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https://issues.apache.org/jira/browse/NUTCH-1405?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13406564#comment-13406564
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Julien Nioche commented on NUTCH-1405:
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the way I was thinking about it was that overwrite had precedence over update,
i.e update happens only of overwrite is false. if both are true - dump a log
message but do overwrite.
> Allow to overwrite CrawlDatum's with injected entries
> -----------------------------------------------------
>
> Key: NUTCH-1405
> URL: https://issues.apache.org/jira/browse/NUTCH-1405
> Project: Nutch
> Issue Type: Improvement
> Components: injector
> Affects Versions: 1.5, 1.6
> Reporter: Markus Jelsma
> Assignee: Markus Jelsma
> Priority: Minor
> Fix For: 1.6
>
> Attachments: NUTCH-1405-1.6-3.patch, NUTCH-1405-1.6-4.patch,
> NUTCH-1405-1.6-5.patch, NUTCH-1405-1.6-6.patch
>
>
> Injector's reducer does not permit overwriting existing CrawlDatum entries.
> It is, however, useful to optionally overwrite so users can reset metadata
> manually.
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