{"id":40902,"date":"2023-09-25T07:15:34","date_gmt":"2023-11-22T10:07:38","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8rails%e5%92%8celasticsearch%e5%88%9b%e5%bb%ba%e6%90%9c%e7%b4%a2%e5%8a%9f%e8%83%bd%e5%b9%b6%e5%b0%9d%e8%af%95%e5%90%84%e7%a7%8d%e6%93%8d%e4%bd%9c-%e6%96%87%e6%a1%a3%e7%9a%84%e6%93%8d\/"},"modified":"2024-05-04T01:27:48","modified_gmt":"2024-05-03T17:27:48","slug":"%e4%bd%bf%e7%94%a8rails%e5%92%8celasticsearch%e5%88%9b%e5%bb%ba%e6%90%9c%e7%b4%a2%e5%8a%9f%e8%83%bd%e5%b9%b6%e5%b0%9d%e8%af%95%e5%90%84%e7%a7%8d%e6%93%8d%e4%bd%9c-%e6%96%87%e6%a1%a3%e7%9a%84%e6%93%8d","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8rails%e5%92%8celasticsearch%e5%88%9b%e5%bb%ba%e6%90%9c%e7%b4%a2%e5%8a%9f%e8%83%bd%e5%b9%b6%e5%b0%9d%e8%af%95%e5%90%84%e7%a7%8d%e6%93%8d%e4%bd%9c-%e6%96%87%e6%a1%a3%e7%9a%84%e6%93%8d\/","title":{"rendered":"\u4f7f\u7528Rails\u548cElasticsearch\u521b\u5efa\u641c\u7d22\u529f\u80fd\u5e76\u5c1d\u8bd5\u5404\u79cd\u64cd\u4f5c-\u6587\u6863\u7684\u64cd\u4f5c"},"content":{"rendered":"

\u9996\u5148<\/h2>\n

\u6211\u4eec\u5c06\u4ecb\u7ecd\u5982\u4f55\u901a\u8fc7Rails\u64cd\u4f5cElasticsearch\u6587\u6863\u7684\u65b9\u6cd5\u3002
\n\u8fd9\u7bc7\u6587\u7ae0\u7684\u524d\u63d0\u662f\u4f7f\u7528elasticsearch-rails\u63d2\u4ef6\u3002<\/p>\n

\u6b64\u5916\uff0c\u672c\u6587\u4e2d\u63d0\u53ca\u7684\u793a\u4f8b\u548c\u73af\u5883\u662f\u57fa\u4e8e\u4f7f\u7528Rails\u548cElasticsearch\u521b\u5efa\u641c\u7d22\u529f\u80fd\u5e76\u8fdb\u884c\u5404\u79cd\u8bd5\u9a8c\u7684 – \u7b2c1\u90e8\u5206\uff1a\u6839\u636e\u793a\u4f8b\u5e94\u7528\u7a0b\u5e8f\u521b\u5efa\u7684\u3002\u5982\u679c\u60a8\u6709\u5173\u4e8e\u8fd9\u4e2a\u793a\u4f8b\u7684\u7591\u95ee\uff0c\u8bf7\u53c2\u8003\u76f8\u5173\u8d44\u6599\u3002<\/p>\n

\u6587\u6863\u64cd\u4f5c<\/h2>\n

\u6211\u4eec\u5c06Elasticsearch\u4e2d\u6ce8\u518c\u7684\u6570\u636e\u79f0\u4e3a\u6587\u6863\u3002\u5bf9\u4e8e\u8fd9\u4e9b\u6587\u6863\uff0c\u6211\u4eec\u5c06\u8fdb\u884c\u8bfb\u53d6\u3001\u6ce8\u518c\u3001\u66f4\u65b0\u7b49CRUD\u64cd\u4f5c\u3002<\/p>\n

\u521b\u5efa or \u6ce8\u518c<\/h2>\n

\u5bfc\u5165<\/h3>\n

\u8981\u540c\u65f6\u6ce8\u518c\u6570\u636e\uff0c\u53ef\u4ee5\u4f7f\u7528import\u3002 import\u7684\u9ed8\u8ba4\u884c\u4e3a\u662f\u5c06\u6a21\u578b\u5bf9\u5e94\u7684\u8868\u7684\u6240\u6709\u6570\u636e\u90fd\u6ce8\u518c\u8fdb\u53bb\u3002<\/p>\n

