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考虑到以下映射:
{
"person": {
"properties": {
"id": {
"type": "string"
},
"name": {
"type": "string"
},
...
"trainings": {
"properties": {
"attendanceDate": {
"type": "date",
"format": "dateOptionalTime"
},
"providerId": {
"type": "string",
"index": "not_analyzed"
},
"trainingId": {
"type": "string",
"index": "not_analyzed"
}
...
}
}
}
}
}
{
"aggs": {
"trainning_agg": {
"terms": {
"field": "trainings.trainingId"
},
"aggs": {
"provider_agg": {
"terms": {
"field": "trainings.providerId"
}
}
}
}
}
}
{
...
"aggregations": {
"training_agg": {
...
"buckets": [
{
"key": "17effec3-1284-4609-af41-2252b4dde8b5",
"doc_count": 8808,
"provider_agg": {
...
"buckets": [
{
"key": "17effec3-1284-4609-af41-2252b4dde8b5",
"doc_count": 8808
},
{
"key": "560be929-134b-4b67-befd-f38fdbb2f7ad",
"doc_count": 8808
},
{
"key": "96b16133-51ef-413c-afa5-24f74263126b",
"doc_count": 8808
},
{
"key": "96c36f93-90ce-4378-a9f2-8a8aaa780fd2",
"doc_count": 8808
},
{
"key": "e9467886-42e0-467c-a338-a7fcbc66125f",
"doc_count": 8808
},
{
"key": "f05554c2-778b-44b6-972e-c2fea01d924f",
"doc_count": 8808
},
{
"key": "ab40dcda-e253-4ff3-95e9-314e4ce5ba39",
"doc_count": 8807
},
{
"key": "5aaa2f31-6aa6-4d5a-86ea-8a25cb11247e",
"doc_count": 8081
},
{
"key": "d1c45ad7-046b-43de-b65e-012185c17f6a",
"doc_count": 4686
},
{
"key": "c06e0cee-1050-41b6-ac83-ea3a00f0abb7",
"doc_count": 3135
}
]
}
}
]
}
}
}
{
...
"aggregations": {
"training_agg": {
...
"buckets": [
{
"key": "17effec3-1284-4609-af41-2252b4dde8b5",
"doc_count": 8808,
"provider_agg": {
...
"buckets": [
{
"key": "17effec3-1284-4609-af41-2252b4dde8b5",
"doc_count": 8808
}
]
}
}
]
}
}
}
{
"hits": [
{
...
"_source": {
"id": "d9753b0fd674f9d55b8cd125258b2713b191499828dc5301162dffc17f3ddf4b",
"name": "Do Van Tien",
...
"trainings": [
{
"trainingName": "Certification - 4C",
"providerName": "Hidden Provider",
"trainingId": "c06e0cee-1050-41b6-ac83-ea3a00f0abb7",
"providerId": "c06e0cee-1050-41b6-ac83-ea3a00f0abb7",
"attendanceDate": "2012-07-07T00:00:00"
},
{
"trainingName": "GAP - Safety & Hygiene",
"providerName": "Hidden Provider",
"trainingId": "96c36f93-90ce-4378-a9f2-8a8aaa780fd2",
"providerId": "96c36f93-90ce-4378-a9f2-8a8aaa780fd2",
"attendanceDate": "2014-04-16T00:00:00"
},
{
"trainingName": "GAP - Crop protection",
"providerName": "Hidden Provider",
"trainingId": "ab40dcda-e253-4ff3-95e9-314e4ce5ba39",
"providerId": "ab40dcda-e253-4ff3-95e9-314e4ce5ba39",
"attendanceDate": "2014-04-16T00:00:00"
},
{
"trainingName": "GAP - Post Harvest",
"providerName": "Hidden Provider",
"trainingId": "d1c45ad7-046b-43de-b65e-012185c17f6a",
"providerId": "d1c45ad7-046b-43de-b65e-012185c17f6a",
"attendanceDate": "2012-07-07T00:00:00"
},
{
"trainingName": "GAP - Soil Management & Fertilizer Application",
"providerName": "Hidden Provider",
"trainingId": "17effec3-1284-4609-af41-2252b4dde8b5",
"providerId": "17effec3-1284-4609-af41-2252b4dde8b5",
"attendanceDate": "2012-08-16T00:00:00"
},
{
"trainingName": "GAP - Irrigation & Water Management",
"providerName": "Hidden Provider",
"trainingId": "560be929-134b-4b67-befd-f38fdbb2f7ad",
"providerId": "560be929-134b-4b67-befd-f38fdbb2f7ad",
"attendanceDate": "2012-07-07T00:00:00"
},
{
"trainingName": "GAP - Composting",
"providerName": "Hidden Provider",
"trainingId": "96b16133-51ef-413c-afa5-24f74263126b",
"providerId": "96b16133-51ef-413c-afa5-24f74263126b",
"attendanceDate": "2013-08-22T00:00:00"
},
{
"trainingName": "Certification - UTZ - Code of Conduct",
"providerName": "Hidden Provider",
"trainingId": "5aaa2f31-6aa6-4d5a-86ea-8a25cb11247e",
"providerId": "5aaa2f31-6aa6-4d5a-86ea-8a25cb11247e",
"attendanceDate": "2013-08-22T00:00:00"
},
{
"trainingName": "Economic - Business skills",
"providerName": "Hidden Provider",
"trainingId": "e9467886-42e0-467c-a338-a7fcbc66125f",
"providerId": "e9467886-42e0-467c-a338-a7fcbc66125f",
"attendanceDate": "2013-08-22T00:00:00"
},
{
"trainingName": "GAP - Pruning",
"providerName": "Hidden Provider",
"trainingId": "f05554c2-778b-44b6-972e-c2fea01d924f",
"providerId": "f05554c2-778b-44b6-972e-c2fea01d924f",
"attendanceDate": "2013-05-09T00:00:00"
}
]
}
},
{
...
