Zope product providing enhanced search functions
AdvancedQuery is a Zope product aimed to overcome several
limitations of ZCatalog's native search function.
Like ZCatalog's search, it supports elementary index searches.
While ZCatalog can combine such elementary searches only by
"and", AdvancedQuery allows them to be combined arbitrary
with & (and), | (or) and ~ (not).
While ZCatalog supports an efficient sorting via an index on
one level, AdvancedQuery supports sorting via any level of
(field) indexes. Moreover, it sorts the result incrementally -
only as far as you access your result. This can drastically
speedup the time required for sorting.
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