Bruce Momjian wrote:
> Tom Lane wrote:
> > Martijn van Oosterhout <kleptog@svana.org> writes:
> > > About the ReportSyntaxErrorPosition thing, it was considered at the
> > > time (can't find the email right now) that control characters would be
> > > problematic but it wouldn't break anything that wasn't broken already.
> > > How tab was missed I don't know, nor a couple of other failures cases
> > > I've thought of since. Thanks for fixing that.
> > 
> > What I was thinking of doing was making it translate any control
> > character (other than \r and \n) to a space, not only tab.  However
> > this should probably wait on the result of the discussion about whether
> > we really like the \x09 output for tabs in data ... that might yield an
> > idea that could be applied here too.
> 
> Perhaps we should just output "\009" for tab and "\xxx" for other
> control characters.  That seems the most natural.  I can't see why we
> would convert every control character to " ".

I assume everyone is happy with the next hex output so we will leave it:

        test=> select '<tab>';
         ?column?
        ----------
         \x09
        (1 row)

FYI, as of 8.1 we now accept hex in all place we accept octal.

-- 
  Bruce Momjian   http://candle.pha.pa.us
  SRA OSS, Inc.   http://www.sraoss.com

  + If your life is a hard drive, Christ can be your backup. +

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