Re: To dynamically bind, or not?

James Kanze <>
Thu, 20 Jan 2011 08:49:45 -0800 (PST)
On Jan 20, 2:54 pm, "Alf P. Steinbach /Usenet" <alf.p.steinbach> wrote:

* Dom Bannon, on 20.01.2011 15:14:

The architecture is very straightforward. I've defined a class which
is the basic record, and I make a std::set of these records (a few
million of them) when I read in the CSV file. This set is the central
data structure, and I pass a reference to this set to my database read
and write functions, and to the search functions. The records are
different in the 2 programs, but about half the fields are common; one
of them is 60 bytes when coded on disk (recordA), and the other is 72
bytes (recordB).



How? Dependent on what?

In my experience, this sort of problem is generally best handled
by an external code generator. Depending on the context, you
either define a very simple format, which you parse to generate
the C++ structs/classes and the SQL data base format, or you
extract the model from the data base, and parse it. The
generated code will contain not only the data members, but also
the SQL requests (or at least parts of them) needed to read and
write the data.

James Kanze

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