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Posted to oak-issues@jackrabbit.apache.org by "Thomas Mueller (JIRA)" <ji...@apache.org> on 2016/11/08 15:27:59 UTC

[jira] [Updated] (OAK-4081) Faster cost calculation for property indexes and traversal

     [ https://issues.apache.org/jira/browse/OAK-4081?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Thomas Mueller updated OAK-4081:
--------------------------------
    Fix Version/s:     (was: 1.6)

> Faster cost calculation for property indexes and traversal
> ----------------------------------------------------------
>
>                 Key: OAK-4081
>                 URL: https://issues.apache.org/jira/browse/OAK-4081
>             Project: Jackrabbit Oak
>          Issue Type: Bug
>          Components: query
>            Reporter: Thomas Mueller
>            Assignee: Thomas Mueller
>
> There are sometimes many property indexes, therefore cost calculation is slow. As seen in OAK-4076, we could re-order the indexes and stop once we found a good one (specially for unique indexes).
> Also, currently we still check if traversal is faster than using an index. In many cases this check is not needed.



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