- ZCatalog and indexes derived from UnIndex used a nasty implementation of __len__
which lead to problems in Zope 2.8 with new-style classes. The corresponding code
has been cleaned up. For ZCatalog instances there is an implicit migration built-in
for the __len__ attribute. For all indexes I added a manage_convertIndexes() method
that re-creates and reindexes all indexes of a given ZCatalog instance.
- some indexes show the number of indexed objects vs the number of indexes terms
within the ZMI which is totally inconsistent. I think the ZMI should show the number
of indexed objects. Index specific information e.g. the number of indexed terms
should be shown within the indexes default view (if necessary). Objections?
- Indexes derived from UnIndex also store informations about objects although they do
not index useful information. E..g. if you have one thousand objects and a keyword index
indexing only two objects (because these two objects have the required property or method
returning indexable values) than you have the RIDs of one thousand objects within the internal
data structure of the index....a total waste of space. An optimised version of UnIndex would
store only values evaluating to non-zero. Such an optimisation is already used in Dieter's
Managablexes. This might change the behaviour of some applications
but I am not completely sure about this issue. Thoughts?
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