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Re: Possible TODO item: copy to/from pipe

From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: Andreas Pflug <pgadmin(at)pse-consulting(dot)de>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: Possible TODO item: copy to/from pipe
Date: 2006-06-04 00:12:05
Message-ID: 200606040012.k540C5V29587@candle.pha.pa.us (view raw or flat)
Thread:
Lists: pgsql-hackers
Andreas Pflug wrote:
> Tom Lane wrote:
> > After re-reading what I just wrote to Andreas about how compression of
> > COPY data would be better done outside the backend than inside, it
> > struck me that we are missing a feature that's fairly common in Unix
> > programs.  Perhaps COPY ought to have the ability to pipe its output
> > to a shell command, or read input from a shell command.  Maybe something
> > like
> > 
> > 	COPY mytable TO '| gzip >/home/tgl/mytable.dump.gz';

For use case, consider this:

 	COPY mytable TO '| rsh x(at)y(dot)com > test ';

so you can COPY to another server directly.

-- 
  Bruce Momjian   http://candle.pha.pa.us
  EnterpriseDB    http://www.enterprisedb.com

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

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