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https://issues.apache.org/jira/browse/OAK-1501?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14904548#comment-14904548
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Thomas Mueller commented on OAK-1501:
-------------------------------------
http://svn.apache.org/r1704856 (trunk; test case)
> Property index on "jcr:primaryType" returns the wrong cost
> ----------------------------------------------------------
>
> Key: OAK-1501
> URL: https://issues.apache.org/jira/browse/OAK-1501
> Project: Jackrabbit Oak
> Issue Type: Bug
> Components: core, query
> Reporter: Thomas Mueller
> Assignee: Thomas Mueller
> Priority: Minor
> Labels: performance, resilience
> Fix For: 1.3.7
>
>
> For queries of type, the property index on jcr:primaryType is used, even if
> only a subset of all node types are indexed:
> {noformat}
> /jcr:root//element(*,rep:User)[xyz/@jcr:primaryType]
> {noformat}
> The problem is that this index returns the wrong cost. It should return
> "infinity", because the index doesn't have enough data if not all node types
> and mixins are indexed.
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