Simple PG Sql question (i hope)

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От Tony Caduto
Тема Simple PG Sql question (i hope)
Дата
Msg-id 42F7AD2C.2060903@amsoftwaredesign.com
обсуждение исходный текст
Ответ на Updating timestamps  (Nigel Horne <njh@bandsman.co.uk>)
Ответы AMD 64 RPM?
Re: Simple PG Sql question (i hope)
Список pgsql-general
I have a simple query:

select true,78,'Here is a value' as stringfield, testname from tbltest;

it returns:
true as bool
 78 as int4
and the string 'Here is a value' as Unknown

Why is it that all the values besides the string come back with the
correct type?
what is a simple string being returned as unknown instead of varchar or
text?


Thanks,

Tony

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