Hoss Man created SOLR-6330:
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Summary: distributed pivot faceting may not work well with some
custom FieldTypes
Key: SOLR-6330
URL: https://issues.apache.org/jira/browse/SOLR-6330
Project: Solr
Issue Type: Bug
Reporter: Hoss Man
Priority: Minor
A limitiation of the distributed pivot faceting code is that it makes some
explicit assumptions about the datatypes of the pivot values for the purposes
of "serializing" the values in order to make refinement requests to the
individual shards for those values.
This logic works fine for String based fields, dates, and primitive numerics --
but any custom FieldType that has a {{toObject()}} method which does not return
one of those data types may have problems. While pivot faceting uses the typed
objects returned by {{toObject()}} in it's responses, there is no general
FieldType method for converting those objects back into Strings suitable for
the refinement requests.
Untill we have some abstract, FieldType based, method for converting the value
Objects into Strings thta can be included in the refinement requests for use in
{{FieldType.getFieldQuery()}} there isn't really a good solution for this.
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