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Posted to dev@lucene.apache.org by "ASF subversion and git services (JIRA)" <ji...@apache.org> on 2015/02/02 15:31:34 UTC
[jira] [Commented] (LUCENE-6190) spatial pointsOnly flag shouldn't
force predicate to Intersects
[ https://issues.apache.org/jira/browse/LUCENE-6190?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14301327#comment-14301327 ]
ASF subversion and git services commented on LUCENE-6190:
---------------------------------------------------------
Commit 1656473 from [~dsmiley] in branch 'dev/trunk'
[ https://svn.apache.org/r1656473 ]
LUCENE-6190: PrefixTreeStrategy pointsOnly bug: don't switch predicate
Also refactored placement of hasIndexedLeaves, and fixed a minor equals/hashcode bug.
> spatial pointsOnly flag shouldn't force predicate to Intersects
> ---------------------------------------------------------------
>
> Key: LUCENE-6190
> URL: https://issues.apache.org/jira/browse/LUCENE-6190
> Project: Lucene - Core
> Issue Type: Improvement
> Components: modules/spatial
> Reporter: David Smiley
> Assignee: David Smiley
> Fix For: 5.1
>
> Attachments: LUCENE-6190__pointsOnly_RPT_predicate_bug.patch
>
>
> In the process of testing the pointsOnly flag, I realized RPT's optimization to force the predicate to Intersects from Within|Contains isn't sound. In the case of Within, this is only valid if there is one point per document but not multiple (since _all_ points on a doc need to intersect the query shape), and for Contains it was simply wrong.
> Note that the strategy has no multi-valued hint or some-such. If it did, then if !multiValued && pointsOnly, *then* Within could be changed to Intersects. Regardless, swapping the predicate can be done at a higher level (Solr/ES).
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