Re: Lexical question...

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От
John DeSoi
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Re: Lexical question...
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Msg-id
71F80564-3D58-11D9-AAD7-000A95B03262@pgedit.com
Ответ на
Lexical question... (Net Virtual Mailing Lists)
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Lexical question... "Net Virtual Mailing Lists" <mailinglists@net-virtual.com>
Re: Lexical question... "Net Virtual Mailing Lists" <mailinglists@net-virtual.com>
Re: Lexical question... John DeSoi <desoi@pgedit.com>
Re: Lexical question... Michael Fuhr <mike@fuhr.org>

On Nov 23, 2004, at 5:33 AM, Net Virtual Mailing Lists wrote:

> I have a table with a timestamp column and I want to set this to a 
> value
> of now() - a random number of days between 0 and 45 for each row... 
> I've
> tried to do this a bunch of different ways and can't figure it out...
> Here is my latest version:
>
>
> update sometable set entered_dt = now() - interval 
> round(random()*45)||'
> days';
>

Try

select now() - ((round(random()*45))::text || ' days')::interval;

Best,

John DeSoi, Ph.D.
http://pgedit.com/
Power Tools for PostgreSQL


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