Re: Slowness of extended protocol

On Sun, Aug 7, 2016 at 7:46 PM, Shay Rojansky <roji@roji.org> wrote:
> We could call this "protocol 3.1" since it doesn't break backwards
> compatibility (no incompatible server-initiated message changes, but it does
> include a feature that won't be supported by servers which only support 3.0.
> This could be a sort of "semantic versioning" for the protocol - optional
> new client-initiated features are a minor version bump, others are a major
> version bump...

I wouldn't try to do that; we've done nothing similar in past
instances where we've added new protocol or sub-protocol messages,
which has happened at least for COPY BOTH mode within recent memory.
See d3d414696f39e2b57072fab3dd4fa11e465be4ed.

> This new client-initiated message would be similar to query, except that it
> would include the parameter and result-related fields from Bind. The
> responses would be identical to the responses for the Query message.
>
> Does this make sense?

I think so.

-- 
Robert Haas
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