# Manga\u30e2\u30c7\u30eb\u306b\u5bfe\u5fdc\u3059\u308b\u30c7\u30fc\u30bf\u3092\u3059\u3079\u3066import<\/span>\r\nManga<\/span>.<\/span>import<\/span>\r\n<\/code><\/pre>\n
\u6307\u5b9a\u6761\u4ef6\u7684import<\/h4>\n
\u5982\u679c\u4f60\u53ea\u60f3\u6ce8\u518c\u7279\u5b9a\u6761\u4ef6\u7684\u8bb0\u5f55\uff0c\u53ef\u4ee5\u4f7f\u7528scope\u3002<\/p>\n
  included<\/span> do<\/span>\r\n    include<\/span> Elasticsearch<\/span>::<\/span>Model<\/span>\r\n\r\n    # 1\u6642\u9593\u4ee5\u5185\u306b\u66f4\u65b0\u304c\u3042\u3063\u305f\u30ec\u30b3\u30fc\u30c9\u3092\u53d6\u5f97\u3059\u308bscope\u3092\u8ffd\u52a0<\/span>\r\n    scope<\/span> :recent<\/span>,<\/span> lambda<\/span> {<\/span>\r\n      where<\/span>(<\/span>\"updated_at > ?\"<\/span>,<\/span> 1<\/span>.<\/span>hour<\/span>.<\/span>ago<\/span>)<\/span>\r\n    }<\/span>\r\n<\/code><\/pre>\n
\u5982\u679c\u8981\u4f7f\u7528scope\u529f\u80fd\uff0c\u53ef\u4ee5\u901a\u8fc7\u5c06scope\u540d\u79f0\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u6765\u5b9e\u73b0\uff0c\u5982\u4e0b\u6240\u793a\uff1ascope: {scope\u540d}\u3002<\/p>\n
Manga<\/span>.<\/span>import<\/span> scope: <\/span>'recent'<\/span>\r\n<\/code><\/pre>\n
\u7d22\u5f15\u6587\u4ef6<\/h3>\n
\u5982\u679c\u8981\u9010\u6761\u6ce8\u518c\uff0c\u5219\u53ef\u4ee5\u4f7f\u7528index_document\u3002\u5982\u679c\u5df2\u7ecf\u6ce8\u518c\u8fc7\u4e86\uff0c\u5219\u66f4\u65b0\u6587\u6863\u3002<\/p>\n
manga<\/span> =<\/span> Manga<\/span>.<\/span>last<\/span>\r\nmanga<\/span>.<\/span>__elasticsearch__<\/span>.<\/span>index_document<\/span>\r\n<\/code><\/pre>\n
\u6211\u4eec\u662f\u5982\u4f55\u5224\u65ad\u5df2\u6ce8\u518c\u6587\u4ef6\u7684\u65b9\u6cd5<\/h4>\n
\u6211\u5df2\u7ecf\u5199\u4e86\u5982\u679c\u5df2\u7ecf\u6ce8\u518c\uff0c\u5219\u66f4\u65b0\u6587\u6863\uff0c\u4f46\u662f\u5bf9\u4e8eElasticsearch\u6765\u8bf4\uff0c\u5b83\u5982\u4f55\u786e\u5b9a\u6587\u6863\u662f\u5426\u5df2\u7ecf\u6ce8\u518c\u5462\uff1f<\/p>\n
\u6bcf\u4e2a\u6587\u6863\u90fd\u6709\u4e00\u4e2a\u552f\u4e00\u7684_id\u6765\u6807\u8bc6\u5b83\uff0c\u5e76\u901a\u8fc7\u7d22\u5f15\u8fdb\u884c\u5b58\u50a8\uff0c\u8fd9\u6837\u53ef\u4ee5\u4f7f\u7528GET API\u6216ids\u67e5\u8be2\u6765\u67e5\u627e\u6587\u6863\u3002<\/p><\/blockquote>\n
\u6839\u636e\u62a5\u544a\uff0c\u4f3c\u4e4e\u53ef\u4ee5\u901a\u8fc7_id\u6765\u5224\u65ad\u662f\u5426\u552f\u4e00\u3002<\/p>\n
