Re: casting BOOL to somthng
От | Stephan Szabo |
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Тема | Re: casting BOOL to somthng |
Дата | |
Msg-id | 20040831222407.W57281@megazone.bigpanda.com обсуждение исходный текст |
Ответ на | Re: casting BOOL to somthng (sad <sad@bankir.ru>) |
Ответы |
Re: casting BOOL to somthng
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Список | pgsql-sql |
On Wed, 1 Sep 2004, sad wrote: > On Tuesday 31 August 2004 17:49, Michael Glaesemann wrote: > > On Aug 31, 2004, at 8:24 PM, sad wrote: > > > and i am still desire to know _WHY_ there are no predefined cast for > > > BOOL ? > > > and at the same time there are predefined casts for INT and FLOAT...... > > > > I think the main reason is what is the proper textual representation of > > BOOLEAN? True, PostgreSQL returns 't' as a representation for the > > BOOLEAN value TRUE, but some people might want it to return 'TRUE' or > > 'true' or other representations. Picking one is perhaps arbitrary. > > There are many (infinite number) of INT representations, > "Picking one is perhaps arbitrary." But you poke one and using it. There's a fairly accepted convention for integer representations. There's no such convention for boolean representations.
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