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https://issues.apache.org/jira/browse/OAK-12221?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Thomas Mueller reassigned OAK-12221:
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Assignee: Thomas Mueller
> Cost estimation should be lower if more conditions are indexed
> --------------------------------------------------------------
>
> Key: OAK-12221
> URL: https://issues.apache.org/jira/browse/OAK-12221
> Project: Jackrabbit Oak
> Issue Type: Improvement
> Components: query
> Reporter: Thomas Mueller
> Assignee: Thomas Mueller
> Priority: Major
>
> Currently, the cost estimation of the Lucene and Elasticsearch indexes only
> tracks the minimum across all properties. The number of indexed properties is
> not taken into account.
> What should happen is: the more indexed conditions are added to a query, the
> lower the expected cost should be. Eg. a query with "color = 'red' and id =
> 1" should have a lower expected cost than a query with just "id = 1" or just
> "color = 'red'".
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