# order：按每种颜色的平均销售额升序排序
统计每种颜色的平均销售额？
GET /tvs/sales/_search
{
"size": 0,
"aggs": {
"group_by_color": {
"terms": {
"field": "color"
},
"aggs": {
"avg_price": {
"avg": {
"field": "price"
}
}
}
}
}
}
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响应结果
{
"took": 2,
"timed_out": false,
"_shards": {
"total": 5,
"successful": 5,
"failed": 0
},
"hits": {
"total": 8,
"max_score": 0,
"hits": []
},
"aggregations": {
"group_by_color": {
"doc_count_error_upper_bound": 0,
"sum_other_doc_count": 0,
"buckets": [
{
"key": "红色",
"doc_count": 4,
"avg_price": {
"value": 3250
}
},
{
"key": "绿色",
"doc_count": 2,
"avg_price": {
"value": 2100
}
},
{
"key": "蓝色",
"doc_count": 2,
"avg_price": {
"value": 2000
}
}
]
}
}
}
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对于响应结果来说，看不出来默认是按照什么来排序的（视屏中说默认是按照 doc_count 排序的）， 那么这里使用升序来展示结果肯定是能看到效果了
GET /tvs/sales/_search
{
"size": 0,
"aggs": {
"group_by_color": {
"terms": {
"field": "color",
"order": {
"avg_price": "asc"
}
},
"aggs": {
"avg_price": {
"avg": {
"field": "price"
}
}
}
}
}
}
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响应结果
{
"took": 5,
"timed_out": false,
"_shards": {
"total": 5,
"successful": 5,
"failed": 0
},
"hits": {
"total": 8,
"max_score": 0,
"hits": []
},
"aggregations": {
"group_by_color": {
"doc_count_error_upper_bound": 0,
"sum_other_doc_count": 0,
"buckets": [
{
"key": "蓝色",
"doc_count": 2,
"avg_price": {
"value": 2000
}
},
{
"key": "绿色",
"doc_count": 2,
"avg_price": {
"value": 2100
}
},
{
"key": "红色",
"doc_count": 4,
"avg_price": {
"value": 3250
}
}
]
}
}
}
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