# 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" } } } } } }Copied!
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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 } } ] } } }Copied!
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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" } } } } } }Copied!
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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 } } ] } } }Copied!
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