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[英]How to calculate cumulative_sum within a terms aggregation nested inside a date_histogram [elastic search - 5.6]?
[英]How to define histogram / date_histogram as parent of a moving average aggregation
使用弹性搜索和Java。 不使用json或其他外部资源进行查询。
这样的事情应该做:
SumAggregationBuilder sum = AggregationBuilders.sum("my_sum")
.field("amount_field");
MovAvgPipelineAggregationBuilder mavg = PipelineAggregatorBuilders.movingAvg("my_mov_avg", "my_sum");
DateHistogramBuilder histo = AggregationBuilders.dateHistogram("histo")
.field("date_field")
.subAggregation(sum)
.subAggregation(mavg);
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