{"id":1315,"date":"2024-08-23T20:59:56","date_gmt":"2024-08-23T12:59:56","guid":{"rendered":"http:\/\/blue.yn.cn\/?p=1315"},"modified":"2024-08-23T21:57:03","modified_gmt":"2024-08-23T13:57:03","slug":"object%e5%8f%8anested%e6%95%b0%e6%8d%ae%e7%b1%bb%e5%9e%8b","status":"publish","type":"post","link":"http:\/\/blue.yn.cn\/?p=1315","title":{"rendered":"object\u53canested\u6570\u636e\u7c7b\u578b"},"content":{"rendered":"

\u4e00\u4e2ablog<\/code>\u53ef\u80fd\u5bf9\u5e94\u4e8e\u5f88\u591a\u7684comments<\/code>\uff0c\u6216\u8005\u4e00\u4e2a\u5458\u5de5\u5bf9\u5e94\u4e8e\u5f88\u591a\u7684\u7ecf\u9a8c\u3002\uff0c
\n\u8fd9\u79cd\u6570\u636e\u5c31\u662f\u5173\u7cfb\u6570\u636e\u3002<\/p>\n

object\u6570\u636e\u7c7b\u578b<\/h3>\n

json\u6587\u6863\u672c\u8d28\u4e0a\u5e02\u5206\u6210\u7684\uff1a\u6587\u6863\u53ef\u80fd\u5305\u542b\u5185\u90e8\u5bf9\u8c61\uff0c\u800c\u5185\u90e8\u5bf9\u8c61\u53c8\u53ef\u80fd\u5305\u542b\u5185\u90e8\u5bf9\u8c61\u7684\u672c\u8eab\uff1b<\/p>\n

\"file\"<\/p>\n

    \n
  1. \u5916\u90e8\u6587\u6863\u4e5f\u662f\u4e00\u4e2ajson<\/code>\u5bf9\u8c61<\/li>\n
  2. \u5b83\u5305\u542b\u4e00\u4e2a\u540d\u4e3amanager<\/code>\u7684\u5185\u90e8\u5bf9\u8c61<\/li>\n
  3. \u5176\u4e2d\u53c8\u5305\u542b\u4e00\u4e2a\u540d\u4e3aname<\/code>\u7684\u5185\u90e8\u5bf9\u8c61<\/li>\n<\/ol>\n

    \u5728elasticsearch<\/code>\u5185\u90e8\uff0c\u8be5\u6587\u6863\u88ab\u7d22\u5f15\u4e3a\u4e00\u4e2a\u7b80\u5355\u7684\u952e\u503c\u5bf9\u5e94\u5217\u8868\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n

    {\n  "region":             "US",\n  "manager.age":        30,\n  "manager.name.first": "John",\n  "manager.name.last":  "Smith"\n}<\/code><\/pre>\n
    \u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u9996\u9009\u521b\u5efa\u4e00\u4e2a\u53eb\u505adeveloper<\/code>\u7684\u7d22\u5f15\uff0c\u5e76\u8f93\u5165\u5982\u4e0b\u7684\u4e24\u4e2a\u6570\u636e\uff1a<\/p>\n
    POST developer\/_doc\/101\n{\n  "name": "zhang san",\n  "skills": [\n    {\n      "language": "ruby",\n      "level": "expert"\n    },\n    {\n      "language": "javascript",\n      "level": "beginner"\n    }\n   ]\n}\n\nPOST developer\/_doc\/102\n{\n  "name": "li si",\n  "skills": [\n    {\n      "language": "ruby",\n      "level": "beginner"\n    }\n   ]\n}<\/code><\/pre>\n
    object query<\/h4>\n
    \u8fd9\u4e2a\u65f6\u5019\u6211\u4eec\u60f3\u641c\u4e00\u4e2askill:language<\/code>\u662fruby<\/code>\uff0c\u5e76\u4e14level<\/code>\u662fbeginner<\/code>\u7684\u6587\u6863\u3002
    \n\u6211\u4eec\u53ef\u80fd\u60f3\u5230\u7684\u529e\u6cd5\u662f\uff1a<\/p>\n
    GET developer\/_search\n{\n  "query": {\n    "bool": {\n      "filter": [\n        {\n          "match": {\n            "skills.language": "ruby"\n          }\n        },\n        {\n          "match": {\n            "skills.level": "beginner"\n          }\n        }\n      ]\n    }\n  }\n}<\/code><\/pre>\n
    \u901a\u8fc7\u4e0a\u9762\u7684\u641c\u5bfb\uff0c\u6211\u4eec\u5f97\u5230\u7684\u7ed3\u679c\u662f\uff1a<\/p>\n
