Elasticsearch 学习之子聚集过滤

. 获取子聚合结果总数

{

    "size": ,

    "aggs": {

        "msisdnAgg": {

            "terms": {

                "field": "msisdn"

            },

            "aggs": {

                "tagAggs": {

                    "terms": {

                        "field": "tags"

                    }

                },

                "sum_of_rul": {

                    "sum_bucket": {

                        "buckets_path": "tagAggs>_count"

                    }

                }

            }

        }

    }

}

. 获取子聚合结果总数大于指定数

{

    "size": ,

    "aggs": {

        "msisdnAgg": {

            "terms": {

                "field": "msisdn"

            },

            "aggs": {

                "tagAggs": {

                    "terms": {

                        "field": "tags"

                    }

                },

                "sum_of_rul": {

                    "sum_bucket": {

                        "buckets_path": "tagAggs>_count"

                    }

                },

                "orderNumber_count_filter": {

                    "bucket_selector": {

                        "buckets_path":  {

                            "orderNumberCount": "sum_of_rul"

                        },

                        "script": "orderNumberCount > 2 "

                    }

                }

            }

        }

    }

}