全文索引引擎工具包 Apache Lucene v6.0.1 發布
Lucene不是一個完整的全文索引應用，而是是一個用Java寫的全文索引引擎工具包，它可以方便的嵌入到各種應用中實現針對應用的全文索引/檢索功能。Lucene的作者：Lucene的貢獻者Doug Cutting是一位資深全文索引/檢索專家，曾經是V-Twin搜索引擎(Apple的Copland操作系統的成就之一)的主要開發者，后在Excite擔任高級系統架構設計師，目前從事于一些INTERNET底層架構的研究。他貢獻出的Lucene的目標是為各種中小型應用程序加入全文檢索功能。
更新日志
- New Features (1)
- LUCENE-7278: Spatial-extras DateRangePrefixTree's Calendar is now configurable, to e.g. clear the Gregorian Change Date. Also, toString(cal) is now identical to DateTimeFormatter.ISO_INSTANT.
(David Smiley)
- LUCENE-7278: Spatial-extras DateRangePrefixTree's Calendar is now configurable, to e.g. clear the Gregorian Change Date. Also, toString(cal) is now identical to DateTimeFormatter.ISO_INSTANT.
- Bug Fixes (10)
- LUCENE-7187: Block join queries' Weight#extractTerms(...) implementations should delegate to the wrapped weight.
(Martijn van Groningen) - LUCENE-7209: Fixed explanations of FunctionScoreQuery.
(Adrien Grand) - LUCENE-7232: Fixed InetAddressPoint.newPrefixQuery, which was generating an incorrect query when the prefix length was not a multiple of 8.
(Adrien Grand) - LUCENE-7279: JapaneseTokenizer throws ArrayIndexOutOfBoundsException on some valid inputs
(Mike McCandless) - LUCENE-7188: remove incorrect sanity check in NRTCachingDirectory.listAll() that led to IllegalStateException being thrown when nothing was wrong.
(David Smiley, yonik) - LUCENE-7219: Make queryparser/xml (Point|LegacyNumeric)RangeQuery builders match the underlying queries' (lower|upper)Term optionality logic.
(Kaneshanathan Srivisagan, Christine Poerschke) - LUCENE-7257: Fixed PointValues#size(IndexReader, String), docCount, minPackedValue and maxPackedValue to skip leaves that do not have points rather than raising an IllegalStateException.
(Adrien Grand) - LUCENE-7284: GapSpans needs to implement positionsCost().
(Daniel Bigham, Alan Woodward) - LUCENE-7231: WeightedSpanTermExtractor didn't deal correctly with single-term phrase queries.
(Eva Popenda, Alan Woodward) - LUCENE-7293: Don't try to highlight GeoPoint queries
(Britta Weber, Nick Knize, Mike McCandless, Uwe Schindler)
- LUCENE-7187: Block join queries' Weight#extractTerms(...) implementations should delegate to the wrapped weight.
- Documentation (1)
- LUCENE-7223: Improve XXXPoint javadocs to make it clear that you should separately add StoredField if you want to retrieve these field values at search time
(Greg Huber, Robert Muir, Mike McCandless)
- LUCENE-7223: Improve XXXPoint javadocs to make it clear that you should separately add StoredField if you want to retrieve these field values at search time
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