    {\n  "took" : 0,\n  "timed_out" : false,\n  "_shards" : {\n    "total" : 1,\n    "successful" : 1,\n    "skipped" : 0,\n    "failed" : 0\n  },\n  "hits" : {\n    "total" : {\n      "value" : 2,\n      "relation" : "eq"\n    },\n    "max_score" : 0.0,\n    "hits" : [\n      {\n        "_index" : "developer",\n        "_type" : "_doc",\n        "_id" : "101",\n        "_score" : 0.0,\n        "_source" : {\n          "name" : "zhang san",\n          "skills" : [\n            {\n              "language" : "ruby",\n              "level" : "expert"\n            },\n            {\n              "language" : "javascript",\n              "level" : "beginner"\n            }\n          ]\n        }\n      },\n      {\n        "_index" : "developer",\n        "_type" : "_doc",\n        "_id" : "102",\n        "_score" : 0.0,\n        "_source" : {\n          "name" : "li si",\n          "skills" : [\n            {\n              "language" : "ruby",\n              "level" : "beginner"\n            }\n          ]\n        }\n      }\n    ]\n  }\n}<\/code><\/pre>\n
    \u53ef\u4ee5\u770b\u5230\uff0c\u6211\u4eec\u5f97\u5230\u4e24\u4e2a\u7ed3\u679c\u3002
    \n\u4f46\u662f\u6211\u4eec\u4ed4\u7ec6\u67e5\u770b\u4ee5\u4e0b\u53d1\u73b0\u5f97\u5230\u7684\u7ed3\u679c\u5e76\u4e0d\u662f\u6211\u4eec\u60f3\u5f97\u5230\u7684\u3002
    \n\u4ece\u539f\u610f\u6765\u8bf4\uff0c\u6211\u4eec\u60f3\u5f97\u5230\u7684\u662fli si<\/code>\uff0c\u56e0\u4e3a\u53ea\u6709li si<\/code>\u8fd9\u4e2a\u4eba\u7684language<\/code>\u662fruby<\/code>\uff0c\u5e76\u4e14\u4ed6\u7684level<\/code>\u662fbeginner<\/code>
    \nzhang san<\/code>\u8fd9\u4e2a\u6587\u6863\uff0c\u5e94\u8be5\u4e0d\u5728\u641c\u5bfb\u4e4b\u5217\u3002\u8fd9\u662f\u4e3a\u4ec0\u4e48\u5462\uff1f<\/p>\n
    \u539f\u6765\uff0clanguage<\/code>\u53calevel<\/code>\u662fskill<\/code>\u7684json<\/code>\u5185\u90e8\u6570\u7ec4\u9879\u3002
    \n\u5f53json<\/code>\u5bf9\u8c61\u88ablucene<\/code>\u6241\u5e73\u5316\u540e\uff0c\u6211\u4eec\u5931\u53bb\u4e86language<\/code>\u548clevel<\/code>\u4e4b\u95f4\u7684\u5bf9\u5e94\u5173\u7cfb
    \n\u53d6\u800c\u4ee3\u4e4b\u7684\u662f\u5982\u4e0b\u7684\u8fd9\u79cd\u5173\u7cfb\uff1a<\/p>\n
    {\n  "name": "zhang san",\n  "skills.language" :["ruby", "javascript"],\n  "skills.level": ["expert", "beginner"]\n}<\/code><\/pre>\n
    \u5982\u4e0a\u6240\u793a\uff0c\u6211\u4eec\u770b\u5230\u7684\u662f\u4e00\u4e2a\u6241\u5e73\u5316\u7684\u6570\u7ec4\u3002
    \n\u4e4b\u524d\u7684\u90a3\u79cdlanguage<\/code>\u548clevel<\/code>\u4e4b\u95f4\u7684\u5bf9\u5e94\u5173\u7cfb\u5df2\u7ecf\u4e0d\u5b58\u5728\u4e86\u3002<\/p>\n
    object aggregation<\/h4>\n
    \u540c\u6837\u7684\u95ee\u9898\u4e5f\u5b58\u5728\u4e8eaggregation<\/code>\u4e2d\uff0c\u6bd4\u5982\u6211\u4eec\u60f3\u505a\u4ee5\u4e0b\u7684aggregation<\/code><\/p>\n
    GET developer\/_search\n{\n  "size": 0,\n  "aggs": {\n    "languages": {\n      "terms": {\n        "field": "skills.language.keyword"\n      },\n      "aggs": {\n        "level": {\n          "terms": {"field": "skills.level.keyword"}\n        }\n      }\n    }\n  }\n}<\/code><\/pre>\n
