Re: moving char() to varchar()

From: "Mitch Vincent" <mvincent(at)cablespeed(dot)com>
To: "Andrew Sullivan" <andrew(at)libertyrms(dot)com>, "PostgreSQL general list" <pgsql-general(at)postgresql(dot)org>
Subject: Re: moving char() to varchar()
Date: 2001-09-07 19:50:33
Message-ID: 008201c137d6$5b8a16b0$1e51000a@mitch
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> 1. I thought the SQL spec required varchar() not to pad. Is it
> just that, because of the way pg_dump saved the char() data (as
> blank-padded) that the varchar() field preserves the padded data?

A dump from a char() field keeps the NULL padding even in the dump file I
assume, so when you went to import it you were importing data with NULLs
attached..

> 2. I could _swear_ I did something very similar to this some
> time ago (version 6.5.x? something like that?). Am I just imagining
> things? (I'm perfectly prepared to accept that, by the way. My
> memory is about as reliable these days as the DIMM I took out of my
> PC last week. That's why I need a good DBMS like postgres!)

I can't say one way or another on that.. But I feel your pain on the memory
problems :-)

-Mitch

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