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Re: Possible TODO item: copy to/from pipe

From: "Dave Page" <dpage(at)vale-housing(dot)co(dot)uk>
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: 2006-05-31 15:48:12
Message-ID: E7F85A1B5FF8D44C8A1AF6885BC9A0E4013885E9@ratbert.vale-housing.co.uk (view raw or flat)
Thread:
Lists: pgsql-hackers
 

> -----Original Message-----
> From: pgsql-hackers-owner(at)postgresql(dot)org 
> [mailto:pgsql-hackers-owner(at)postgresql(dot)org] On Behalf Of Andreas Pflug
> Sent: 31 May 2006 16:41
> Cc: Tom Lane; pgsql-hackers(at)postgresql(dot)org
> Subject: Re: [HACKERS] Possible TODO item: copy to/from pipe
> 
> Andreas Pflug wrote:
> 
> > 
> > Won't help too much, until gzip's output is piped back too, so a 
> > replacement for COPY .. TO STDOUT COMPRESSED  would be
> > COPY ... TO '| /bin/gzip |' STDOUT, to enable clients to 
> receive the 
> > reduced stuff.
> 
> Forgot to mention:
> COPY COMPRESSED was also meant to introduce a portable format that's 
> efficient for both text and binary data. Relying on some 
> external XYZzip 
> version seems not too portable to me.

It does have that advantage. Gzip and others are not particularly
Windows friendly for example.

Regards, Dave.


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