[英]Finding union or intersection of buckets using elasticsearch aggregations
i have nested aggregations and i want to find union or intersections of 2nd aggregations buckets based on conditions on my 1st aggregation bucket results.For eg this my aggregation. 我有嵌套的聚合,并且我想根据我的第一个聚合存储桶结果上的条件找到第二个聚合存储桶的并集或交集。例如,这就是我的聚合。
"aggs": {
"events": {
"terms": {
"field": "event_name"
},
"aggs":{
"devices":{
"terms":{
"field": "device-id"
}
}
}
}
}
And this the result of my aggregation 这是我聚合的结果
"aggregations": {
"events": {
"doc_count_error_upper_bound": 0,
"sum_other_doc_count": 0,
"buckets": [
{
"key": "conversion_checkout",
"doc_count": 214,
"devices": {
"doc_count_error_upper_bound": 0,
"sum_other_doc_count": 6,
"buckets": [
{
"key": "9a11f243d44",
"doc_count": 94
},
{
"key": "ddcb21fd6cb",
"doc_count": 35
}
]
}
},
{
"key": "action_view_product",
"doc_count": 5,
"devices": {
"doc_count_error_upper_bound": 0,
"sum_other_doc_count": 0,
"buckets": [
{
"key": "54E4C593",
"doc_count": 4
},
{
"key": "9a11f243d44",
"doc_count": 1
}
]
}
}
]
}
} }
Now if i want to find all the devices which have done action_view_product and conversion_checkout how do i do it in aggregations? 现在,如果我想查找所有已完成action_view_product和conversion_checkout的设备,我该如何进行汇总?
I think you want to get all the device-ids having event_names action_view_product and conversion_checkout as follows- 我认为您希望获得具有event_names action_view_product和conversion_checkout的所有设备ID,如下所示:
{
"aggregations":{
"devices_agg":{
"doc_count":516,
"devices":{
"doc_count_error_upper_bound":0,
"sum_other_doc_count":0,
"buckets":[
{
"key":623232334,
"doc_count":275
},
{
"key":245454512,
"doc_count":169
},
{
"key":345454567,
"doc_count":32
},
{
"key":578787565,
"doc_count":17
},
{
"key":146272715,
"doc_count":23
}
]
}
}
}
}
The doc_count = 516 is the total number of documents having event_names either action_view_product or conversion_checkout and "key" in the devices aggregation is device-id. doc_count = 516是具有event_name或action_view_product或conversion_checkout的文档总数,并且设备聚合中的“关键字”是device-id。
If I get you correct, then below query will do the thing for you- 如果我答对了,那么下面的查询将为您完成此任务-
{
"size": 0,
"aggs": {
"devices_agg": {
"filter": {
"bool": {
"must": [
{
"terms": {
"event_name": [
"action_view_product",
"conversion_checkout"
]
}
}
]
}
},
"aggs": {
"devices": {
"terms": {
"field": "device-id",
"size": 100
}
}
}
}
}
}
Let me know if I got you wrong. 如果我弄错了,请告诉我。
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