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From: Alvaro Herrera <alvherre@commandprompt.com>
To: Raimon Fernandez <coder@montx.com>
Cc: pgsql-general@postgresql.org
Subject: Re: Implementing Frontend/Backend Protocol TCP/IP
Date: Tue, 27 Oct 2009 10:44:54 -0300
Message-ID: <20091027134454.GC4876@alvh.no-ip.org> (raw)
In-Reply-To: <9A9F2678-36B9-42A2-91B2-69076065E8EB@montx.com>
References: <92781008-8A70-42CE-A49B-6EE67103FACB@montx.com>
	<FC6CBC8C-A398-4835-B3A3-C16C6F4F62D9@pgedit.com>
	<E084987E-A212-4B70-8CFF-D83AA00629C5@montx.com>
	<C670629A-1E54-4F80-9497-6CCAC1A8BDC0@montx.com>
	<20091026231516.GN8812@alvh.no-ip.org>
	<4AE62E21.7040600@hogranch.com>
	<66F15D69-75E5-4D8E-84F8-2F21E09BBA98@pgedit.com>
	<9A9F2678-36B9-42A2-91B2-69076065E8EB@montx.com>

Raimon Fernandez wrote:

> I receive string data, I suppose it's text data.
> 
> I can parse the data received, search for a B.

You don't search for a B.  You search for an S.  The B in the
documentation you quote indicates that this message can be sent by the
backend only.  You'll notice others have an F (sent by frontend only)
and some have F & B.

> Documentation:
> -----------------------------------------------------------------------------
> ParameterStatus (B)
> Byte1(’S’)
> Identifies the message as a run-time parameter status report.
> Int32
> Length of message contents in bytes, including self.
> String
> The name of the run-time parameter being reported.
> String
> The current value of the parameter.


-- 
Alvaro Herrera                                http://www.CommandPrompt.com/
The PostgreSQL Company - Command Prompt, Inc.



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