007 PipeLine Agg
# PipeLine Agg
# 第一类，sibling 结果和现有的分析结果同级
# max，min， avg & sum bucket；stats bucket; percentiles bucket
# 第二类，parent，结果内嵌到现有的聚合分析之中
# derivative 求导； Cumultive Sum累计求和；Moving Function滑动窗口
POST kibana_sample_data_flights/_search
{
"size": 0,
"aggs": {
"Dests": {
"terms": {
"field": "Dest",
"size": 10
},
"aggs": {
"avg_AvgTicketPrice": {
"avg": {
"field": "AvgTicketPrice"
}
}
}
},
"stats_by_dest": {
"stats_bucket": {
"buckets_path": "Dests.avg_AvgTicketPrice"
}
}
}
}
POST kibana_sample_data_flights/_search
{
"size": 0,
"aggs": {
"DistanceMiles": {
"histogram": {
"field": "DistanceMiles",
"interval": 200,
"min_doc_count": 100
},
"aggs": {
"avg_AvgTicketPrice": {
"avg": {
"field": "AvgTicketPrice"
}
},
"derivative_avg_AvgTicketPrice":{
"derivative": {
"buckets_path": "avg_AvgTicketPrice"
}
}
}
}
}
}
