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https://issues.apache.org/jira/browse/LUCENE-8046?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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song updated LUCENE-8046:
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Lucene Fields: Patch Available (was: New)
> Redundant assign values to one variable continuously, which makes the first
> assignment redundant and useless
> ------------------------------------------------------------------------------------------------------------
>
> Key: LUCENE-8046
> URL: https://issues.apache.org/jira/browse/LUCENE-8046
> Project: Lucene - Core
> Issue Type: Improvement
> Components: modules/analysis
> Affects Versions: 7.0.1
> Environment: Ubuntu 14.04.5 LTS
> Reporter: song
> Priority: Minor
> Labels: performance
> Attachments: patch.LUCENE-8046
>
>
> Our static code analysis tool has scanned the codebase of Lucene 7.0.1, and
> find 29 cases, that developers reassigned values to a variable continuously.
> For example, the following code from file:
> analysis/common/src/java/org/tartarus/snowball/ext/CatalanStemmer.java
> {code:java}
> cursor=limit - v_5;
> cursor=limit_backward;
> {code}
> In the above code snippet, the second statement makes the first one redundant
> and useless.
> There are 29 cases in total in the codebase of Lucene.
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