Re: Questions about my ifnull function

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От Bruno Wolff III
Тема Re: Questions about my ifnull function
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Msg-id 20030923201539.GA17528@wolff.to
обсуждение исходный текст
Ответ на Questions about my ifnull function  (Steve Crawford <scrawford@pinpointresearch.com>)
Список pgsql-general
On Tue, Sep 23, 2003 at 12:58:03 -0700,
  Steve Crawford <scrawford@pinpointresearch.com> wrote:
> Having a requirement to change null into a certain value in a query I
> created a couple versions of an ifnull function as follows:
>
> 1. Did I overlook a better builtin function?

COALESCE is the standard way to do this.

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