Re: ERROR: value too long for type character

From: Stephan Szabo <sszabo(at)megazone23(dot)bigpanda(dot)com>
To: Doug Fields <dfields-pg-general(at)pexicom(dot)com>
Cc: Neil Conway <nconway(at)klamath(dot)dyndns(dot)org>, <pgsql-general(at)postgresql(dot)org>
Subject: Re: ERROR: value too long for type character
Date: 2002-05-22 00:49:08
Message-ID: 20020521174657.R28822-100000@megazone23.bigpanda.com
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On Tue, 21 May 2002, Doug Fields wrote:

>
> > > Do you know how I can tell it to "silently truncate" the data as I believe
> > > it used to?
> >
> >Is there a reason you can't just use TEXT? It will be stored the same
> >internally...
>
> The only reason being that I don't want to waste space storing arbitrarily
> long pieces of information.
>
> I was not aware that TEXT is just as (in)efficient as VARCHAR, though. If
> that is truly the case, I will consider using TEXT in some places, but only
> when I am very careful in the INSERT and UPDATE clauses so as not to store
> too long things.
>
> >But the most obvious way I can think of to do what you're asking is
> >to define a rule to replace the value inserted with a call to
> >substring().
>
> So, basically:
>
> 1) There's absolutely no way to get back the 7.1.3 "silent truncation"
> behavior (which is, IMO, stupid, I like the non-standard truncation behavior)

You could do this via a text column and a before trigger which might work
better than a rule, but I haven't tried either, so...

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