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https://issues.apache.org/jira/browse/SOLR-5743?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dr Oleg Savrasov updated SOLR-5743:
-----------------------------------
Attachment: SOLR-5743.patch
Initial implementation which meets functionality requirements. There is new
BlockJoinFacetComponent which expects ToParentBlockJoinQuery in search request.
Facets are calculated for fields defined by child.facet.field parameter. Only
DocValues fields are supported.
> Faceting with BlockJoin support
> -------------------------------
>
> Key: SOLR-5743
> URL: https://issues.apache.org/jira/browse/SOLR-5743
> Project: Solr
> Issue Type: New Feature
> Reporter: abipc
> Labels: features
> Attachments: SOLR-5743.patch
>
>
> For a sample inventory(note - nested documents) like this -
> <doc>
> <field name="id">10</field>
> <field name="type_s">parent</field>
> <field name="BRAND_s">Nike</field>
> <doc>
> <field name="id">11</field>
> <field name="COLOR_s">Red</field>
> <field name="SIZE_s">XL</field>
> </doc>
> <doc>
> <field name="id">12</field>
> <field name="COLOR_s">Blue</field>
> <field name="SIZE_s">XL</field>
> </doc>
> </doc>
> Faceting results must contain -
> Red(1)
> XL(1)
> Blue(1)
> for a "q=*" query.
> PS : The inventory example has been taken from this blog -
> http://blog.griddynamics.com/2013/09/solr-block-join-support.html
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