Conver bool to text

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От Edmund Bacon
Тема Conver bool to text
Дата
Msg-id 4231CE01.2090902@onesystem.com
обсуждение исходный текст
Список pgsql-sql
Is there a way to convert a boolean value to text and/or vice versa?

You can select 'true'::boolean,
which *seems* to convert a text string to boolean, but select 'true'::text::boolean
earns the message ERROR:  cannot cast type text to boolean

You can't go the other way eitherSELECT true::textERROR:  cannot cast type boolean to text

and to_char() doesn't know about booleans.

It's not that difficult to write a fuction to convert boolean to text, 
but I'm wondering if there's already something that does this?

-- 
Edmund Bacon <ebacon@onesystem.com>



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