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https://issues.apache.org/jira/browse/SOLR-11244?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16148998#comment-16148998
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Yonik Seeley commented on SOLR-11244:
-------------------------------------

According to the v2 API spec doc attached to that issue, the JSON Request API 
should already be hooked in?
But no, we shouldn't be removing any old query or update APIs, unless they are 
non-primary perhaps (i.e. not used by the majority of users).

> Query DSL for Solr
> ------------------
>
>                 Key: SOLR-11244
>                 URL: https://issues.apache.org/jira/browse/SOLR-11244
>             Project: Solr
>          Issue Type: Improvement
>      Security Level: Public(Default Security Level. Issues are Public) 
>            Reporter: Cao Manh Dat
>            Assignee: Cao Manh Dat
>         Attachments: SOLR-11244.patch, SOLR-11244.patch, SOLR-11244.patch, 
> Solr Query DSL - examples.html
>
>
> It will be great if Solr has a powerful query DSL. This ticket is an 
> extension of [http://yonik.com/solr-json-request-api/].
> Here are several examples of Query DSL
> {code}
> curl -XGET http://localhost:8983/solr/query -d '
> {
>     "query" : {
>         "lucene" : {
>             "df" : "content",
>             "query" : "solr lucene"
>         }
>     }
> }
> {code}
> the above example can be rewritten as (because lucene is the default qparser)
> {code}
> curl -XGET http://localhost:8983/solr/query -d '
> {
>     "query" : "content:(solr lucene)"
> }
> {code}
> more complex example:
> {code}
> curl -XGET http://localhost:8983/solr/query -d '
> { 
>     "query" : {
>         "boost" : {
>             "query" : {
>                 "lucene" : {
>                     "q.op" : "AND",
>                     "df" : "cat_s",
>                     "query" : "A"
>                 }
>             }
>             "b" : "log(popularity)"
>         }
>     }
> }
> {code}
> I call it Json Query Object (JQO) and It defined as :
> - It can be a valid query string for Lucene query parser, for example : 
> "title:solr"
> - It can be a valid local parameters string, for example : "{!dismax 
> qf=myfield}solr rocks"
> - It can be a json object with structure like this 
> {code}
> {
>   "query-parser-name" : {
>      "param1" : "value1",
>      "param2" : "value2",
>      "query" : <JQO>,
>      "another-param" : <JQO>
>   }
> }
> {code}
> Therefore the above dismax query can be rewritten as ( be noticed that the 
> query argument in local parameters, is put as value of {{query}} field )
> {code}
> {
>   "dismax" : {
>      "qf" : "myfield"
>      "query" : "solr rocks"
>   }
> }
> {code}
> I will attach an HTML, contain more examples of Query DSL.



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