es 时间字段聚合_Elasticsearch多字段聚合查询

最近用到es做人群画像，原始数据是带标签的pin包，为了方便查询，对数据做了预处理，按标签做聚合，由于标签的数量不固定，所以想起来用递归实现多字段聚合(三个及三个以上字段)，源码在此，方便大家参阅。类似group by field1,field2,field3...

Note：groupFields存放聚合的字段

List groupFields = new ArrayList<>();

groupFields.add("字段1");

groupFields.add("字段2");

groupFields.add("字段3");

TermsBuilder termsBuilder = AggregationBuilders.terms(groupFields.get(0)).field(groupFields.get(0)).size(100);

subAgg(groupFields, termsBuilder, 0);

SearchResponse response = client.prepareSearch(INDEX_NAME).addAggregation(termsBuilder).setSize(0).execute().actionGet(60000);

Terms terms = response.getAggregations().get(groupFields.get(0));

for (Terms.Bucket bucket : terms.getBuckets()) {

StringBuilder builder = new StringBuilder();

builder.append(bucket.getKey()).