{"id":41204,"date":"2023-03-10T22:27:27","date_gmt":"2023-12-30T03:09:47","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8elasticsearch-dsl%e7%bc%96%e5%86%99%e5%b8%a6%e6%9c%89%e8%81%9a%e5%90%88%e7%9a%84%e6%90%9c%e7%b4%a2%e6%9f%a5%e8%af%a2%e3%80%82\/"},"modified":"2024-04-29T18:19:35","modified_gmt":"2024-04-29T10:19:35","slug":"%e4%bd%bf%e7%94%a8elasticsearch-dsl%e7%bc%96%e5%86%99%e5%b8%a6%e6%9c%89%e8%81%9a%e5%90%88%e7%9a%84%e6%90%9c%e7%b4%a2%e6%9f%a5%e8%af%a2%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8elasticsearch-dsl%e7%bc%96%e5%86%99%e5%b8%a6%e6%9c%89%e8%81%9a%e5%90%88%e7%9a%84%e6%90%9c%e7%b4%a2%e6%9f%a5%e8%af%a2%e3%80%82\/","title":{"rendered":"\u4f7f\u7528elasticsearch-dsl\u7f16\u5199\u5e26\u6709\u805a\u5408\u7684\u641c\u7d22\u67e5\u8be2"},"content":{"rendered":"<p>\u6211\u5c1d\u8bd5\u4f7f\u7528 Elasticsearch \u7684\u9ad8\u7ea7 Python \u5ba2\u6237\u7aef elasticsearch-dsl\uff08\u6587\u6863\uff09\u8fdb\u884c\u64cd\u4f5c\u3002\u4f7f\u7528 elasticsearch-dsl\uff0c\u76f8\u6bd4\u4e8e\u4f7f\u7528\u4f4e\u7ea7 Python \u5ba2\u6237\u7aef elasticsearch\uff0c\u53ef\u4ee5\u66f4\u76f4\u89c2\u5730\u521b\u5efa\u641c\u7d22\u67e5\u8be2\u3002<\/p>\n<h1>\u524d\u671f\u51c6\u5907<\/h1>\n<p>\u9996\u5148\uff0c\u5c06\u521b\u5efa\u4ee5\u4e0b\u7c7b\u4f3c\u7684\u7d22\u5f15\u6570\u636e\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kn\">from<\/span> <span class=\"nn\">elasticsearch<\/span> <span class=\"kn\">import<\/span> <span class=\"n\">Elasticsearch<\/span>\r\n<span class=\"n\">elastic<\/span> <span class=\"o\">=<\/span> <span class=\"n\">Elasticsearch<\/span><span class=\"p\">()<\/span>\r\n\r\n<span class=\"n\">index<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"dsl_sample\"<\/span>\r\n<span class=\"n\">elastic<\/span><span class=\"p\">.<\/span><span class=\"n\">indices<\/span><span class=\"p\">.<\/span><span class=\"n\">create<\/span><span class=\"p\">(<\/span><span class=\"n\">index<\/span><span class=\"p\">)<\/span>\r\n\r\n<span class=\"n\">data<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[<\/span>                                                         \r\n    <span class=\"p\">{<\/span><span class=\"s\">\"hoge\"<\/span><span class=\"p\">:<\/span> <span class=\"mi\">1<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"fuga\"<\/span><span class=\"p\">:<\/span> <span class=\"mi\">1<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"value\"<\/span><span class=\"p\">:<\/span> <span class=\"mi\">3<\/span><span class=\"p\">},<\/span>\r\n    <span class=\"p\">{<\/span><span class=\"s\">\"hoge\"<\/span><span class=\"p\">:<\/span> <span class=\"mi\">1<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"fuga\"<\/span><span class=\"p\">:<\/span> <span class=\"mi\">2<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"value\"<\/span><span class=\"p\">:<\/span> <span class=\"mi\">4<\/span><span class=\"p\">},<\/span>\r\n    <span class=\"p\">{<\/span><span class=\"s\">\"hoge\"<\/span><span class=\"p\">:<\/span> <span class=\"mi\">2<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"fuga\"<\/span><span class=\"p\">:<\/span> <span class=\"mi\">1<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"value\"<\/span><span