Re: [Firebird-devel] Reference counters in API - was Re: Providers, yvalve, external engines and object lifecycle

[Alex P. <pes...@ma...>]

 On 03/31/11 00:18, Adriano dos Santos Fernandes wrote:
> On 30-03-2011 17:09, Vlad Khorsun wrote:
>>>>     Therefore it will be very desirable to add queryInterface to the our base interface,
>>>> even empty or raising notImplemented error. IUnknown *is* industry standard, despite
>>>> of our wish to accept it.
>>>>
>>>>     Simple Delphi wrappers could be written to deal with reference counters but
>>>> i prefer to add queryInterface to the our interfaces.
>>>>
>>> No, it's not desirable to add bogus method to our interface. 
>>     Make it not bogus
>>
> Then go months ago and re-discuss the versioning approach.

I do not see why presence of queryInterface() is incompatible with our
version upgrade mechanism. Therefore if really need so much to have
binary compatibility with IUnknown - we can add it.