[jira] [Resolved] (OAK-2234) Support property existence query (for Lucene)

["Chetan Mehrotra (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/OAK-2234?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Chetan Mehrotra resolved OAK-2234.
----------------------------------
       Resolution: Fixed
    Fix Version/s:     (was: 1.2)
                   1.1.8

Added support with http://svn.apache.org/r1666790 in same way as OAK-2517 is implemented. If enabled then in if given property is found to be not null then name of that property would be stored in {{:notNullProps}} Lucene field and on query side a {{TermQuery}} would be used

To make use of this feature set {{notNullCheckEnabled}} to {{true}}

{noformat}
  + indexRules
    - jcr:primaryType = "nt:unstructured"
    + nt:base
      + properties
        - jcr:primaryType = "nt:unstructured"
        + assetType
          - propertyIndex = true
          - name = "assetType"
          - notNullCheckEnabled = true
{noformat}

> Support property existence query (for Lucene)
> ---------------------------------------------
>
>                 Key: OAK-2234
>                 URL: https://issues.apache.org/jira/browse/OAK-2234
>             Project: Jackrabbit Oak
>          Issue Type: Improvement
>          Components: oak-lucene
>            Reporter: Chetan Mehrotra
>            Assignee: Chetan Mehrotra
>            Priority: Minor
>             Fix For: 1.1.8
>
>
> Add support for property existence query like
> {noformat}
> select [jcr:path] from [nt:base] where propa is not null
> {noformat}
> Opposite of this cannot be be supported i.e. {{propa is null}} though!
> With OAK-1208 query creation logic explicitly ignores such queries but with recent Lucene changes it appears to be possible LUCENE-995



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