三、父子关系数据建模nested object的建模，有个不好的地方，就是采取的是类似冗余数据的方式，将多个数据都放在一起了，维护成本就比较高每次更新，需要重新索引整个对象（包括跟对象和嵌套对象）ES 提供了类似关系型数据库中 Join 的实现。使用 Join 数据类型实现，可以通过 Parent / Child 的关系，从而分离两个对象父文档和子文档是两个独立的文档更新父文档无需重新索引....

文章 2022-04-25 来自：开发者社区

ElasticSearch 查询与 Java API 实践(上)

一、ElasticSearch文档分值_score计算底层原理1）boolean model根据用户的query条件，先过滤出包含指定term的docquery "hello world" ‐‐> hello / world / hello & world bool ‐‐> must/must not/should ‐‐> 过滤 ‐‐> 包含 / 不包含 / ...

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更新时间 2024-04-08 09:08:28

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