Re: [PATCH] COPY .. COMPRESSED - Mailing list pgsql-hackers

From Claudio Freire
Subject Re: [PATCH] COPY .. COMPRESSED
Date
Msg-id CAGTBQpYif1G2=7U5xL3Ky5kNLhZL=_TLKGbE1VzkAMT7ft+mmA@mail.gmail.com
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In response to Re: [PATCH] COPY .. COMPRESSED  (Stephen Frost <sfrost@snowman.net>)
Responses Re: [PATCH] COPY .. COMPRESSED
List pgsql-hackers
On Tue, Jan 15, 2013 at 1:08 PM, Stephen Frost <sfrost@snowman.net> wrote:
> Where it does work well is when you move into a bulk-data mode (ala
> COPY) and can compress relatively large amounts of data into a smaller
> number of full-size packets to be sent.

Well... exactly. COPY is one case, big result sets is another.
And packet headers can include whether each packet is compressed or
not, which is quite transparent and easy to handle. There could even
be a negotiation phase and make it backwards-compatible.



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