Hi Jirka, Am 01.03.2011 21:44, schrieb Jirka Vejrazka:
this does not seem to me like something you would be able to do using SQL (or Django ORM) only. I would guess that you'll have to write a bit of Python code that will walk through the entries and detect those that are different from "previous"
Many thanks for your reply and for pointing this out!For better performance, I had hoped that there is a way to eliminate the unwanted rows in the database instead of Python code, but doing the filtering for "changes" now in Python code in fact solved the problem quite nicely. :-)
Best regards, Carsten
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