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https://issues.apache.org/jira/browse/LUCENE-7630?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15821733#comment-15821733
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Uwe Schindler commented on LUCENE-7630:
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Hi, could you create a Pull Request and add the link here?
About your branch: I would not use cloneAttributes() because thats slow for
this simple case. cloneAttributes() only helps if you want to modify the
attributes in the AttributeSource that was created, but is not useful for
simple save/restore use cases.
For your case, you should simple use captureState(), save the state object and
then call restorestate() instead of clearAttributes(). After restoring you can
adapt term text and positions/offsets. In addition when you clone or capture
state, the call to clearAttributes() is useless and also slows down. When
restoring states, everything is restored, so the additional clearing before is
not needed.
> EdgeNGramTokenFilter drops payloads
> -----------------------------------
>
> Key: LUCENE-7630
> URL: https://issues.apache.org/jira/browse/LUCENE-7630
> Project: Lucene - Core
> Issue Type: Bug
> Components: modules/analysis
> Affects Versions: master (7.0)
> Reporter: Nathan Gass
> Priority: Minor
> Original Estimate: 48h
> Remaining Estimate: 48h
>
> Using an EdgeNGramTokenFilter after a DelimitedPayloadTokenFilter discards
> the payloads, where as most other filters copy the payload to the new tokens.
> I added a test for this issue and a possible fix at
> https://github.com/xabbu42/lucene-solr/tree/edgepayloads
> Greetings
> Nathan Gass
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