Hello
I was wondering what is the best possible way of maintaning history of
changes to the fields of models.
Like we do in Bug trackers, where we maintain a complete log of
changes to the fields.
One simple solution that came to my mind is creating a model History.
as
class History(models.Model):
model_changed = models.CharField(maxlength=255, blank=False)
old_data = models.TextField(blank=False)
created = models.DateTimeField(auto_now = True)
Then before saving the model objects its old value get pushed in the
History.old_data in json, pickle or some other format. But this is
very bad way to do it. Because generating reports is not a simple task
when using pickled data.
You guys might have faced similar problems, can any one suggest a
better way of maintaining history.
One thing to consider here however is that models are deeply
connected with lot of relationships between them.
Thanks
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