Re: what is the best way to concat fields that may contain null as if they were empty strings - Mailing list pgsql-general

From Andreas Kretschmer
Subject Re: what is the best way to concat fields that may contain null as if they were empty strings
Date
Msg-id 20091009161802.GA11724@tux
Whole thread Raw
In response to what is the best way to concat fields that may contain null as if they were empty strings  (Reid Thompson <reid.thompson@ateb.com>)
List pgsql-general
Reid Thompson <reid.thompson@ateb.com> wrote:

> In the case where a_text is null, I essentially want the same result as the case when a_text = ''.
>
> would this:
>   select a_int || coalesce(a_text,'') from test1 where a_int = 1000002;
> be the proper way?

Yes.

Andreas
--
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