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https://issues.apache.org/jira/browse/SOLR-14419?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17112536#comment-17112536
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Mikhail Khludnev commented on SOLR-14419:
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bq. I mean I don't see many usecase this feature will be useful?
This is absolutely necessary. Think about that classic killer feature:
https://lucene.apache.org/solr/guide/6_6/faceting.html#Faceting-TaggingandExcludingFilters
the question how to achieve is with Query DSL for nested objects in json
facets and domain switch. I recently get to solving this puzzle it's really
tricky. I can share how to if you wish to see. Nevertheless, those refs are
needful.
> Query DLS {"param":"ref"}
> -------------------------
>
> Key: SOLR-14419
> URL: https://issues.apache.org/jira/browse/SOLR-14419
> Project: Solr
> Issue Type: Improvement
> Security Level: Public(Default Security Level. Issues are Public)
> Components: JSON Request API
> Reporter: Mikhail Khludnev
> Assignee: Mikhail Khludnev
> Priority: Major
> Fix For: 8.6
>
> Attachments: SOLR-14419.patch, SOLR-14419.patch, SOLR-14419.patch
>
>
> What we can do with plain params:
> {{q=\{!parent which=$prnts}...&prnts=type:parent}}
> obviously I want to have something like this in Query DSL:
> {code}
> { "query": { "parents":{ "which":{"param":"prnts"}, "query":"..."}}
> "params": {
> "prnts":"type:parent"
> }
> }
> {code}
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