"_source": {
"id": "dca2d4b86bf1bea73492bde614e0bb3d7cadf2f4f44e9fe3c5b4cf930d2cca00",
"name": "Le Thi Than",
...
"trainings": [
{
"trainingName": "Certification - UTZ - Code of Conduct",
"providerName": "Hidden Provider",
"trainingId": "5aaa2f31-6aa6-4d5a-86ea-8a25cb11247e",
"providerId": "5aaa2f31-6aa6-4d5a-86ea-8a25cb11247e",
"attendanceDate": "2012-06-25T00:00:00"
},
{
"trainingName": "GAP - Crop protection",
"providerName": "Hidden Provider",
"trainingId": "ab40dcda-e253-4ff3-95e9-314e4ce5ba39",
"providerId": "ab40dcda-e253-4ff3-95e9-314e4ce5ba39",
"attendanceDate": "2014-04-23T00:00:00"
},
{
"trainingName": "Economic - Business skills",
"providerName": "Hidden Provider",
"trainingId": "e9467886-42e0-467c-a338-a7fcbc66125f",
"providerId": "e9467886-42e0-467c-a338-a7fcbc66125f",
"attendanceDate": "2012-06-25T00:00:00"
},
{
"trainingName": "GAP - Soil Management & Fertilizer Application",
"providerName": "Hidden Provider",
"trainingId": "17effec3-1284-4609-af41-2252b4dde8b5",
"providerId": "17effec3-1284-4609-af41-2252b4dde8b5",
"attendanceDate": "2012-07-25T00:00:00"
},
{
"trainingName": "GAP - Composting",
"providerName": "Hidden Provider",
"trainingId": "96b16133-51ef-413c-afa5-24f74263126b",
"providerId": "96b16133-51ef-413c-afa5-24f74263126b",
"attendanceDate": "2012-06-25T00:00:00"
},
{
"trainingName": "GAP - Pruning",
"providerName": "Hidden Provider",
"trainingId": "f05554c2-778b-44b6-972e-c2fea01d924f",
"providerId": "f05554c2-778b-44b6-972e-c2fea01d924f",
"attendanceDate": "2013-05-21T00:00:00"
},
{
"trainingName": "GAP - Irrigation & Water Management",
"providerName": "Hidden Provider",
"trainingId": "560be929-134b-4b67-befd-f38fdbb2f7ad",
"providerId": "560be929-134b-4b67-befd-f38fdbb2f7ad",
"attendanceDate": "2012-06-25T00:00:00"
},
{
"trainingName": "GAP - Safety & Hygiene",
"providerName": "Hidden Provider",
"trainingId": "96c36f93-90ce-4378-a9f2-8a8aaa780fd2",
"providerId": "96c36f93-90ce-4378-a9f2-8a8aaa780fd2",
"attendanceDate": "2013-05-21T00:00:00"
},
{
"trainingName": "GAP - Post Harvest",
"providerName": "Hidden Provider",
"trainingId": "d1c45ad7-046b-43de-b65e-012185c17f6a",
"providerId": "d1c45ad7-046b-43de-b65e-012185c17f6a",
"attendanceDate": "2012-06-25T00:00:00"
}
]
}
}
]
}
最佳答案
好的,那么您只需声明您的trainings
type: nested
的属性(property)在您的映射中,如下所示:
{
"mappings": {
"person": {
"properties": {
"id": {
"type": "string"
},
"name": {
"type": "string"
},
"trainings": {
"type": "nested", <----- add "nested" here
"properties": {
"attendanceDate": {
"type": "date",
"format": "dateOptionalTime"
},
"providerId": {
"type": "string",
"index": "not_analyzed"
},
"trainingId": {
"type": "string",
"index": "not_analyzed"
}
}
}
}
}
}
}
nested
输入,像这样:
{
"size": 0,
"aggs": {
"trainning_agg": {
"nested": { <----- use nested aggregation
"path": "trainings"
},
"aggs": {
"trainings": {
"terms": {
"field": "trainings.trainingId"
},
"aggs": {
"provider_agg": {
"terms": {
"field": "trainings.providerId"
}
}
}
}
}
}
}
}
{
...
