Elasticsearch可以聚合数组吗
展开全部
Terms聚合
{
"aggs" : {
"genders" : {
"terms" : { "field" : "gender" }
}
}
}
得到的结果如下:
{
...
"aggregations" : {
"genders" : {
"doc_count_error_upper_bound": 0,
"sum_other_doc_count": 0,
"buckets" : [
{
"key" : "male",
"doc_count" : 10
},
{
"key" : "female",
"doc_count" : 10
},
]
}
}
}
{
"aggs" : {
"genders" : {
"terms" : { "field" : "gender" }
}
}
}
得到的结果如下:
{
...
"aggregations" : {
"genders" : {
"doc_count_error_upper_bound": 0,
"sum_other_doc_count": 0,
"buckets" : [
{
"key" : "male",
"doc_count" : 10
},
{
"key" : "female",
"doc_count" : 10
},
]
}
}
}
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