[HACKERS] How to debug the wire protocol?

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От Rui Pacheco
Тема [HACKERS] How to debug the wire protocol?
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Msg-id A7C21A83-ED92-4367-B49C-C6E04A94C3E6@gmail.com
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Ответы Re: [HACKERS] How to debug the wire protocol?  (Pavel Stehule <pavel.stehule@gmail.com>)
Re: [HACKERS] How to debug the wire protocol?  (Tom Lane <tgl@sss.pgh.pa.us>)
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Hello,

I’ve sent a similar email to the general mailing list but got no reply.

I’m trying to write my own implementation of the wire protocol. I’m stuck at the Parse message where I send it to the
serverbut always get the following error: “Could not parse statement invalid string in message” 

Is there a way to see how Postgres parses the message? I’ve set logging to DEBUG5 but the only thing I can see in the
logsis, among other things, the message 

ERROR:  invalid string in message
FATAL:  invalid frontend message type 63

What is exactly wrong? Is there a way to log the parsing of the message, or should I create my own build of postgres
withlog statements where I need them? 

Many thanks,


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