Re: Define jsonpath functions as stable

On 9/19/19 6:18 PM, Tom Lane wrote:
> "Jonathan S. Katz" <jkatz@postgresql.org> writes:
>> On 9/19/19 3:48 PM, Tom Lane wrote:
>>> Seems like
>>> the error handling in jsonpath_gram.y could use some cleanup too
>>> ... although I don't think it's a task to tackle while we're
>>> rushing to get v12 shippable.
> 
>> IIRC if we want to change the contents of an error message we wait until
>> major releases. Is there anything we can do before 12 to avoid messages
>> like "unexpected IDENT_P" coming to a user? Would that be something
>> acceptable to fix as a 12.1 or would it have to wait until 13?
> 
> I think these messages are sufficiently confusing that we could call
> it a bug fix to improve them.  As long as we don't change the SQLSTATE
> that's thrown, it's hard to claim that there's any real application
> compatibility hazard from changing them.

Great. +1 on that.

> I just don't want to call this point a release blocker.  It's not
> about changing any semantics or the set of things that work.

+100 on that.

Jonathan