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Posted to dev@lucene.apache.org by "David Smiley (JIRA)" <ji...@apache.org> on 2013/06/17 23:50:19 UTC
[jira] [Updated] (LUCENE-5062) Spatial CONTAINS is sometimes
incorrect for overlapped indexed shapes
[ https://issues.apache.org/jira/browse/LUCENE-5062?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
David Smiley updated LUCENE-5062:
---------------------------------
Attachment: LUCENE-5062_Spatial_CONTAINS_with_overlapping_shapes.patch
The attached patch corrects this problem. I left the former behavior as a boolean flag performance optimization, since if you don't have indexed data triggering this problem then there's no point in the extra overhead of checking for it at runtime. I doubt it's much but nonetheless it was easy to add.
> Spatial CONTAINS is sometimes incorrect for overlapped indexed shapes
> ---------------------------------------------------------------------
>
> Key: LUCENE-5062
> URL: https://issues.apache.org/jira/browse/LUCENE-5062
> Project: Lucene - Core
> Issue Type: Bug
> Components: modules/spatial
> Affects Versions: 4.3
> Reporter: David Smiley
> Assignee: David Smiley
> Attachments: LUCENE-5062_Spatial_CONTAINS_with_overlapping_shapes.patch
>
>
> If the spatial data for a document is comprised of multiple overlapping or adjacent parts, it _might_ fail to match a query shape when doing the CONTAINS predicate when the sum of those shapes contain the query shape but none do individually.
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