Re: Datum should be defined outside postgres.h

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От Zdenek Kotala
Тема Re: Datum should be defined outside postgres.h
Дата
Msg-id 4720B3A8.4010406@sun.com
обсуждение исходный текст
Ответ на Re: Datum should be defined outside postgres.h  (Tom Lane <tgl@sss.pgh.pa.us>)
Ответы Re: Datum should be defined outside postgres.h  (Tom Lane <tgl@sss.pgh.pa.us>)
Re: Datum should be defined outside postgres.h  (Zdenek Kotala <Zdenek.Kotala@Sun.COM>)
Список pgsql-hackers
Tom Lane wrote:
> Zdenek Kotala <Zdenek.Kotala@Sun.COM> writes:
>> I fixed it for zic, but problem with ecpg is that it includes 
>> nodes/primnodes.h and it requires Datum type definition which is defined 
>> in postgres.h. :(
> 
> Why in the world is ecpg including either primnodes.h or postgres.h?

The problem is that ecpg shares parser.c source code and this code 
includes postgres.h.

>> By my opinion Datum should be defined in separate file and all headers 
>> which use this type should include it. (this is problem on many places 
>> with another types). Another question is why ecpg needs it?
> 
> Datum is a type that no frontend code has any business dealing in;
> and the same goes for everything in primnodes.h.
> 
> I'd suggest trying to fix ecpg to not depend on backend-only include
> files...

Yes, agree. I'm now testing my fix. I removed postgres.h from parser.c + 
performed some other changes around.

    Zdenek


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