    {\n  "took" : 2,\n  "timed_out" : false,\n  "_shards" : {\n    "total" : 1,\n    "successful" : 1,\n    "skipped" : 0,\n    "failed" : 0\n  },\n  "hits" : {\n    "total" : {\n      "value" : 2,\n      "relation" : "eq"\n    },\n    "max_score" : null,\n    "hits" : [ ]\n  },\n  "aggregations" : {\n    "languages" : {\n      "doc_count_error_upper_bound" : 0,\n      "sum_other_doc_count" : 0,\n      "buckets" : [\n        {\n          "key" : "ruby",\n          "doc_count" : 2,\n          "level" : {\n            "doc_count_error_upper_bound" : 0,\n            "sum_other_doc_count" : 0,\n            "buckets" : [\n              {\n                "key" : "beginner",\n                "doc_count" : 2\n              },\n              {\n                "key" : "expert",\n                "doc_count" : 1\n              }\n            ]\n          }\n        },\n        {\n          "key" : "javascript",\n          "doc_count" : 1,\n          "level" : {\n            "doc_count_error_upper_bound" : 0,\n            "sum_other_doc_count" : 0,\n            "buckets" : [\n              {\n                "key" : "beginner",\n                "doc_count" : 1\n              },\n              {\n                "key" : "expert",\n                "doc_count" : 1\n              }\n            ]\n          }\n        }\n      ]\n    }\n  }\n}<\/code><\/pre>\n
    \u663e\u7136\uff0c\u5bf9\u4e8e key javascript<\/code> \u6765\u8bf4\uff0c\u5b83\u5e76\u6ca1\u6709 expert<\/code> \u5bf9\u5e94\u7684 level<\/code>\uff0c\u4f46\u662f\u5728\u6211\u4eec\u7684 aggregation<\/code> \u91cc\u663e\u793a\u51fa\u6765\u4e86\u3002
    \n\u8fd9\u4e2a\u7ed3\u679c\u663e\u7136\u662f\u9519\u8bef\u7684\u3002<\/p>\n
    nested\u6570\u636e\u7c7b\u578b<\/h3>\n
    nested<\/code>\u7c7b\u578b\u662fobject<\/code>\u6570\u636e\u7c7b\u578b\u7684\u7279\u6b8a\u7248\u672c\uff0c\u5b83\u5141\u8bb8\u5bf9\u8c61\u6570\u7ec4\u4ee5\u4e00\u79cd\u53ef\u4ee5\u5f7c\u6b64\u72ec\u7acb\u67e5\u8be2\u7684\u65b9\u5f0f\u8fdb\u884c\u7d22\u5f15\u3002
    \n\u5728\u5185\u90e8\uff0c\u5d4c\u5957\u5bf9\u8c61\u5c06\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5bf9\u8c61\u7d22\u5f15\u4e3a\u5355\u72ec\u7684\u9690\u85cf\u6587\u6863\uff0c\u8fd9\u610f\u5473\u7740\u6bcf\u4e2a\u5d4c\u5957\u5bf9\u8c61\u90fd\u53ef\u4ee5\u4f7f\u7528nested query<\/code>\u72ec\u7acb\u4e8e\u5176\u4ed6\u5bf9\u8c61\u7684\u67e5\u8be2\u3002
    \n\u6bcf\u4e2anested<\/code>\u5bf9\u8c61\u90fd\u88ab\u7d22\u5f15\u4e3a\u4e00\u4e2a\u5355\u72ec\u7684lucene<\/code>\u6587\u6863\u3002
    \nnested<\/code>\u6570\u636e\u7c7b\u578b\u80fd\u591f\u8ba9\u6211\u4eec\u5bf9object<\/code>\u6570\u7ec4\u5efa\u7acb\u7d22\u5f15\uff0c\u5e76\u4e14\u5206\u522b\u8fdb\u884c\u67e5\u8be2<\/p>\n
    \u5982\u679c\u9700\u8981\u7ef4\u62a4\u6570\u7ec4\u4e2d\u6bcf\u4e2a\u5bf9\u8c61\u7684\u5173\u7cfb\uff0c\u8bf7\u4f7f\u7528nested\u6570\u636e\u7c7b\u578b<\/strong><\/p>\n
    \u4e3a\u4e86\u80fd\u591f\u628a\u6211\u4eec\u7684\u6570\u636e\u5b9a\u4e49\u4e3anested<\/code>\uff0c\u5fc5\u987b\u4fee\u6539\u4e4b\u524d\u7684\u7d22\u5f15\u4e3amapping<\/code>\u4e3a\uff1a<\/p>\n
    DELETE developer\n\nPUT developer\n{\n  "mappings": {\n    "properties": {\n      "name": {\n        "type": "text"\n      },\n      "skills": {\n        "type": "nested",\n        "properties": {\n          "language": {\n            "type": "keyword"\n          },\n          "level": {\n            "type": "keyword"\n          }\n        }\n      }\n    }\n  }\n}<\/code><\/pre>\n
