[jira] [Created] (SOLR-8155) json.facet - prefix parameter doesn't work properly

["Yosi Nesher (JIRA)" <ji...@apache.org>]

Yosi Nesher created SOLR-8155:
---------------------------------

             Summary: json.facet - prefix parameter doesn't work properly
                 Key: SOLR-8155
                 URL: https://issues.apache.org/jira/browse/SOLR-8155
             Project: Solr
          Issue Type: Bug
          Components: Facet Module
    Affects Versions: 5.3
            Reporter: Yosi Nesher


When using prefix in nested facets, not all values are found.
In the following query, I use facet with prefix in both old way (facet.field) and new way (json.facet).
In old way, I get 5 values. In new way I get only 3.

This is the field definition in the schema:
<field name="topics_f" type="string" indexed="true" stored="true" required="false" multiValued="true" />

When I add to the schema docValues="true" the issue is solved.

Query:

http://localhost:8983/solr/mycore/select?q=*%3A*&rows=0&wt=json&indent=true&facet=true&facet.field=topics_f&facet.prefix=2&json.facet={trendFieldFacet:{type:terms,%20field:topics_f,%20%20prefix:%222%22%20}}

Response:

{
  "responseHeader": {
    "status": 0,
    "QTime": 0,
    "params": {
      "q": "*:*",
      "json.facet": "{trendFieldFacet:{type:terms, field:topics_f,  prefix:\"2\" }}",
      "facet.field": "topics_f",
      "indent": "true",
      "facet.prefix": "2",
      "rows": "0",
      "wt": "json",
      "facet": "true",
      "_": "1444566142012"
    }
  },
  "response": {
    "numFound": 17,
    "start": 0,
    "docs": []
  },
  "facet_counts": {
    "facet_queries": {},
    "facet_fields": {
      "topics_f": [
        "2/device/iphone",
        4,
        "2/device/samsung",
        4,
        "2/city/london",
        1,
        "2/city/rome",
        1,
        "2/device/other",
        1
      ]
    },
    "facet_dates": {},
    "facet_ranges": {},
    "facet_intervals": {},
    "facet_heatmaps": {}
  },
  "facets": {
    "count": 17,
    "trendFieldFacet": {
      "buckets": [
        {
          "val": "2/device/iphone",
          "count": 4
        },
        {
          "val": "2/device/samsung",
          "count": 4
        },
        {
          "val": "2/device/other",
          "count": 1
        }
      ]
    }
  }
}



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