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https://issues.apache.org/jira/browse/LUCENE-5990?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14159532#comment-14159532
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Robert Muir commented on LUCENE-5990:
-------------------------------------
FWIW this example is actually bogus (duh), because it passing to the consumer.
But the idea still applies. I just wanted to open the issue to remind myself,
to check this for e.g. DV producers and so on that take fieldinfos as a
parameter.
> Merging should pass correct fieldinfos to producers always
> ----------------------------------------------------------
>
> Key: LUCENE-5990
> URL: https://issues.apache.org/jira/browse/LUCENE-5990
> Project: Lucene - Core
> Issue Type: Bug
> Reporter: Robert Muir
>
> I think its been a longstanding issue, but I noticed it in the bulk merge
> code today and see that we can fix it...
> instead of:
> {code}
> DocumentStoredFieldVisitor visitor = new DocumentStoredFieldVisitor();
> storedFieldsReader.visitDocument(docID, visitor);
> Document doc = visitor.getDocument();
> addDocument(doc, mergeState.mergeFieldInfos);
> {code}
> we should do:
> {code}
> addDocument(doc, mergeState.fieldInfos[i]);
> {code}
> This is a lot more consistent and reduce the possibility of scary bugs during
> merge because the codec does something strange. We should look into all merge
> logic to see if it can be improved here.
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