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https://issues.apache.org/jira/browse/SOLR-5707?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ryan Ernst updated SOLR-5707:
-----------------------------

    Attachment: SOLR-5707.patch

Initial patch with tests.

Expressions are set in the schema via a ComputedField, with an <expression> 
child (this allows using CDATA instead of having to escape special characters 
as you would in an attribute). The bindings are pluggable via a 
BindingsFactory.  All numeric fields in the schema are available via the 
default bindings.

Note: I'm not happy with the difficulty in using custom xml children nodes for 
a field type, but I didn't want to tackle that here.


> Lucene Expressions in Solr
> --------------------------
>
>                 Key: SOLR-5707
>                 URL: https://issues.apache.org/jira/browse/SOLR-5707
>             Project: Solr
>          Issue Type: New Feature
>            Reporter: Ryan Ernst
>         Attachments: SOLR-5707.patch
>
>
> Expressions should be available for use in Solr.



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