# 下钻分析之统计每季度每个品牌的销售额
GET /tvs/sales/_search
{
"size": 0,
"aggs": {
"dales": {
"date_histogram": {
"field": "sold_date",
"interval": "quarter",
"format": "yyyy-MM-dd",
"min_doc_count": 0,
"extended_bounds":{
"min" : "2016-01-01",
"max" : "2017-12-31"
}
},
"aggs": {
"group_brand": {
"terms": {
"field": "brand"
},
"aggs": {
"brand_sales": {
"sum": {
"field": "price"
}
}
}
},
"total_sales":{
"sum": {
"field": "price"
}
}
}
}
}
}
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在按季度分组（桶）之后，在此基础上进行下钻分析
- group_brand：按品牌分组，并计算每个品牌的总价
- total_sales：计算每个季度的总销售额
响应结果
{
"took": 6,
"timed_out": false,
"_shards": {
"total": 5,
"successful": 5,
"failed": 0
},
"hits": {
"total": 8,
"max_score": 0,
"hits": []
},
"aggregations": {
"dales": {
"buckets": [
{
"key_as_string": "2016-01-01",
"key": 1451606400000,
"doc_count": 0,
"group_brand": {
"doc_count_error_upper_bound": 0,
"sum_other_doc_count": 0,
"buckets": []
},
"total_sales": {
"value": 0
}
},
{
"key_as_string": "2016-04-01",
"key": 1459468800000,
"doc_count": 1,
"group_brand": {
"doc_count_error_upper_bound": 0,
"sum_other_doc_count": 0,
"buckets": [
{
"key": "小米",
"doc_count": 1,
"brand_sales": {
"value": 3000
}
}
]
},
"total_sales": {
"value": 3000
}
},
{
"key_as_string": "2016-07-01",
"key": 1467331200000,
"doc_count": 2,
"group_brand": {
"doc_count_error_upper_bound": 0,
"sum_other_doc_count": 0,
"buckets": [
{
"key": "TCL",
"doc_count": 2,
"brand_sales": {
"value": 2700
}
}
]
},
"total_sales": {
"value": 2700
}
},
{
"key_as_string": "2016-10-01",
"key": 1475280000000,
"doc_count": 3,
"group_brand": {
"doc_count_error_upper_bound": 0,
"sum_other_doc_count": 0,
"buckets": [
{
"key": "长虹",
"doc_count": 3,
"brand_sales": {
"value": 5000
}
}
]
},
"total_sales": {
"value": 5000
}
},
{
"key_as_string": "2017-01-01",
"key": 1483228800000,
"doc_count": 2,
"group_brand": {
"doc_count_error_upper_bound": 0,
"sum_other_doc_count": 0,
"buckets": [
{
"key": "三星",
"doc_count": 1,
"brand_sales": {
"value": 8000
}
},
{
"key": "小米",
"doc_count": 1,
"brand_sales": {
"value": 2500
}
}
]
},
"total_sales": {
"value": 10500
}
},
{
"key_as_string": "2017-04-01",
"key": 1491004800000,
"doc_count": 0,
"group_brand": {
"doc_count_error_upper_bound": 0,
"sum_other_doc_count": 0,
"buckets": []
},
"total_sales": {
"value": 0
}
},
{
"key_as_string": "2017-07-01",
"key": 1498867200000,
"doc_count": 0,
"group_brand": {
"doc_count_error_upper_bound": 0,
"sum_other_doc_count": 0,
"buckets": []
},
"total_sales": {
"value": 0
}
},
{
"key_as_string": "2017-10-01",
"key": 1506816000000,
"doc_count": 0,
"group_brand": {
"doc_count_error_upper_bound": 0,
"sum_other_doc_count": 0,
"buckets": []
},
"total_sales": {
"value": 0
}
}
]
}
}
}
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