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https://issues.apache.org/jira/browse/SOLR-12775?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16693132#comment-16693132
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Uwe Schindler commented on SOLR-12775:
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IMHO, we do not need to clone the tokenizer, as the base class has all required
functionality! I'd only add the deprecated LowercaseTokenizerFactory that just
calls: {{return CharTokenizer.fromTokenCharPredicate(Character::isLetter,
Character::toLowerCase);}} in create.
> Add a deprecated implementation of LowerCaseTokenizer
> -----------------------------------------------------
>
> Key: SOLR-12775
> URL: https://issues.apache.org/jira/browse/SOLR-12775
> Project: Solr
> Issue Type: Task
> Security Level: Public(Default Security Level. Issues are Public)
> Reporter: Alan Woodward
> Priority: Blocker
> Fix For: master (8.0)
>
> Attachments: SOLR-12775.patch, SOLR-12775.patch, SOLR-12775.patch,
> SOLR-12775.patch
>
>
> LUCENE-8498 will remove LowerCaseTokenizer and LowerCaseTokenizerFactory from
> lucene 8. To make upgrading from Solr 7.x to Solr 8 easier for users who
> have schemas that use LowerCaseTokenizerFactory, we should add a deprecated
> copy of the code to the {{org.apache.solr.analysis}} package.
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