Elasticsearch Weighted Avg Aggre
2020-09-23 本文已影响0人
觉释
POST /exams/_search
{
"size": 0,
"aggs": {
"weighted_grade": {
"weighted_avg": {
"value": {
"field": "grade"
},
"weight": {
"field": "weight"
}
}
}
}
}
返回值
{
...
"aggregations": {
"weighted_grade": {
"value": 70.0
}
}
}
POST /exams/_doc?refresh
{
"grade": [1, 2, 3],
"weight": 2
}
POST /exams/_search
{
"size": 0,
"aggs": {
"weighted_grade": {
"weighted_avg": {
"value": {
"field": "grade"
},
"weight": {
"field": "weight"
}
}
}
}
}
返回值
{
...
"aggregations": {
"weighted_grade": {
"value": 2.0
}
}
}
