From: | Andrew Sullivan <andrew(at)libertyrms(dot)info> |
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To: | Ian Harding <ianh(at)tpchd(dot)org> |
Cc: | jwbaker(at)acm(dot)org, pgsql-general(at)postgresql(dot)org |
Subject: | Re: 7.2 changes to varchar truncation |
Date: | 2002-01-14 22:57:25 |
Message-ID: | 20020114175725.R19866@mail.libertyrms.com |
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Lists: | pgsql-general |
On Mon, Jan 07, 2002 at 10:54:48AM -0800, Ian Harding wrote:
> This brings up an interesting question, is there a reason to specify n? In other words, what is the downside of VARCHAR compared to VARCHAR(n)?
Depends on whether you want to enforce the length. I belive that the
new behaviour is more SQL-compliant, but someone with access to the
spec might be abe to correct me.
I will have the same problem soon, so I may change all of mine to plain old VARCHAR now if it makes sense...
> >>> "Jeffrey W. Baker" <jwbaker(at)acm(dot)org> 12/31/01 02:04PM >>>
> If I have to change my datatypes to text or varchar without a limit, I'll
> have to drop and reload my databases (again), about which I plan to have a
> real bad attitude.
AFAIK, 7.2 will require this anyway. I believe it's part of the
definition of "major release" that it may require a dump and reload.
--
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Andrew Sullivan 87 Mowat Avenue
Liberty RMS Toronto, Ontario Canada
<andrew(at)libertyrms(dot)info> M6K 3E3
+1 416 646 3304 x110
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