[jira] [Updated] (SOLR-7828) add a facet function to pick one result's value

["Gary Yang (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SOLR-7828?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Gary Yang updated SOLR-7828:
----------------------------
    Summary: add a facet function to pick one result's value  (was: add a new facet function to pick one result's value)

> add a facet function to pick one result's value
> -----------------------------------------------
>
>                 Key: SOLR-7828
>                 URL: https://issues.apache.org/jira/browse/SOLR-7828
>             Project: Solr
>          Issue Type: New Feature
>          Components: faceting
>    Affects Versions: 5x
>            Reporter: Gary Yang
>
> The facet functions and analytics working great, especially with json API !
> As a developer, I would like a facet function to get a field value from one record from a group, please see this facet query:
> {
>     "schema": {
>         "slide_id": {
>             "type": "long"
>         },
>         "slide_name": {
>             "type": "string"
>         },
>         "slide_create_time": {
>             "type": "timestamp"
>         }
>     },
>     
>     "facet.query": {
>         "slide_viewed": {
>             "type": "terms",
>             "field": "slide_id",
>             "facet": {
>                 "avg_viewed_time": "avg(slide_viewed_time)",
>                 "created_time": "max(slide_create_time)",
>                 "slide_name": "*{color:red}ANY_FIRST_LAST_OR_FILTER{color}*(slide_name)"
>             }
>         },
>         "total": {
>             "type": "query",
>             "q": "*:*",
>             "facet": {
>                 "slide_num": "unique(slide_id)"
>             }
>         }
>     }
> }
> when grouping by slide_id, I would love to have the a function that can pick a slide name from each group of slides with the same slide_id.
> thanks!



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