Adrien Grand created SOLR-4647:
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Summary: Grouping is broken on docvalues-only fields
Key: SOLR-4647
URL: https://issues.apache.org/jira/browse/SOLR-4647
Project: Solr
Issue Type: Bug
Affects Versions: 4.2
Reporter: Adrien Grand
There are a few places where grouping uses
FieldType.toObject(SchemaField.createField(String, float)) to translate a
String field value to an Object. The problem is that createField returns null
when the field is neither stored nor indexed, even if it has doc values.
An option to fix it could be to use the ValueSource instead to resolve the
Object value (similarily to NumericFacets).
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