class=\"p\">:<\/span> <span class=\"mi\">5<\/span><span class=\"p\">},<\/span>\r\n    <span class=\"p\">{<\/span><span class=\"s\">\"hoge\"<\/span><span class=\"p\">:<\/span> <span class=\"mi\">2<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"fuga\"<\/span><span class=\"p\">:<\/span> <span class=\"mi\">2<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"value\"<\/span><span class=\"p\">:<\/span> <span class=\"mi\">6<\/span><span class=\"p\">},<\/span>\r\n    <span class=\"p\">{<\/span><span class=\"s\">\"hoge\"<\/span><span class=\"p\">:<\/span> <span class=\"mi\">1<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"fuga\"<\/span><span class=\"p\">:<\/span> <span class=\"mi\">1<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"value\"<\/span><span class=\"p\">:<\/span> <span class=\"mi\">100<\/span><span class=\"p\">}<\/span>\r\n<span class=\"p\">]<\/span>\r\n\r\n<span class=\"k\">for<\/span> <span class=\"n\">i<\/span><span class=\"p\">,<\/span> <span class=\"n\">body<\/span> <span class=\"ow\">in<\/span> <span class=\"nb\">enumerate<\/span><span class=\"p\">(<\/span><span class=\"n\">data<\/span><span class=\"p\">,<\/span> <span class=\"mi\">1<\/span><span class=\"p\">):<\/span>\r\n    <span class=\"n\">elastic<\/span><span class=\"p\">.<\/span><span class=\"n\">index<\/span><span class=\"p\">(<\/span><span class=\"n\">index<\/span><span class=\"o\">=<\/span><span class=\"n\">index<\/span><span class=\"p\">,<\/span> <span class=\"n\">doc_type<\/span><span class=\"o\">=<\/span><span class=\"s\">\"_doc\"<\/span><span class=\"p\">,<\/span> <span class=\"nb\">id<\/span><span class=\"o\">=<\/span><span class=\"n\">i<\/span><span class=\"p\">,<\/span> <span class=\"n\">body<\/span><span class=\"o\">=<\/span><span class=\"n\">body<\/span><span class=\"p\">)<\/span>\r\n<\/code><\/pre>\n<h1>\u8fdb\u884c\u641c\u7d22\u548c\u7edf\u8ba1<\/h1>\n<p>\u8fd9\u6b21\u6211\u5c06\u521b\u5efa\u4ee5\u4e0b\u7c7b\u578b\u7684\u67e5\u8be2\u8bf7\u6c42\u6765\u8fdb\u884c\u6c47\u603b\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">value\u304c1\u4ee5\u4e0a100\u672a\u6e80\u306e\u5024\u306e\u307f\u304c\u96c6\u8a08\u5bfe\u8c61\u3068\u306a\u308b\u3088\u3046\u306b\u30d5\u30a3\u30eb\u30bf\u3059\u308b<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">1\u3064\u306e\u30af\u30a8\u30ea\u3067\u300choge \u3067 Groub By \u3057\u305f\u96c6\u8a08\u7d50\u679c\u300d\u3068\u300cfuga \u3067 Group By \u3057\u305f\u96c6\u8a08\u7d50\u679c\u300d\u306e2\u3064\u3092\u53d6\u5f97\u3059\u308b<\/ul>\n<p>\u60a8\u53ef\u4ee5\u4f7f\u7528elasticsearch-dsl\u6765\u6267\u884c\u4ee5\u4e0b\u67e5\u8be2\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kn\">from<\/span> <span class=\"nn\">elasticsearch_dsl<\/span> <span class=\"kn\">import<\/span> <span class=\"n\">Search<\/span><span class=\"p\">,<\/span> <span class=\"n\">A<\/span>\r\n\r\n<span class=\"n\">search<\/span> <span class=\"o\">=<\/span> <span class=\"n\">Search<\/span><span class=\"p\">(<\/span><span class=\"n\">using<\/span><span class=\"o\">=<\/span><span class=\"n\">elastic<\/span><span class=\"p\">,<\/span> <span class=\"n\">index<\/span><span class=\"o\">=<\/span><span class=\"n\">index<\/span><span class=\"p\">)<\/span>  <span class=\"c1\"># \u2460 Search \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u4f5c\u6210\r\n<\/span><span class=\"n\">search<\/span> <span class=\"o\">=<\/span> <span class=\"n\">search<\/span><span class=\"p\">.