    \u7ecf\u8fc7\u8fd9\u6837\u7684\u6539\u9020\u4e4b\u540e\uff0c\u91cd\u65b0\u628a\u6211\u4eec\u4e4b\u524d\u7684\u6570\u636e\u8f93\u5165\u5230index<\/code>\u91cc\uff1a<\/p>\n
    POST developer\/_doc\/101\n{\n  "name": "zhang san",\n  "skills": [\n    {\n      "language": "ruby",\n      "level": "expert"\n    },\n    {\n      "language": "javascript",\n      "level": "beginner"\n    }\n   ]\n}\n\nPOST developer\/_doc\/102\n{\n  "name": "li si",\n  "skills": [\n    {\n      "language": "ruby",\n      "level": "beginner"\n    }\n   ]\n}<\/code><\/pre>\n
    \u9488\u5bf9101\uff0c\u5728lucene<\/code>\u4e2d\u7684\u6570\u636e\u7ed3\u6784\u53d8\u4e3a\uff1a<\/p>\n
    {\n  "name": "zhang san",\n  {\n    "skills.language": "ruby",\n    "skills.level": "expert"\n  },\n  {\n    "skills.language": "javascript",\n    "skills.level", "beginner"\n  }\n}<\/code><\/pre>\n
    nested query<\/h4>\n
    \u6211\u4eec\u6765\u91cd\u65b0\u505a\u4e4b\u524d\u7684\u641c\u7d22\uff1a<\/p>\n
    GET developer\/_search\n{\n  "query": {\n    "nested": {\n      "path": "skills",\n      "query": {\n        "bool": {\n          "filter": [\n            {\n              "match": {\n                "skills.language": "ruby"\n              }\n            },\n            {\n              "match": {\n                "skills.level": "beginner"\n              }\n            }\n          ]\n        }\n      }\n    }\n  }\n}<\/code><\/pre>\n
    \u6ce8\u610f\u4e0a\u9762\u7684nested<\/code>\u5b57\u6bb5\u3002\u663e\u793a\u7684\u7ed3\u679c\u662f\uff1a<\/p>\n
    {\n  "took" : 5,\n  "timed_out" : false,\n  "_shards" : {\n    "total" : 1,\n    "successful" : 1,\n    "skipped" : 0,\n    "failed" : 0\n  },\n  "hits" : {\n    "total" : {\n      "value" : 1,\n      "relation" : "eq"\n    },\n    "max_score" : 0.0,\n    "hits" : [\n      {\n        "_index" : "developer",\n        "_type" : "_doc",\n        "_id" : "102",\n        "_score" : 0.0,\n        "_source" : {\n          "name" : "li si",\n          "skills" : [\n            {\n              "language" : "ruby",\n              "level" : "beginner"\n            }\n          ]\n        }\n      }\n    ]\n  }\n}<\/code><\/pre>\n
    \u663e\u7136\uff0c\u6211\u4eec\u53ea\u5f97\u5230\u4e86\u4e00\u4e2a\u6211\u4eec\u60f3\u8981\u7684\u7ed3\u679c\u3002<\/p>\n
    nested aggregation<\/h4>\n
    \u540c\u6837\uff0c\u6211\u4eec\u53ef\u4ee5\u5bf9\u7d22\u5f15\u6765\u505a\u4e00\u4e2aaggregation<\/code>\uff1a<\/p>\n
    GET developer\/_search\n{\n  "size": 0,\n  "aggs": {\n    "nested_skills": {\n      "nested": {\n        "path": "skills"\n      },\n      "aggs": {\n        "languages": {\n          "terms": {\n            "field": "skills.language"\n          },\n          "aggs": {\n            "levels": {\n              "terms": {\n                "field": "skills.level"\n              }\n            }\n          }\n        }\n      }\n    }\n  }\n}<\/code><\/pre>\n
    \u663e\u793a\u7684\u7ed3\u679c\u662f\uff1a<\/p>\n
