elasticsearch ElasticSearch转换,无嵌套字段名的脚本化_度量
我创建了一个ElasticSearch转换,如下所示:elasticsearch ElasticSearch转换,无嵌套字段名的脚本化_度量,elasticsearch,scripting,transformation,elasticsearch,Scripting,Transformation,我创建了一个ElasticSearch转换,如下所示: "source": { "index": "input_index" }, "dest" : { "index" : "output_index" }, "pivot": { "group_by": { "device
"source": {
"index": "input_index"
},
"dest" : {
"index" : "output_index"
},
"pivot": {
"group_by": {
"device_id": { "terms": { "field": "device_id.keyword" }}
},
"aggregations": {
"@timestamp": {
"max": {
"field": "@timestamp"
}
},
"latest_doc": {
"scripted_metric": {
"init_script": ...,
"map_script": ... }",
"combine_script": "return state",
"reduce_script": .... return last_doc (last_doc contains document from input_index)
}
}
}
}
这非常有效,但是目标索引中的所有字段都以“latest_doc”开头。
有没有办法防止字段名与此最新文档标签一起出现
(否则,我必须对输入索引和输出索引使用不同的索引模板)找到了一个解决方法,供任何想知道的人使用: 添加了一个摄取管道:
PUT _ingest/pipeline/remove_trailing_
{
"processors": [{
"script": {
"source": """
for(item in ctx['latest_doc'].entrySet()) {
def f1 = 'latest_doc.' + item.getKey();
def f2 = item.getKey();
ctx[f2] = item.getValue();
}
ctx.remove('latest_doc');
"""
}
}
]
}