<\/span><span class=\"nb\">filter<\/span><span class=\"p\">(<\/span><span class=\"s\">\"range\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">value<\/span><span class=\"o\">=<\/span><span class=\"p\">{<\/span><span class=\"s\">\"gte\"<\/span><span class=\"p\">:<\/span> <span class=\"mi\">1<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"lt\"<\/span><span class=\"p\">:<\/span> <span class=\"mi\">100<\/span><span class=\"p\">})<\/span>  <span class=\"c1\"># \u2461\u30d5\u30a3\u30eb\u30bf\u6761\u4ef6\u306e\u8a18\u8f09\r\n<\/span><span class=\"n\">search<\/span> <span class=\"o\">=<\/span> <span class=\"n\">search<\/span><span class=\"p\">.<\/span><span class=\"n\">extra<\/span><span class=\"p\">(<\/span><span class=\"n\">size<\/span><span class=\"o\">=<\/span><span class=\"mi\">0<\/span><span class=\"p\">)<\/span>  <span class=\"c1\"># \u2462\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306e\u53d6\u5f97\u4ef6\u6570\u3092\u6307\u5b9a\r\n<\/span>\r\n<span class=\"c1\"># \u2463 Aggregation \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u4f5c\u6210\r\n<\/span><span class=\"n\">aggs_hoge<\/span> <span class=\"o\">=<\/span> <span class=\"n\">A<\/span><span class=\"p\">(<\/span><span class=\"s\">\"terms\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">field<\/span><span class=\"o\">=<\/span><span class=\"s\">\"hoge\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">size<\/span><span class=\"o\">=<\/span><span class=\"mi\">10<\/span><span class=\"p\">).<\/span><span class=\"n\">metric<\/span><span class=\"p\">(<\/span><span class=\"s\">'sum_value'<\/span><span class=\"p\">,<\/span> <span class=\"s\">'sum'<\/span><span class=\"p\">,<\/span> <span class=\"n\">field<\/span><span class=\"o\">=<\/span><span class=\"s\">'value'<\/span><span class=\"p\">)<\/span>\r\n<span class=\"n\">aggs_fuga<\/span> <span class=\"o\">=<\/span> <span class=\"n\">A<\/span><span class=\"p\">(<\/span><span class=\"s\">\"terms\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">field<\/span><span class=\"o\">=<\/span><span class=\"s\">\"fuga\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">size<\/span><span class=\"o\">=<\/span><span class=\"mi\">10<\/span><span class=\"p\">).<\/span><span class=\"n\">metric<\/span><span class=\"p\">(<\/span><span class=\"s\">'sum_value'<\/span><span class=\"p\">,<\/span> <span class=\"s\">'sum'<\/span><span class=\"p\">,<\/span> <span class=\"n\">field<\/span><span class=\"o\">=<\/span><span class=\"s\">'value'<\/span><span class=\"p\">)<\/span>\r\n\r\n<span class=\"c1\"># \u2464 Aggregation \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092 Search \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u7d10\u4ed8\u3051\u308b\r\n<\/span><span class=\"n\">search<\/span><span class=\"p\">.<\/span><span class=\"n\">aggs<\/span><span class=\"p\">.