多字段聚合

curl -XPOST localhost:9200/photo -d '{

"photo": {

"properties": {

"id": {

"type": "String"

},

"title": {

"type": "String"

},

"category":{

"type": "String"

},

"uploader_name": {

"type": "String"

},

"uploader_id": {

"type": "String"

},

"keyword": {

"properties":{

"categoryId":{

"type": "String"

},

"content":{

"type": "String"

}

}

}

}

}

}'

curl -XPOST localhost:9200/photo/photo/1 -d '{

"id":"1",

"title":"北京天坛风景",

"uploader_name":"felayman",

"uploader_id":"1",

"keyword":[

{

"categoryId":"1",

"content":"北京"

},

{

"categoryId":"2",

"content":"天坛"

},

{

"categoryId":"3",

"content":"秋天"

},

{

"categoryId":"4",

"content":"旅游"

}

]

}'

curl -XPOST localhost:9200/photo/photo/2 -d '{

"id":"2",

"title":"河南",

"content":"旅游"

}

]

}'

curl -XGET 'localhost:9200/photo/photo/_search?pretty' -d '{

"aggregations": {

"agg": {

"terms": {

"field": "keyword.categoryId"

}

}

}

}'

curl -XPOST 'localhost:9200/photo/photo/2/_update' -d '{

"doc": {"keyword" : [{

"categoryId":"2",

"content":"旅游"

}]}

}';

（编辑：李大同）

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