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Posted to oak-issues@jackrabbit.apache.org by "Thomas Mueller (JIRA)" <ji...@apache.org> on 2014/09/25 14:41:35 UTC

[jira] [Created] (OAK-2137) Lucene: change path indexing and querying

Thomas Mueller created OAK-2137:
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             Summary: Lucene: change path indexing and querying
                 Key: OAK-2137
                 URL: https://issues.apache.org/jira/browse/OAK-2137
             Project: Jackrabbit Oak
          Issue Type: Improvement
            Reporter: Thomas Mueller
             Fix For: 1.1


Currently, the queries can not use the path restriction as described in OAK-2134. Using Lucene for the path restriction would be nice, but requires some more work. Two solutions to investigate are:

* (a) only index the path prefix (for example, the 20 first characters of the path, or only the first 5 path entries), and

* (b) also index all parent paths of a node (not store those in the document; just index them); when querying, use an exact match for the parent.

Solution (a) will reduce the index size in most cases, but is not guaranteed to always solve the problem, if there are many nodes that have distinct short path (for example, a counter node near the root node).

Solution (b) will increase the index size (how much needs to be tested), and would solve the problem.



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