内容简介:Apache Lucene 6.5.0 发布,Java 搜索引擎
Apache Lucene 6.5.0 发布了。
该版本包含许多错误修复,优化和改进,其中一些值得关注的如下:
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It is now possible filter out duplicates in the NRT suggester
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SimpleQueryString now supports default fuziness
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IndexWriter can return the list of visible field names
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DisjunctionScorer now supports returning the matching children clauses
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A new FunctionScoreQuery that modifies the internal query's score using the per-document values
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A new FunctionMatchQuery that returns any documents with a value that matches a predicate
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A new WordDelimiterGraphFilter that outputs a correct graph structure for multi-token expansion at query time
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A new PatternTokenizer that uses Lucene's RegExp implementation
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RangeFieldQuery now supports CROSSES relation
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A new IndexOrDocValuesQuery that uses either an index (points or terms) or doc values in order to run a (range, geo box and distance) query,depending which one is more efficient
Lucene 是 Apache 软件基金会一个开放源代码的全文检索引擎 工具 包,是一个全文检索引擎的架构,提供了完整的查询引擎和索引引擎,部分文本分析引擎。Lucene 的目的是为软件开发人员提供一个简单易用的工具包,以方便的在目标系统中实现全文检索的功能,或者是以此为基础建立起完整的全文检索引擎。
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