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Merge branch 'master' of https://git-wip-us.apache.org/repos/asf/lucene-solr

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Uwe Schindler 2018-05-06 15:54:04 +02:00
parent fb5b42a0e4 beaf3a47eb
commit 0922e58c2c
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solr/solr-ref-guide/src/blockjoin-faceting.adoc
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@ -21,8 +21,7 @@ BlockJoin facets allow you to aggregate children facet counts by their parents.
It is a common requirement that if a parent document has several children documents, all of them need to increment facet value count only once. This functionality is provided by `BlockJoinDocSetFacetComponent`, and `BlockJoinFacetComponent` just an alias for compatibility.
CAUTION: This functionality is considered deprecated. Users are encouraged to use `uniqueBlock(\_root_)` aggregation under terms facet in <<json-facet-api.adoc#Blockjoinfacetexample,JSON Facet API>>.
CAUTION: This component is considered experimental, and must be explicitly enabled for a request handler in `solrconfig.xml`, in the same way as any other <<requesthandlers-and-searchcomponents-in-solrconfig.adoc#requesthandlers-and-searchcomponents-in-solrconfig,search component>>.
If this component is used, it must be explicitly enabled for a request handler in `solrconfig.xml`, in the same way as any other <<requesthandlers-and-searchcomponents-in-solrconfig.adoc#requesthandlers-and-searchcomponents-in-solrconfig,search component>>.
This example shows how you could add this search components to `solrconfig.xml` and define it in request handler: