From: | Florian Weimer <fweimer(at)bfk(dot)de> |
---|---|
To: | Florian Pflug <fgp(at)phlo(dot)org> |
Cc: | pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: Wire protocol: type-specific opt-in to binary format |
Date: | 2011-11-24 14:04:06 |
Message-ID: | 82bos1bort.fsf@mid.bfk.de |
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Lists: | pgsql-hackers |
* Florian Pflug:
> On Nov24, 2011, at 10:03 , Florian Weimer wrote:
>> I would like to add functionality which allows a client to tell the
>> server which types can be sent in binary format. The immediate goal is
>> to suppress hex quoting for BYTEA values, but it seems to make sense to
>> make this functionality more general.
>
> If you use the extended query protocol, the client can already choose
> text vs. binary representation on a per-column basis. You can query
> the result's column types by issuing a Describe message after the
> Parse message. For each column you can then decide whether you want
> textual or binary representation, and include that choice in the
> subsequent Bind message.
Interesting. Doesn't this introduce another roundtrip?
--
Florian Weimer <fweimer(at)bfk(dot)de>
BFK edv-consulting GmbH http://www.bfk.de/
Kriegsstraße 100 tel: +49-721-96201-1
D-76133 Karlsruhe fax: +49-721-96201-99
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