| From: | Martin Marques <martin(at)bugs(dot)unl(dot)edu(dot)ar> |
|---|---|
| To: | "Chris Travers" <chris(at)travelamericas(dot)com>, "Doug McNaught" <doug(at)mcnaught(dot)org> |
| Cc: | <pgsql-general(at)postgresql(dot)org> |
| Subject: | Re: plpgsql string concatanation |
| Date: | 2003-11-28 14:25:40 |
| Message-ID: | 200311281125.40792.martin@bugs.unl.edu.ar |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-general |
El Vie 28 Nov 2003 10:38, Chris Travers escribió:
> One thing that I always have to remind myself of is this:
>
> string || NULL is NULL.
> It is usually a good idea to use coalesce() unless you want this to happen.
Pretty nice. :-)
Even though I don't have that problem, becuase the value comes from a PK
field.
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Martín Marqués | select 'mmarques' || '@' || 'unl.edu.ar'
Centro de Telematica | DBA, Programador, Administrador
Universidad Nacional
del Litoral
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