Re: NOT EXIST for PREPARE

Vladimir Sitnikov <sitnikov.vladimir@gmail.com> writes:
> Tom>If you think that's not a protocol change, you are mistaken.  It
> Tom>changes a behavior that's specified in the protocol documentation.

> Even if it requires documentation, this particular change will work seamlessly
> across existing implementations of v3 protocol.

No, because it would break applications that are not expecting prepared
statement names starting with '__' to work differently than they did
before.  Not to mention that the whole idea of that being a semantically
significant property of a name is a monstrous kluge.
        regards, tom lane