[jira] [Created] (SOLR-12249) Grouping on a solr.TextField works in stand-alone but not in SolrCloud

["Erick Erickson (JIRA)" <ji...@apache.org>]

Erick Erickson created SOLR-12249:
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             Summary: Grouping on a solr.TextField works in stand-alone but not in SolrCloud
                 Key: SOLR-12249
                 URL: https://issues.apache.org/jira/browse/SOLR-12249
             Project: Solr
          Issue Type: Bug
      Security Level: Public (Default Security Level. Issues are Public)
    Affects Versions: 6.6.2, master (8.0)
            Reporter: Erick Erickson


I didn't test this with master. Under the covers in stand-alone mode, the "min" function is silently  substituted for the grouping, but that's not true in SorlCloud mode. I broke this JIRA out separately to discuss whether it _ever_ makes sense to group by a tokenized text field.

Grouping by the min value in a field is at least consistent, but on a text field I don't think it makes sense.

I propose that we explicitly dis-allow this in both stand-alone and Cloud mode, especially now that there's the SortableTextField.

Comments?



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