Re: [HACKERS] A small problem with the new inet and cidr types

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От Hannu Krosing
Тема Re: [HACKERS] A small problem with the new inet and cidr types
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Msg-id 363F0078.92A6348E@trust.ee
обсуждение исходный текст
Ответ на Re: [HACKERS] A small problem with the new inet and cidr types  (darcy@druid.net (D'Arcy J.M. Cain))
Ответы Re: [HACKERS] A small problem with the new inet and cidr types
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D'Arcy J.M. Cain wrote:
> 
> There may be cases where a function of a null is not null as some people
> have pointed out but so far no one has come up with a practical example.

isnull(field)

is_any_null(field1,field2,field3)

are_all_nulls(field1,field2,field3)

value_or_default(NULL,defaultvalue)

---------
Hannu


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