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Re: [HACKERS] \x output blowing up

From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: Martijn van Oosterhout <kleptog(at)svana(dot)org>
Cc: PostgreSQL-patches <pgsql-patches(at)postgresql(dot)org>
Subject: Re: [HACKERS] \x output blowing up
Date: 2005-09-27 16:32:14
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Lists: pgsql-hackerspgsql-patches
Martijn van Oosterhout wrote:
-- Start of PGP signed section.
> On Sat, Sep 24, 2005 at 07:18:16PM -0400, Bruce Momjian wrote:
> > 
> > Well, it seems we are going to have to fix it somehow for 8.1.  It is
> > not crashing here so I can't work up a patch.  Can you submit a minimal
> > fix for 8.1?  Thanks.
> Ah, it would only happen if your encoding was UTF-8 since that's the
> only case psql handles differently. I've attached a patch which fixes
> it. With a bit more rearrangement you could probably simplify it a bit
> but this works.

Fixed. You were right that the use of cell_w was incorrect for
non-numeric values (UTF8), and in fact was just too fragile to use.

I redesigned format_numeric_locale() to return an allocated result,
which removed this problem and simplified the code too.

Patch attached and applied.

  Bruce Momjian                        |
  pgman(at)candle(dot)pha(dot)pa(dot)us               |  (610) 359-1001
  +  If your life is a hard drive,     |  13 Roberts Road
  +  Christ can be your backup.        |  Newtown Square, Pennsylvania 19073

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