From: inkle c <inkle99@yahoo.com>
To: prlw1@cam.ac.uk
Cc: pgsql-interfaces@postgreSQL.org
Subject: Re: [INTERFACES] libpq++ ---- PgDatabase instance problem
Date: Fri, 20 Aug 1999 06:38:39 -0700 (PDT)
Message-ID: <19990820133839.10526.rocketmail@web504.yahoomail.com> (raw)
Well, this is where the problem comes because PgDatabase() is a
protected constructor, myclass doesn't inherit from PgDatabase. In
simple words:
==============================================
class myclass {
public:
myclass();
private:
PgDatabase db;
}
myclass::myclass():db(NULL){
some-other-stuff-goes-here
};
===============================================
the above codes causes me trouble as I described
below, any ideas how to fix it? I also tried
PgDatabase db as a global variable and init it to
be NULL, but this causes the same problem.
Thanks.
inkle
--- Patrick Welche <prlw1@newn.cam.ac.uk> wrote:
> inkle c wrote:
> >
> > Hi,
> >
> > I am writing a small class which has a PgDatabase
> > instance as its private member, and in the
> constructor,
> > I init it to be NULL (i.e.,
> > myclass::myclass():PgDatabaseInstanceMember(NULL)
> ), this causes a core
> > dump, what's wrong with that?
>
> I'm not too sure what you want, but how about
>
> myclass::myclass():PgDatabase()
>
> ?
>
> Cheers,
>
> Patrick
>
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To: pgsql-interfaces@postgresql.org
Cc: inkle99@yahoo.com, prlw1@cam.ac.uk
Subject: Re: [INTERFACES] libpq++ ---- PgDatabase instance problem
In-Reply-To: <19990820133839.10526.rocketmail@web504.yahoomail.com>
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