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https://issues.apache.org/jira/browse/NUTCH-2229?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15162945#comment-15162945
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Markus Jelsma commented on NUTCH-2229:
--------------------------------------
Ah, this works very nicely! I'll commit shortly!
> Allow Jexl expressions on CrawlDatum's fixed attributes
> -------------------------------------------------------
>
> Key: NUTCH-2229
> URL: https://issues.apache.org/jira/browse/NUTCH-2229
> Project: Nutch
> Issue Type: Improvement
> Components: crawldb
> Affects Versions: 1.11
> Reporter: Markus Jelsma
> Assignee: Markus Jelsma
> Fix For: 1.12
>
> Attachments: NUTCH-2229.patch
>
>
> CrawlDatum allows Jexl expressions on its metadata fields nicely, but it
> lacks the opportunity to select on attributes like fetchTime and modifiedTime.
> This includes a rudimentary date parser only supporting the
> yyyy-MM-dd'T'HH:mm:ss'Z' format:
> {code}
> bin/nutch readdb crawl/crawldb/ -dump out -format csv -expr "(modifiedTime >
> 2016-03-20T00:00:00Z)"
> {code}
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