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https://issues.apache.org/jira/browse/SOLR-12591?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16577197#comment-16577197
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David Smiley commented on SOLR-12591:
-------------------------------------
{{org.apache.solr.handler.extraction.SolrContentHandler#transformValue}} is
placing the ISO instant format _String_ back onto the document, not an Instance
object. You're correct the URP puts a Date object on the doc; that's what it
_should_ do (avoids further parsing). It will ultimately find its way into
{{DatePointField.createField}} and used directly. Again after SOLR-12593, the
SolrContentHandler will be doing no date processing whatsoever. There will be
only one place where a configurable list of date/time patterns are processed --
this URP. Someone using SolrContentHandler will be expected to use the URP.
In some future issue that I don't think has been filed, it would be nice to use
Instant basically everywhere and avoid Date.
> Ensure ParseDateFieldUpdateProcessorFactory can be used instead of
> ExtractionDateUtil
> -------------------------------------------------------------------------------------
>
> Key: SOLR-12591
> URL: https://issues.apache.org/jira/browse/SOLR-12591
> Project: Solr
> Issue Type: Improvement
> Security Level: Public(Default Security Level. Issues are Public)
> Reporter: David Smiley
> Assignee: David Smiley
> Priority: Minor
> Fix For: master (8.0)
>
>
> ParseDateFieldUpdateProcessorFactory should ideally be able to handle the
> cases that ExtractionDateUtil does in the "extraction" contrib module. Tests
> should be added, ported from patches in SOLR-12561 that enhance
> TestExtractionDateUtil to similarly ensure the URP is tested. I think in
> this issue, I should switch out Joda time for java.time as well (though leave
> the complete removal for SOLR-12586) if it any changes are actually necessary
> – they probably will be.
> Once this issue is complete, it should be appropriate to gut date time
> parsing out of the "extraction" contrib module – a separate issue.
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