\u7136\u800c\uff0c\u5bf9\u4e8eElasticsearch 6.0\u4e4b\u524d\u7684\u7248\u672c\uff0c\u53ef\u4ee5\u5728\u4e00\u4e2a\u6587\u6863\u4e2d\u8bbe\u7f6e\u591a\u4e2a\u7c7b\u578b\uff0c\u56e0\u6b64\u5c06type\u548c_id\u4ee5\u4e95\u53f7\uff08#\uff09\u8fde\u63a5\u8d77\u6765\u7684\u5b57\u7b26\u4e32\u88ab\u79f0\u4e3a_uid\uff0c\u8868\u793a_uid\u662f\u5426\u552f\u4e00\u3002<\/p>\n
\u8bf4\u56deRails\u7684\u8bdd\u9898\uff0c\u5982\u679c\u8981\u4f7f\u7528elasticsearch-rails\u6ce8\u518c\u6587\u6863\uff0c\u5176\u9ed8\u8ba4\u884c\u4e3a\u662f\u5c06\u6a21\u578b\u7684id\u4f5c\u4e3aelasticsearch\u7684_id\u8fdb\u884c\u6ce8\u518c\u3002\u56e0\u6b64\uff0c\u5982\u679c\u5df2\u7ecf\u5b58\u5728\u548c\u6a21\u578bid\u76f8\u540c\u7684_id\uff0c\u5c06\u8fdb\u884c\u66f4\u65b0\u64cd\u4f5c\uff1b\u5426\u5219\uff0c\u5c06\u8fdb\u884c\u65b0\u5efa\u64cd\u4f5c\u3002<\/p>\n
\u5982\u679c\u6a21\u578b\u4e2d\u6ca1\u6709id\u5b57\u6bb5\uff0c\u6211\u65e0\u6cd5\u6d4b\u8bd5\u5176\u884c\u4e3a\u3002<\/p>\n
\u95b1\u8b80\uff08\u7372\u5f97\u30fb\u67e5\u627e\uff09<\/h2>\n
\u641c\u7d22<\/h3>\n
\u60a8\u53ef\u4ee5\u4f7f\u7528search\u65b9\u6cd5\u8fdb\u884c\u83b7\u53d6\u548c\u641c\u7d22\u3002<\/p>\n
Manga<\/span>.<\/span>__elasticsearch__<\/span>.<\/span>search<\/span>({<\/span>\u6761\u4ef6<\/span>})<\/span>\r\n<\/code><\/pre>\n
\u60a8\u53ef\u4ee5\u6839\u636e\u8981\u641c\u7d22\u7684\u201c\u8bcd\u201d\u672c\u8eab\u6216\u201c\u67e5\u8be2DSL\u203b\u201d\u54c8\u5e0c\uff08\u4f20\u9012\u7ed9to_hash\u7684\u5b9e\u4f8b\uff09\u6765\u4f20\u9012\u6761\u4ef6\u3002
\n\u203b\u67e5\u8be2DSL\u6587\u6863<\/p>\n
# \u4f8b\uff09 \u30ef\u30fc\u30c9<\/span>\r\nManga<\/span>.<\/span>__elasticsearch__<\/span>.<\/span>search<\/span>(<\/span>'\u3086\u308b\u30ad\u30e3\u30f3'<\/span>)<\/span>\r\n\r\n# \u4f8b\uff09 \u30af\u30a8\u30eaDSL\u3092\u4f7f\u3046<\/span>\r\nManga<\/span>.<\/span>__elasticsearch__<\/span>.<\/span>search<\/span>({<\/span>query: <\/span>{<\/span> match: <\/span>{<\/span> title: <\/span>'\u3086\u308b\u30ad\u30e3\u30f3'<\/span>}<\/span> }})<\/span>\r\n<\/code><\/pre>\n
\u5982\u679c\u53ea\u662f\u7b80\u5355\u7684\u641c\u7d22\uff0c\u53ea\u9700\u8981\u63d0\u4f9b\u641c\u7d22\u8bcd\u5c31\u8db3\u591f\u4f7f\u7528\u4e86\uff0c\u4f46\u5728\u5b9e\u9645\u8fd0\u884c\u4e2d\uff0c\u6211\u8ba4\u4e3a\u5f88\u591a\u60c5\u51b5\u4e0b\u4f1a\u4f7f\u7528\u67e5\u8be2DSL\u8fdb\u884c\u5404\u79cd\u81ea\u5b9a\u4e49\u3002<\/p>\n
