[jira] [Updated] (OAK-2529) Index usage for "not equals" conditions

["Marcel Reutegger (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/OAK-2529?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Marcel Reutegger updated OAK-2529:
----------------------------------
    Fix Version/s:     (was: 1.2)

> Index usage for "not equals" conditions
> ---------------------------------------
>
>                 Key: OAK-2529
>                 URL: https://issues.apache.org/jira/browse/OAK-2529
>             Project: Jackrabbit Oak
>          Issue Type: Improvement
>          Components: query
>            Reporter: Thomas Mueller
>            Assignee: Thomas Mueller
>             Fix For: 1.0.12, 1.1.8
>
>
> Queries with "not equals" conditions don't currently use an index. Example:
> {noformat}
> /jcr:root/content//*[@contentType != 'container']
> {noformat}
> Such conditions should result in a "not null" property restrictions (so that property indexes can be used if available, and if there are only few entries for this property).
> Also, "not equal" need to be used and supported in the filter. Currently, in FilterImpl, this is not supported and used, and would throw a IllegalArgumentException if used. This is for indexes that natively support this feature (such as Apache Lucene and Solr).
> Also, this needs to be supported in the Lucene and Solr index.



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