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Posted to dev@lucene.apache.org by "Andrey Kudryavtsev (JIRA)" <ji...@apache.org> on 2018/06/15 14:09:00 UTC
[jira] [Updated] (LUCENE-8359) Extend ToParentBlockJoinQuery with
'minimum matched children' functionality
[ https://issues.apache.org/jira/browse/LUCENE-8359?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Andrey Kudryavtsev updated LUCENE-8359:
---------------------------------------
Attachment: LUCENE-8359
> Extend ToParentBlockJoinQuery with 'minimum matched children' functionality
> ----------------------------------------------------------------------------
>
> Key: LUCENE-8359
> URL: https://issues.apache.org/jira/browse/LUCENE-8359
> Project: Lucene - Core
> Issue Type: New Feature
> Reporter: Andrey Kudryavtsev
> Priority: Minor
> Labels: lucene
> Attachments: LUCENE-8359
>
>
> I have a hierarchal data in index and requirements like 'match parent only if at least {{n}} his children were matched'.
> I used to solve it by combination of some lucene / solr tricks like 'frange' filtration by sum of matched children score, so it's doable out of the box with some efforts right now. But also it could be solved by \{{ToParentBlockJoinQuery}} extension with new numeric parameter, tried to do it in attached patch.
> Not sure if this should be in main branch, just put it here, maybe someone would have similar problems.
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