Hello,
here's a django/python newbie problem, which I could not resolve after
spending some time with reading and testing.
Assuming a method in my models.py
class VMergeDocsInfo(models.Model):
......
def by_categories(self):
from django.db import connection
cursor = connection.cursor()
cursor.execute("SELECT DISTINCT doc_title FROM t_merge_docs")
return [row for row in cursor.fetchall()]
... and following code in the views.py
def show_categories(request, col, direction):
paginate_by = 15
paginator =
ObjectPaginator(VMergeDocsInfo.objects.all().by_categories(),
paginate_by)
produces:
AttributeError Exception
Value: 'QuerySet' object has no attribute 'by_categories'
ok, let's go further:
def show_categories(request, col, direction):
paginate_by = 15
paginator =
ObjectPaginator(VMergeDocsInfo.objects.all()[0].by_categories(),
paginate_by)
objects = paginator.get_page(page)
return render_to_response('show_categories/index.html', {'objects':
objects })
.. (what means the '[0]') after .all?) shows the paginated table in the
mentioned way but leads to another problem:
....
return render_to_response('show_categories/index.html', {'objects':
objects, 'hits' : paginator.hits })
TypeError Exception
Value: count() takes exactly one argument (0 given)
Every access to the paginator attributes results in this exception.
Where's the crux, what am I doing wrong?
Thank you in advance,
robert
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