Warn FilterPath transforms the response and can break response parsing #3331
Description
Elasticsearch version: 6.2.3
-
Problem step description:
-
index's object json like:
{
"_index": "metric_ctdms",
"_type": "ctdms",
"_id": "lO_-kmQB1uD8GkS4gI32",
"_version": 1,
"_score": 2,
"_source": {
"type": "CTMonitorPa5min",
"description": "CT monitor data",
"guid": "99dc0c12-bf9d-46df-ae41-a98d7ba92f3e",
"serialNumber": "300001",
"productNumber": "88000032",
"systemID": "101014010001 ",
"sourceName": "",
"level": "0",
"priority": "1",
"operationDateTime": "2018-07-13T17:02:07.5639857+08:00",
"uID": "",
"attamentFilePath": "",
"attamentFileMD5": "",
"devLogFilePath": "",
"devLogFileMD5": "",
"item": {
"key": [
{
"name": "DetectorTempL",
"lowerThreshold": 300435,
"upperThreshold": 680912.76,
"unit": "摄氏度",
"value": 42.32
},
{
"name": "DetectorTempM",
"lowerThreshold": 4432.12,
"upperThreshold": 431503.62,
"unit": "摄氏度",
"value": 38.2
}
]
}
},
"fields": {
"operationDateTime": [
"2018-07-13T09:02:07.563Z"
]
}
}
- C# Nest client access code like this:
var client = GetClient();
var filterPath = new string[] { "aggregations.*.*.buckets" };
var request = new SearchRequest(indices)
{
Query = new MatchQuery() { Field = "systemID", Query = systemID }
&& new DateRangeQuery() { Field = "operationDateTime", LessThanOrEqualTo = "now", Format = "yyyyMMdd" },
Size = 1,
Sort = new List<ISort>
{
new SortField {Field = "operationDateTime", Order = SortOrder.Descending}
},
Aggregations = new NestedAggregation("nested")
{
Path = "item.key",
Aggregations = new TermsAggregation("terms")
{
Field = "item.key.name.keyword",
Aggregations = new AverageAggregation("avg", "item.key.value")
}
},
FilterPath = filterPath,
};
var response = await client.SearchAsync<CTDMS<CTDMSItem>>(request);
var agg = response.Aggregations.Nested("nested").Terms("terms");
- response DebugInformation like this:
Valid NEST response built from a successful low level call on POST: /%2Adms%2A/_search?typed_keys=true&filter_path=aggregations.%2A.%2A.buckets
# Audit trail of this API call:
- [1] HealthyResponse: Node: http://localhost:9200/ Took: 00:00:02.0860412
# Request:
{"size":1,"sort":[{"operationDateTime":{"order":"desc"}}],"query":{"bool":{"must":[{"match":{"systemID":{"query":"101092010010"}}},{"range":{"operationDateTime":{"lte":"now","format":"yyyyMMdd"}}}]}},"aggs":{"nested":{"nested":{"path":"item.key"},"aggs":{"terms":{"terms":{"field":"item.key.name.keyword"},"aggs":{"avg":{"avg":{"field":"item.key.value"}}}}}}}}
# Response:
{"aggregations":{"nested#nested":{"sterms#terms":{"buckets":[{"key":"DetectorTempL","doc_count":19,"avg#avg":{"value":34.906860753109584}},{"key":"DetectorTempM","doc_count":19,"avg#avg":{"value":35.17318605121813}},{"key":"DetectorTempR","doc_count":19,"avg#avg":{"value":35.05932958502518}},{"key":"RackENVTemp","doc_count":19,"avg#avg":{"value":24.34830103422466}}]}}}}
- Problem result description:
the value of response's NestedAggration is null
I donot know what happened, do anyone give me some hint?
thanks.