Chapman Flack <chap@anastigmatix.net> writes:
> This stimulates a question for me.
> Not just libpq, but all drivers implemented in whatever language, if they
> wish to support binary protocol, depend on knowing what the committed
> send/recv wire formats are for whichever types they mean to support.
> In the current state of affairs, what's considered the ur-source of that
> information?
The source code for the type's send/receive functions :-(. One could
wish for something better, but no one has stepped up to produce such
documentation.
regards, tom lane