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Flexible high level search construction and execution. For Zope 2.11 and above.

Project description


AdvancedQuery is a Zope product aimed to overcome several limitations and bugs of ZCatalog’s native search function.

Like ZCatalog search, it supports elementary index searches. While ZCatalog can combine such elementary searches only by “and”, AdvancedQuery allows to arbitrarily combine them by & (and), | (or) and ~ (not). Besides, it supports an extended range of elementary queries, such as matching, indexed queries, literal result sets. Finally, it supports incremental filtering.

AdvancedQuery also extends the sorting capabilities of ZCatalog. ZCatalog supports efficient index based sorting on one level. AdavancedQuery supports sorting on arbitrary levels of field indexes. Furthermore, sorting is performed incrementally – only as far as the result is accessed. This can drastically speed up sorting. Finally, AdvancedQuery can sort based on query based ranks. Unlike ZCatalog which simply ignores hits for which it does not have a sort value, AdvancedQuery sorts such hits at the end of the respective list.

AdvancedQuery works best when used together with Products.ManagableIndex and dm.incrementalsearch. Some of its features depend on these products, e.g. matching and incremental filtering. Furthermore, these additional components can speed up queries by several orders of magnitude.

For more information, see AdvancedQuery.html in the doc subfolder.

Partial history


Adapt to cosmetic modifications in Products.CMFCore==2.3.0.


use the newer index sorting API (documentToKeyMap) if the older API (keyForDocument) is missing or obviously broken.

The fix has been introduced for the nogopip index used in Plone 4.1. Unfortunately, this index version not only defines a broken keyForDocument but in addition uses call frame inspection targeted at ZCatalog sorting which fails when called by AdvancedQuery, see Until this problem is resolved, you cannot use a nogopip index as sort index for AdvancedQuery.


Zope 2.13 compatibility


fix test suite for Zope 2.12 by dropping ZopeTestCase.framework support. This implies that the test suite can now only be executed via the Zope test runner.

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Products.AdvancedQuery-3.0.4.tar.gz (19.3 kB view hashes)

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