"aggregations" : {
"trainning_agg" : {
"doc_count" : 19,
"trainings" : {
"doc_count_error_upper_bound" : 0,
"sum_other_doc_count" : 0,
"buckets" : [ {
"key" : "17effec3-1284-4609-af41-2252b4dde8b5",
"doc_count" : 2,
"provider_agg" : {
"doc_count_error_upper_bound" : 0,
"sum_other_doc_count" : 0,
"buckets" : [ {
"key" : "17effec3-1284-4609-af41-2252b4dde8b5",
"doc_count" : 2
} ]
}
}, {
"key" : "560be929-134b-4b67-befd-f38fdbb2f7ad",
"doc_count" : 2,
"provider_agg" : {
"doc_count_error_upper_bound" : 0,
"sum_other_doc_count" : 0,
"buckets" : [ {
"key" : "560be929-134b-4b67-befd-f38fdbb2f7ad",
"doc_count" : 2
} ]
}
}, {
"key" : "5aaa2f31-6aa6-4d5a-86ea-8a25cb11247e",
"doc_count" : 2,
"provider_agg" : {
"doc_count_error_upper_bound" : 0,
"sum_other_doc_count" : 0,
"buckets" : [ {
"key" : "5aaa2f31-6aa6-4d5a-86ea-8a25cb11247e",
"doc_count" : 2
} ]
}
}, {
"key" : "96b16133-51ef-413c-afa5-24f74263126b",
"doc_count" : 2,
"provider_agg" : {
"doc_count_error_upper_bound" : 0,
"sum_other_doc_count" : 0,
"buckets" : [ {
"key" : "96b16133-51ef-413c-afa5-24f74263126b",
"doc_count" : 2
} ]
}
}, {
"key" : "96c36f93-90ce-4378-a9f2-8a8aaa780fd2",
"doc_count" : 2,
"provider_agg" : {
"doc_count_error_upper_bound" : 0,
"sum_other_doc_count" : 0,
"buckets" : [ {
"key" : "96c36f93-90ce-4378-a9f2-8a8aaa780fd2",
"doc_count" : 2
} ]
}
}, {
"key" : "ab40dcda-e253-4ff3-95e9-314e4ce5ba39",
"doc_count" : 2,
"provider_agg" : {
"doc_count_error_upper_bound" : 0,
"sum_other_doc_count" : 0,
"buckets" : [ {
"key" : "ab40dcda-e253-4ff3-95e9-314e4ce5ba39",
"doc_count" : 2
} ]
}
}, {
"key" : "d1c45ad7-046b-43de-b65e-012185c17f6a",
"doc_count" : 2,
"provider_agg" : {
"doc_count_error_upper_bound" : 0,
"sum_other_doc_count" : 0,
"buckets" : [ {
"key" : "d1c45ad7-046b-43de-b65e-012185c17f6a",
"doc_count" : 2
} ]
}
}, {
"key" : "e9467886-42e0-467c-a338-a7fcbc66125f",
"doc_count" : 2,
"provider_agg" : {
"doc_count_error_upper_bound" : 0,
"sum_other_doc_count" : 0,
"buckets" : [ {
"key" : "e9467886-42e0-467c-a338-a7fcbc66125f",
"doc_count" : 2
} ]
}
}, {
"key" : "f05554c2-778b-44b6-972e-c2fea01d924f",
"doc_count" : 2,
"provider_agg" : {
"doc_count_error_upper_bound" : 0,
"sum_other_doc_count" : 0,
"buckets" : [ {
"key" : "f05554c2-778b-44b6-972e-c2fea01d924f",
"doc_count" : 2
} ]
}
}, {
"key" : "c06e0cee-1050-41b6-ac83-ea3a00f0abb7",
"doc_count" : 1,
"provider_agg" : {
"doc_count_error_upper_bound" : 0,
"sum_other_doc_count" : 0,
"buckets" : [ {
"key" : "c06e0cee-1050-41b6-ac83-ea3a00f0abb7",
"doc_count" : 1
} ]
}
} ]
}
}
}
}
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