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Posted to oak-issues@jackrabbit.apache.org by "Thomas Mueller (JIRA)" <ji...@apache.org> on 2019/06/12 12:24:00 UTC
[jira] [Updated] (OAK-8035) 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
[ https://issues.apache.org/jira/browse/OAK-8035?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Thomas Mueller updated OAK-8035:
--------------------------------
Labels: indexingPatch (was: )
> 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
> Labels: indexingPatch
> 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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