[jira] [Created] (SOLR-10237) Poly-Fields should error if subfield has docValues=true

["Tomás Fernández Löbbe (JIRA)" <ji...@apache.org>]

Tomás Fernández Löbbe created SOLR-10237:
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             Summary: Poly-Fields should error if subfield has docValues=true
                 Key: SOLR-10237
                 URL: https://issues.apache.org/jira/browse/SOLR-10237
             Project: Solr
          Issue Type: Improvement
      Security Level: Public (Default Security Level. Issues are Public)
            Reporter: Tomás Fernández Löbbe
            Priority: Minor


DocValues aren’t really supported in poly-fields at this point, but they don’t complain if the schema definition of the subfield has docValues=true. This leaves the index in an inconsistent state, since the SchemaField has docValues=true but there are no DV for the field.
Since this breaks compatibility, I think we should just emit a warning unless the subfield is an instance of {{PointType}}. With {{\[Int/Long/Float/Double/Date\]PointType}} subfields, this is particularly important, since they use {{IndexOrDocValuesQuery}}, that would return incorrect results.



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