granting right to create and delete just one database