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https://issues.apache.org/jira/browse/SOLR-18033?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18050484#comment-18050484
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ASF subversion and git services commented on SOLR-18033:
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Commit 4d616b46cd0d5e6ec4d6cb7af11c37ec6541180a in solr's branch
refs/heads/jira/SOLR-17975 from Chris M. Hostetter
[ https://gitbox.apache.org/repos/asf?p=solr.git;h=4d616b46cd0 ]
Fix LateInteractionVectorField and uncomment failing test asserts that can now
pass if SOLR-18033.patch is applied
> binary based fields can't control their external based representation
> ---------------------------------------------------------------------
>
> Key: SOLR-18033
> URL: https://issues.apache.org/jira/browse/SOLR-18033
> Project: Solr
> Issue Type: Bug
> Reporter: Chris M. Hostetter
> Priority: Major
> Attachments: SOLR-18033-1.patch, SOLR-18033.patch
>
>
> This was discovered while working on SOLR-17975:
> {quote}... the main issue i *HAVE* found is that even though FieldType has
> method(s) for converting internal BytesRef's into something type specific
> that can be returned to the client, SolrDocumentFetcher isn't consistently
> using those methods in all useDocValuesAsStored situations ... it's got it's
> own special case statement with specialized conditionals that would need to
> be rethought/refactored to ensure the BINARY DocValues for this new field
> type (and any other similar field types) can be reconstituted back into
> _whatever_ external representation _[...the field type wants to use...]_
> {quote}
> While working on a patch with tests for this, I discovered that the same
> problem exists for stored fields due to hardcoded logic in DocsStreamer --
> even though {{FieldType}} has a distinct {{void
> write(TextResponseWriter,...}}} method (for when the response format requires
> String-ification) distinct from the {{Object toObject(IndexableField)}}
> (designed for use by the javabincodec) {{DocStreamer}} only uses {{toObject}}
> with a hardcoded list of special classes -- otherwise it uses the very old
> {{String toExternal(IndexableField)}} method
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