elasticsearch 笔记四：聚合分析

最新推荐文章于 2024-11-18 21:00:58 发布

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最新推荐文章于 2024-11-18 21:00:58 发布

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分类专栏： elasticsearch

本文链接：https://blog.youkuaiyun.com/qzqanzc/article/details/83302473

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1.第一个分析需求：计算每个tag下的商品数量


GET /ecommerce/product/_search
{
  "aggs": {
    "group_by_tags": {
      "terms": {
        "field": "tags"
      }
    }
  }
}

-----------------------------------------------------------------------
{
  "took": 48,
  "timed_out": false,
  "_shards": {
    "total": 5,
    "successful": 5,
    "failed": 0
  },
  "hits": {
    "total": 4,
    "max_score": 1,
    "hits": [
      {
        "_index": "ecommerce",
        "_type": "product",
        "_id": "2",
        "_score": 1,
        "_source": {
          "name": "jiajieshi yagao",
          "desc": "youxiao fangzhu",
          "price": 25,
          "producer": "jiajieshi producer",
          "tags": [
            "fangzhu"
          ]
        }
      },
      {
        "_index": "ecommerce",
        "_type": "product",
        "_id": "4",
        "_score": 1,
        "_source": {
          "name": "heiren",
          "desc": "xiren yagao",
          "price": 50,
          "producer": "jiajieshi yagao",
          "tags": [
            "heiren"
          ]
        }
      },
      {
        "_index": "ecommerce",
        "_type": "product",
        "_id": "1",
        "_score": 1,
        "_source": {
          "name": "heiren",
          "desc": "xiren yagao",
          "price": 50,
          "producer": "jiajieshi yagao",
          "tags": [
            "heiren"
          ]
        }
      },
      {
        "_index": "ecommerce",
        "_type": "product",
        "_id": "3",
        "_score":