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https://issues.apache.org/jira/browse/OAK-824?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Thomas Mueller resolved OAK-824.
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Resolution: Fixed
> Query engine: automatic expansion of "x=1 or x=2" to "(x is not null) and
> (x=1 or x=2)"
> ---------------------------------------------------------------------------------------
>
> Key: OAK-824
> URL: https://issues.apache.org/jira/browse/OAK-824
> Project: Jackrabbit Oak
> Issue Type: Bug
> Components: core, query
> Reporter: Thomas Mueller
> Assignee: Thomas Mueller
>
> Queries with conditions of the type "x=1 or x=2" currently don't use an
> index. An index (on property existance) could be used if the condition is
> automatically expanded to "(x is not null) and (x=1 or x=2)". This should be
> relatively easy to implement in the query engine (I hope).
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