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对应的数据源field分词
shinx索引部分源码分析——过程:连接到CSphSource对应的sql数据源,通过fetch row取其中一行,然后解析出field,分词,获得wordhit,最后再加入到CSphSource的Hits里
CSphSource 数据源 CSphSource_XMLPipe2-XML文件获取数据 CSphSource_SQL-SQL(MySQL)获取数据 CSphIndex 索引器 派生类CSphIndex_VLN // 索引过程 virtual int Build ( CSphDict * pDict, const CSphVector<CSphSource*> & d...
sphinx索引部分源码续——过程:连接到CSphSource对应的sql数据源,通过fetch row取其中一行,然后解析出field,分词,获得wordhit,最后再加入到CSphSource的Hits里
后面就是初始化一些存储结构,其中重点说下缓存出来的几个临时文件分别的作用。结尾时tmp0的存储的是被上锁的Index,有些Index正在被查询使用 故上锁。tmp1,即对应将来生成的spp文件,存储词汇的位置信息,包含该词所在的文档ID,该词所在词典对应的ID,以及该词在本文档中的位置信息。 tmp2,即对应将来生成的spa文件存储的是文档信息,包含了DocID以及DocInfo信息。tmp7对...
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数据源field分词相关内容
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数据集成
数据集成(Data Integration)是阿里集团对外提供的可跨异构数据存储系统的、可靠、安全、低成本、可弹性扩展的数据同步平台,为400+对数据源提供不同网络环境下的全量/增量数据进出通道。
立即开通
产品价格
产品文档
产品入门
快速入门指导
常见问题
产品动态
产品最新动态
实时数据同步上线
最佳实践
整库迁移
批量上云
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数据集成
数据集成(Data Integration)是阿里集团对外提供的可跨异构数据存储系统的、可靠、安全、低成本、可弹性扩展的数据同步平台,为400+对数据源提供不同网络环境下的全量/增量数据进出通道。
立即开通
产品价格
产品文档
产品入门
快速入门指导
常见问题
产品动态
产品最新动态
实时数据同步上线
最佳实践
整库迁移
批量上云