问题描述
我想在java中编写以下elasticsearch聚合查询。我无法在 java 中为此编写脚本,请帮忙
"aggs":{
"AVG_MEMORY_USAGE": {
"avg": {
"script": {"lang": "expression","source": "doc['ProcessingTimeInMilliSecs']/doc['timezone']" }
}
}
}
解决方法
找到了一种方法:
Script script = new
Script("doc['ProcessingTimeInMilliSecs'].value/doc['timezone'].value");
AvgAggregationBuilder agg =
AggregationBuilders.avg("AVG_MEMORY_USAGE").script(script);
Avg avg = agg.getAggregations().get("AVG_MEMORY_USAGE");
String avgValue = avg.getValue();
script 使用无痛语言作为默认语言,所以我没有在“script”中明确提到 lang 参数