es分组后，过滤符合条件数量的记录

GET es-index/_search
{
  "size": 0,
  "aggs": {
    "group_by_data_domain": {
      "terms": {
        "field": "data.domain.keyword"
      },
      "aggs": {
        "count_domain": {
          "bucket_selector": {
            "buckets_path": {
              "domain_count": "_count"
            },
            "script": {
              "source": "params.domain_count >=1 "
            }
          }
        }
      }
    }
  }
}

java代码实现参考

String tremsAlias = "userIdGroup";

//先分组，如果不指定size，默认10条，这里可以传个int最大值 2147483647，一次取所有数据
TermsAggregationBuilder termsAgg = AggregationBuilders.terms(tremsAlias).field("userId").size(Integer.MAX_VALUE).order(Terms.Order.term(true));
//聚合，count为自带的
termsAgg.subAggregation(AggregationBuilders.avg("avgAmount").field("amount"));
//声明BucketPath，用于后面的bucket筛选
Map<String, String> bucketsPathsMap = new HashMap<>(8);
bucketsPathsMap.put("orderCount", "_count");
bucketsPathsMap.put("avgAmount", "avgAmount");
//设置脚本
Script script = new Script("params.avgAmount >= 100 && params.orderCount >=2");

//构建bucket选择器
BucketSelectorPipelineAggregationBuilder bs =
        PipelineAggregatorBuilders.bucketSelector("having", bucketsPathsMap, script);

termsAgg.subAggregation(bs);

SearchRequestBuilder sb = client.prepareSearch("index_test").setTypes("type_order");
SearchResponse sr = sb.setSize(0).addAggregation(termsAgg).execute().actionGet();
System.out.println("查询Query：");
System.out.println(sb);

//获取聚合筛选的结果数据
LongTerms lt = sr.getAggregations().get(tremsAlias);
List<LongTerms.Bucket> buckets = lt.getBuckets();
for (int i = 0; i < buckets.size(); i++) {
    LongTerms.Bucket bucket = buckets.get(i);
    System.out.println("-------------------------");
    System.out.println(bucket.getKey());
    System.out.println("count = " + bucket.getDocCount());
    List<Aggregation> list = bucket.getAggregations().asList();
    for (Aggregation agg : list) {
        if (agg instanceof InternalAvg) {
            InternalAvg ia = bucket.getAggregations().get("avgAmount");
            System.out.println("avgAmount = " + ia.getValue());
        }
    }
    System.out.println("-------------------------");

}
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原文链接：https://blog.csdn.net/tuposky/article/details/81002526