Log message for revision 115019:
Add todo, explaining what this function should really do
Changed:
U Zope/branches/andig-catalog-report/src/Products/ZCatalog/CatalogReport.py
-=-
Modified:
Zope/branches/andig-catalog-report/src/Products/ZCatalog/CatalogReport.py
===================================================================
--- Zope/branches/andig-catalog-report/src/Products/ZCatalog/CatalogReport.py
2010-07-24 15:40:08 UTC (rev 115018)
+++ Zope/branches/andig-catalog-report/src/Products/ZCatalog/CatalogReport.py
2010-07-24 15:42:41 UTC (rev 115019)
@@ -29,6 +29,11 @@
# This function determines all indexes whose values should be respected
# in the report key. The number of unique values for the index needs to be
# lower than the MAX_DISTINCT_VALUES watermark.
+
+ # TODO: Ideally who would only consider those indexes with a small number
+ # of unique values, where the number of items for each value differs a
+ # lot. If the number of items per value is similar, the duration of a
+ # query is likely similar as well.
valueindexes = []
for name, index in catalog.indexes.items():
if IUniqueValueIndex.providedBy(index):
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