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https://issues.apache.org/jira/browse/SOLR-13160?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dan Meehl updated SOLR-13160:
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Attachment: SOLR-13160-2.patch
> copyField with bare wildcard source duplicates content in dest field
> --------------------------------------------------------------------
>
> Key: SOLR-13160
> URL: https://issues.apache.org/jira/browse/SOLR-13160
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Components: Schema and Analysis
> Affects Versions: 7.6
> Reporter: Dan Meehl
> Priority: Minor
> Attachments: SOLR-13160-2.patch, SOLR-13160.patch
>
>
> A copyField directive in the schema with source="*" will duplicate all
> content that was already in dest. This doesn't seem like a show stopping
> problem, but it was a surprise to me and I can't think of a reason you'd want
> that to happen. Worst case scenario is that it makes your index 2x larger for
> no reason.
> The patch adds a test into CopyFieldTest that shows the behavior.
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