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Re: Possible TODO item: copy to/from pipe

From: Andreas Pflug <pgadmin(at)pse-consulting(dot)de>
To: Chris Browne <cbbrowne(at)acm(dot)org>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: Possible TODO item: copy to/from pipe
Date: 2006-05-31 18:13:23
Message-ID: 447DDCC3.7040304@pse-consulting.de (view raw or flat)
Thread:
Lists: pgsql-hackers
Chris Browne wrote:
> pgadmin(at)pse-consulting(dot)de (Andreas Pflug) writes:
> 
>>Dave Page wrote:
>>
>>>>-----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.
>>
>>... as most windows programs are pipe agnostic.
> 
> 
> Shall we make PostgreSQL less powerful because of that?

I never said that. We shall seek solutions that run painless on most 
popular platforms are useful to users.
I wonder if we'd be able to ship gzip with the windows installer, to 
insure proper integration.

Regards,
Andreas

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