如何去处重复查询呢？类似 MySQL 的 distinct - V2EX
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qq7588245
V2EX    Elasticsearch

如何去处重复查询呢？类似 MySQL 的 distinct

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  •   qq7588245 2017-12-03 16:01:40 +08:00 4007 次点击
    这是一个创建于 2950 天前的主题，其中的信息可能已经有所发展或是发生改变。

    类似 MySQL 的语句：SELECT DISTINCT title FROM table

  • MySQL
  • distinct
  • select
  • table
    2 条回复    2017-12-03 19:56:12 +08:00
    fjkfwz406
        1
    fjkfwz406  
       2017-12-03 18:57:46 +08:00
    你可以试试聚合查询
    binjjam
        2
    binjjam  
       2017-12-03 19:56:12 +08:00
    我一般用这个 cardinality，不过这个不是准确值，详见文档
    https://www.elastic.co/guide/cn/elasticsearch/guide/current/cardinality.html
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