<\/span><span class=\"n\">bucket<\/span><span class=\"p\">(<\/span><span class=\"s\">\"aggs_name_hoge\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">aggs_hoge<\/span><span class=\"p\">)<\/span>\r\n<span class=\"n\">search<\/span><span class=\"p\">.<\/span><span class=\"n\">aggs<\/span><span class=\"p\">.<\/span><span class=\"n\">bucket<\/span><span class=\"p\">(<\/span><span class=\"s\">\"aggs_name_fuga\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">aggs_fuga<\/span><span class=\"p\">)<\/span>\r\n\r\n<span class=\"n\">response<\/span> <span class=\"o\">=<\/span> <span class=\"n\">search<\/span><span class=\"p\">.<\/span><span class=\"n\">execute<\/span><span class=\"p\">()<\/span>\r\n<\/code><\/pre>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u2460\u3067\u691c\u7d22\u306b\u7528\u3044\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002\u4f8b\u306e\u3088\u3046\u306b using \u3067\u65e2\u306b\u4f5c\u6210\u3057\u305f\u4f4e\u30ec\u30d9\u30eb\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3092\u6e21\u3059\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\u3057\u3001 connections \u3092\u7528\u3044\u3066\u63a5\u7d9a\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u308b\u3088\u3046\u3067\u3059\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u4eca\u56de\u306f\u96c6\u8a08\u7d50\u679c\u304c\u53d6\u5f97\u3067\u304d\u308c\u3070\u3088\u304f\u3001\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u81ea\u4f53\u3092\u8fd4\u5374\u3059\u308b\u5fc5\u8981\u306f\u306a\u3044\u306e\u3067\u2462\u3067\u53d6\u5f97\u4ef6\u6570\u3092 0 \u306b\u6307\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002extra\u3092\u7528\u3044\u308c\u3070\u691c\u7d22\u30ea\u30af\u30a8\u30b9\u30c8\u306b\u4efb\u610f\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u5024\u3092\u8a2d\u5b9a\u3067\u304d\u308b\u3088\u3046\u3067\u3059\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u2463\u306e A \u3067\u96c6\u8a08\u306b\u3064\u3044\u3066\u5b9a\u7fa9\u3057\u3066\u3044\u307e\u3059\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>A \u306e field \u3067\u96c6\u8a08\u306e\u30ad\u30fc\u3092\u6307\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>metric \u3092\u7528\u3044\u3066\u3001\u3069\u306e\u30ab\u30e9\u30e0\u3092\u3069\u306e\u3088\u3046\u306b\u96c6\u8a08\u3059\u308b\u306e\u304b\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002\u306a\u304a\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u6570\u306e\u307f\u3067\u826f\u3044\u5834\u5408\u306f metric \u306e\u6307\u5b9a\u304c\u4e0d\u8981\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u2464\u3067\u691c\u7d22\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u96c6\u8a08\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u95a2\u9023\u3065\u3051\u307e\u3059\u3002\u3053\u306e\u3088\u3046\u306b2\u56de bucket \u3092\u547c\u3076\u3053\u3068\u3067\u30012\u7a2e\u985e\u306e\u96c6\u8a08\u304c\u95a2\u9023\u3065\u3051\u3089\u308c\u307e\u3059\u3002<\/p>\n<p>\u4e3a\u4e86\u89e3\u91ca\uff0c\u6211\u5728\u8fd9\u91cc\u5206\u6210\u51e0\u884c\uff0c\u4f46\u5728\u2460\u301c\u2462\u4e4b\u95f4\uff0c\u50cfSearch(\u30fb\u30fb\u30fb).filter(\u30fb\u30fb\u30fb).extra(\u30fb\u30fb\u30fb)\u8fd9\u6837\u7684\u65b9\u6cd5\u94fe\u53ef\u4ee5\u76f4\u89c2\u5730\u7f16\u5199\uff0c\u8fd9\u5f88\u597d\u554a\u3002<\/p>\n<p>\u5bf9\u4e8e\u7ed3\u679c\uff0c\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u65b9\u5f0f\u8fdb\u884c\u8bbf\u95ee\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"n\">response<\/span><span class=\"p\">.