Rails - Jan 2006 - PGconn class doesn''t recognize all the function export from postgres.so

Hi, 

I''m trying to write a new postgresql adapter which
interited the old postgres adapter and I try to use
the PGconn class, But I find out I can''t access to
some of the exported functions in postgres.so (I''m
using LINUX) In fact, only the methode export with
rb_define_singleton_method can be used, only function
s exported with rb_define_method, the PGconn ruby
class doesn''t recognise it as the function. when I
export all the methods name of PGconn class, I can
only see the methods exported with
rb_define_singleton_method. 

Can someone know why????

Thanks you very much

Saiho

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