Add new analyzer for speed match_phrase query#1054
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muhao1020 wants to merge 1 commit intoinfinilabs:masterfrom
Open
Add new analyzer for speed match_phrase query#1054muhao1020 wants to merge 1 commit intoinfinilabs:masterfrom
muhao1020 wants to merge 1 commit intoinfinilabs:masterfrom
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medcl
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分词这块可以提供一些单元测试的补充么？ |
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medcl 你好，对于ES 的text 类型字段主要使用方式有match 和 match_phrase 两种，前者仅仅是匹配查询，后者则需要命中 terms 之间的相对 position也要和query 的中的terms 的相对位置一样。对于细粒度分词，如果有标准确定这些分词的position就可以在细粒度分词字段上使用match_phrase 。 为此新加了两个分词器，他们分别是通过首字和尾字的position确定本分词结果的 position ； 分词结果对match query 无影响，经测试在match_phrase query 上比使用 standard 分词查询时间能下降 95% 以上。