<\/span><span class=\"n\">aggregations<\/span><span class=\"p\">.<\/span><span class=\"n\">aggs_name_hoge<\/span><span class=\"p\">.<\/span><span class=\"n\">buckets<\/span>\r\n<span class=\"c1\"># [{'key': 1, 'doc_count': 2, 'sum_value': {'value': 7.0}}, {'key': 2, 'doc_count': 2, 'sum_value': {'value': 11.0}}]\r\n<\/span>\r\n<span class=\"n\">response<\/span><span class=\"p\">.<\/span><span class=\"n\">aggregations<\/span><span class=\"p\">.<\/span><span class=\"n\">aggs_name_fuga<\/span><span class=\"p\">.<\/span><span class=\"n\">buckets<\/span>\r\n<span class=\"c1\"># [{'key': 1, 'doc_count': 2, 'sum_value': {'value': 8.0}}, {'key': 2, 'doc_count': 2, 'sum_value': {'value': 10.0}}]\r\n<\/span>\r\n<\/code><\/pre>\n<p>\u6211\u53ef\u4ee5\u770b\u51fa\u6570\u636e\u5df2\u7ecf\u88ab\u6b63\u786e\u6c47\u603b\u3002<\/p>\n<h1>\u786e\u8ba4\u67e5\u8be2\u5b57\u5178<\/h1>\n<p>\u5728elasticsearch-dsl\u4e2d\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528to_dict\u65b9\u6cd5\u6765\u83b7\u53d6\u5728\u4f4e\u7ea7\u5ba2\u6237\u7aef\u4e2d\u53d1\u9001\u8bf7\u6c42\u65f6\u7684\u641c\u7d22\u67e5\u8be2\u5b57\u5178\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"n\">search<\/span><span class=\"p\">.<\/span><span class=\"n\">to_dict<\/span><span class=\"p\">()<\/span>\r\n\r\n<span class=\"c1\"># {\r\n#   'query': {\r\n#     'bool': {\r\n#       'filter': [\r\n#         {\r\n#           'range': {\r\n#             'value': {\r\n#               'gte': 1,\r\n#               'lt': 100\r\n#             }\r\n#           }\r\n#         }\r\n#       ]\r\n#     }\r\n#   },\r\n#   'aggs': {\r\n#     'aggs_name_hoge': {\r\n#       'terms': {\r\n#         'field': 'hoge',\r\n#         'size': 10\r\n#       },\r\n#       'aggs': {\r\n#         'sum_value': {\r\n#           'sum': {\r\n#             'field': 'value'\r\n#           }\r\n#         }\r\n#       }\r\n#     },\r\n#     'aggs_name_fuga': {\r\n#       'terms': {\r\n#         'field': 'fuga',\r\n#         'size': 10\r\n#       },\r\n#       'aggs': {\r\n#         'sum_value': {\r\n#           'sum': {\r\n#             'field': 'value'\r\n#           }\r\n#         }\r\n#       }\r\n#     }\r\n#   },\r\n#   'size': 0\r\n# }\r\n<\/span><\/code><\/pre>\n<p>\u5982\u679c\u8981\u4f7f\u7528\u4f4e\u7ea7\u522b\u7684Python\u5ba2\u6237\u7aefelasticsearch\u6765\u521b\u5efa\u641c\u7d22\u67e5\u8be2\uff0c\u90a3\u4e48\u9700\u8981\u76f4\u63a5\u521b\u5efa\u8fd9\u4e2a\u5b57\u5178\uff0c\u76f8\u6bd4\u4e4b\u4e0b\uff0c\u4f7f\u7528elasticsearch-dsl\u53ef\u4ee5\u66f4\u8f7b\u677e\u5730\u7f16\u5199\u641c\u7d22\u67e5\u8be2\u3002<\/p>\n<h1>\u6700\u540e<\/h1>\n<p>\u8fd9\u6b21\u6211\u5c1d\u8bd5\u4f7f\u7528elasticsearch-dsl\u7f16\u5199\u4e86\u4e00\u4e2a\u7b80\u5355\u7684\u805a\u5408\u67e5\u8be2\u3002<br 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