Elastis 如何只获取date_histogram聚合结果的前两个
"aggs": {
"group_by_category1": {
"terms": {
"field": "merchandise.Level1.keyword"
},
"aggs": {
"group_by_category3": {
"terms": {
"field": "merchandise.Level3.keyword"
},
"aggs": {
"group_by_createdDate": {
"date_histogram": {
"field": "createdDate",
"interval": "1d",
"time_zone": "+08:00",
"format": "yyyy-MM-dd",
"min_doc_count": 1,
"order": {
"_key": "desc"
}
},
"aggs": {
"avg_price": {
"avg": {
"field": "merchandise.unitPrice"
}
}
}
}
}
}
}
}
}