Alex Parvulescu created JCR-3478:
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Summary: Partial search terms matching fails when there is a lot
of matching content outside the query's scope
Key: JCR-3478
URL: https://issues.apache.org/jira/browse/JCR-3478
Project: Jackrabbit Content Repository
Issue Type: Bug
Components: jackrabbit-core
Reporter: Alex Parvulescu
This continues the work from JCR-3428.
It appears that if we are dealing with a full-text search 'ipsu*', the
WildcardQueryRewrite will generate a list of matching tokens to use as the
query condition based on all of the matching tokens found in the index, not
just the ones that fall into the query's scope.
This list will next be used in the Excerpt generation, with a 'must all match'
condition, which will make the excerpts not work.
For example if we have the following content:
/
/testNode1 with the property 'text'='lorem ipsum'
/testNode2 with the property 'foo'='ipsuFoo'
/testNode3 with the property 'bar'='ipsuBar'
and the query testNode1//*[jcr:contains(., 'ipsu*')]/rep:excerpt(.)
What will happen is the WildcardQueryRewrite will extract 3 terms for the
highlighter: ipsum, ipsuFoo and ipsuBar, wich will be passed as a single list
of terms, basically a 'must all match' condition.
What I want to do is break this list into a list of 3 sets each containing a
single term, turning it into a 'match any' type of condition.
The interesting part here is that in order to preserve the existing
functionality for the japanese language as well (where a work can be comprised
of more tokens that are passed around via a PhraseQuery) I'm going to
explicitly check and transform PhraseQuery tokens into a 'must all match' list
of tokens.
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