From: Oliveiros d'Azevedo Cristina <oliveiros.cristina@marktest.pt>
To: Gary Stainburn <gary.stainburn@ringways.co.uk>
To: pgsql-sql@postgresql.org
Subject: Re: generated dates from record dates - suggestions
Date: Mon, 20 Aug 2012 15:19:58 +0100
Message-ID: <90C447DC256446F3A7143ECD343F17C0@marktestcr.marktest.pt> (raw)
References: <201208201317.46588.gary.stainburn@ringways.co.uk>
With a CASE ... WHEN statement?
Best,
Oliver
----- Original Message -----
From: "Gary Stainburn" <gary.stainburn@ringways.co.uk>
To: <pgsql-sql@postgresql.org>
Sent: Monday, August 20, 2012 1:17 PM
Subject: [SQL] generated dates from record dates - suggestions
> Hi folks.
>
> I've got a table with three dates which are populated from an external
> source.
> I then want to have a view with two calculated dates in it, e.g.
>
> if date_1 is null and date_2 is null then date_a=NULL
> if date_1 is not null and date 2 is null then date_a=date_1+'90 days'
> if date_1 > date3 rhen date_b=date1 else date_b=date2
> etc.
>
> What's the best way to do this?
>
> I know it's a quite open question but I'm interested to hear different
> responses
>
>
> --
> Gary Stainburn
> Group I.T. Manager
> Ringways Garages
> http://www.ringways.co.uk
>
>
> --
> Sent via pgsql-sql mailing list (pgsql-sql@postgresql.org)
> To make changes to your subscription:
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To: pgsql-sql@postgresql.org
Cc: oliveiros.cristina@marktest.pt, gary.stainburn@ringways.co.uk
Subject: Re: generated dates from record dates - suggestions
In-Reply-To: <90C447DC256446F3A7143ECD343F17C0@marktestcr.marktest.pt>
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