* Betr.: " Re: [tryton-dev] Statement Import" (Thu, 25 Oct 2012 17:37:12 +0200):
> On 25/10/12 16:48 +0200, Mathias Behrle wrote:
> > * Betr.: " Re: [tryton-dev] Statement Import" (Thu, 25 Oct 2012 12:04:03
> > +0200):
> >
> > > If this is really what can happen (not in Belgium (knonw for its banks
> > > :-) because you can not retreive twice the same statement) than there
> > > is a problem in the workflow. You must have a way to retrieve statements
> > > that were not yet retreived otherwise there is no way to ensure
> > > correctness.
> >
> > Just answering to this point only because I am lacking the time to take
> > part in the whole discussion:
> >
> > You don't use banking programs in Belgium? AFAIK each serious banking
> > software has the ability to export statements belonging to random periods.
> > It is absolutely necessary to have a reliable mechanism to detect
> > duplicates resp. the correct sequence, if import files should overlap. The
> > same way you must recognize, if there is a gap between imports.
>
> I know what I'm talking about. I worked 2 years in a bank.
> First of all, in belgium asking for a statement you already received is
> charged by the bank. And a bank should not send you twice the same
> statement by default, this is very basic logici if they don't want
> customer complaints.
> Second, detect duplicates could not be generic, again it will depend on
> each format. I'm pretty that each standard format that exists will have
> a unique reference for the statement and that this statement could not
> contains duplicates lines.
PLease re-read. I talked about exports from a banking software. And sorry, no,
there is no unique reference despite all assumptions one would make
(specifically talking about format MT940, which is a very current exchange
format in Germany).
--
Mathias Behrle
MBSolutions
Gilgenmatten 10 A
D-79114 Freiburg
Tel: +49(761)471023
Fax: +49(761)4770816
http://m9s.biz
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