    {\n  "took" : 1,\n  "timed_out" : false,\n  "_shards" : {\n    "total" : 1,\n    "successful" : 1,\n    "skipped" : 0,\n    "failed" : 0\n  },\n  "hits" : {\n    "total" : {\n      "value" : 2,\n      "relation" : "eq"\n    },\n    "max_score" : null,\n    "hits" : [ ]\n  },\n  "aggregations" : {\n    "nested_skills" : {\n      "doc_count" : 3,\n      "languages" : {\n        "doc_count_error_upper_bound" : 0,\n        "sum_other_doc_count" : 0,\n        "buckets" : [\n          {\n            "key" : "ruby",\n            "doc_count" : 2,\n            "levels" : {\n              "doc_count_error_upper_bound" : 0,\n              "sum_other_doc_count" : 0,\n              "buckets" : [\n                {\n                  "key" : "beginner",\n                  "doc_count" : 1\n                },\n                {\n                  "key" : "expert",\n                  "doc_count" : 1\n                }\n              ]\n            }\n          },\n          {\n            "key" : "javascript",\n            "doc_count" : 1,\n            "levels" : {\n              "doc_count_error_upper_bound" : 0,\n              "sum_other_doc_count" : 0,\n              "buckets" : [\n                {\n                  "key" : "beginner",\n                  "doc_count" : 1\n                }\n              ]\n            }\n          }\n        ]\n      }\n    }\n  }\n}<\/code><\/pre>\n
    \u4ece\u4e0a\u9762\u663e\u793a\u7684\u7ed3\u679c\uff0c\u53ef\u4ee5\u770b\u51fa\u6765\u5bf9\u4e8e ruby<\/code> \u6765\u8bf4\uff0c\u5b83\u5206\u522b\u5bf9\u5e94\u4e8e\u4e00\u4e2a bigginer<\/code> \u53ca\u4e00\u4e2a expert<\/code>\u3002
    \n\u8fd9\u4e2a\u548c\u6211\u4eec\u4e4b\u524d\u7684\u6570\u636e\u662f\u4e00\u6837\u7684\u3002
    \n\u5bf9\u4e8e javascript<\/code> \u6765\u8bf4\uff0c\u5b83\u53ea\u6709\u4e00\u4e2a beginner<\/code> \u7684 level<\/code>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
    \u4e00\u4e2ablog\u53ef\u80fd\u5bf9\u5e94\u4e8e\u5f88\u591a\u7684comments\uff0c\u6216\u8005\u4e00\u4e2a\u5458\u5de5\u5bf9\u5e94\u4e8e\u5f88\u591a\u7684\u7ecf\u9a8c\u3002\uff0c \u8fd9\u79cd\u6570\u636e\u5c31\u662f\u5173\u7cfb\u6570\u636e\u3002 obj… » \u9605\u8bfb\u5168\u6587<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[18],"tags":[],"class_list":["post-1315","post","type-post","status-publish","format-standard","hentry","category-elk"],"_links":{"self":[{"href":"http:\/\/blue.yn.cn\/index.php?rest_route=\/wp\/v2\/posts\/1315","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/blue.yn.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/blue.yn.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/blue.yn.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/blue.yn.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1315"}],"version-history":[{"count":3,"href":"http:\/\/blue.yn.cn\/index.php?rest_route=\/wp\/v2\/posts\/1315\/revisions"}],"predecessor-version":[{"id":1320,"href":"http:\/\/blue.yn.cn\/index.php?rest_route=\/wp\/v2\/posts\/1315\/revisions\/1320"}],"wp:attachment":[{"href":"http:\/\/blue.yn.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1315"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/blue.yn.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1315"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/blue.yn.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1315"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}