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https://issues.apache.org/jira/browse/OAK-8035?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Davide Giannella updated OAK-8035:
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Fix Version/s: (was: 1.11.0)
> Debug logging when two or more indices have same or very close cost amounts
> doesn't work in case both indices belong to the same type of Query Index
> ----------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: OAK-8035
> URL: https://issues.apache.org/jira/browse/OAK-8035
> Project: Jackrabbit Oak
> Issue Type: Bug
> Components: query
> Reporter: Nitin Gupta
> Assignee: Julian Reschke
> Priority: Major
> Fix For: 1.12.0
>
> Attachments: OAK-8035.patch, OAK-8035_2.patch, OAK-8035_3.patch,
> OAK-8035_4.patch
>
>
> Steps to reproduce -
> # You would need two index definitions of same query index type , let's say
> fullText index , having similar cost evaluations.
> # Now while the index plan is evaluated you will notice that there should
> have been a debug log saying that selected index has similar cost - this
> serves as an important warning to either change the index definitions or the
> query
> ([https://github.com/apache/jackrabbit-oak/blob/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/query/QueryImpl.java#L1069#L1072)]
>
> However If we have a look at this code block here -
> [https://github.com/apache/jackrabbit-oak/blob/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/query/QueryImpl.java#L1017#L1041]
> , there is no comparison for near best costs for index plans having same
> query index type .
>
> cc : [~teofili]
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