[GNC] OFX Importer Matching: too many false positives in matching with repeated transactions

[David Cousens]

Milan,

The reconcile and import matcher windows use different code even though
there are some similarities in identifying matching transactions.

Which version of the matching are you using in the importer (see
Edit->Preferences-Online Banking and the bayesian matching checkbox)?

The importer matches on the basis of "tokens" for the data in the
transaction fields. Repeated transactions with the same amount from the same
source tend to get matched even though the dates are "wrong". As dates
between manually entered data and data imported from a bank may very
considerably, the developers seem to have erred on the side of making it
likely to pick up any possible matching transaction to avoid duplicating
transactions. I don't think the current methodology has any way of knowing
about the period of repeated transactions. It may be possible as a future
development if for example some specific transaction sources could be
flagged as periodic and  tokens developed to flag this and the expected
periodicity.

If you think this is needed raise a feature request at bugs.gnucash.org.

David Cousens



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David Cousens
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