\u66f4\u65b0<\/h2>\n
\u66f4\u65b0\u6587\u4ef6<\/h3>\n
\u4f7f\u7528 update_document \u53ef\u4ee5\u5c06\u6a21\u578b\u7684\u66f4\u65b0\u5185\u5bb9\u53cd\u6620\u5230 Elasticsearch\u3002<\/p>\n
manga<\/span> =<\/span> Manga<\/span>.<\/span>last<\/span>\r\nmanga<\/span>.<\/span>update<\/span>(<\/span>title: <\/span>\"\u30bf\u30a4\u30c8\u30eb updated\"<\/span>)<\/span>\r\n\r\n# update_document\u3067Elasticsearch\u306b\u66f4\u65b0\u5185\u5bb9\u3092\u53cd\u6620\u3055\u305b\u308b<\/span>\r\nmanga<\/span>.<\/span>__elasticsearch__<\/span>.<\/span>update_document<\/span>\r\n=><\/span> {<\/span>\"_index\"<\/span>=><\/span>\"es_manga_development\"<\/span>,<\/span> \"_type\"<\/span>=><\/span>\"_doc\"<\/span>,<\/span> \"_id\"<\/span>=><\/span>\"14\"<\/span>,<\/span> \"_version\"<\/span>=><\/span>7<\/span>,<\/span> \"result\"<\/span>=><\/span>\"noop\"<\/span>,<\/span> \"_shards\"<\/span>=><\/span>{<\/span>\"total\"<\/span>=><\/span>0<\/span>,<\/span> \"successful\"<\/span>=><\/span>0<\/span>,<\/span> \"failed\"<\/span>=><\/span>0<\/span>}}<\/span>\r\n\r\n# \u66f4\u65b0\u7d50\u679c\u306e\u78ba\u8a8d<\/span>\r\nresponse<\/span> =<\/span> Manga<\/span>.<\/span>__elasticsearch__<\/span>.<\/span>search<\/span>({<\/span>query: <\/span>{<\/span> match: <\/span>{<\/span> id: <\/span>14<\/span>}<\/span> }})<\/span>\r\nresponse<\/span>.<\/span>results<\/span>.<\/span>first<\/span>.<\/span>_source<\/span>.<\/span>title<\/span>\r\n  Manga<\/span> Search<\/span> (<\/span>7.8<\/span>ms<\/span>)<\/span> {<\/span>index: <\/span>\"es_manga_development\"<\/span>,<\/span> type: <\/span>\"_doc\"<\/span>,<\/span> body: <\/span>{<\/span>query: <\/span>{<\/span>match: <\/span>{<\/span>id: <\/span>14<\/span>}}}}<\/span>\r\n=><\/span> \"\u30bf\u30a4\u30c8\u30eb updated\"<\/span>\r\n\r\nmanga<\/span>.<\/span>update<\/span>(<\/span>title: <\/span>\"\u30bf\u30a4\u30c8\u30eb updated2\"<\/span>)<\/span>\r\n# \u3082\u3046\u4e00\u5ea6\u66f4\u65b0\u3059\u308b\u3068 _version \u304c\u30a4\u30f3\u30af\u30ea\u30e1\u30f3\u30c8\u3055\u308c\u308b<\/span>\r\nmanga<\/span>.<\/span>__elasticsearch__<\/span>.<\/span>update_document<\/span>\r\n=><\/span> {<\/span>\"_index\"<\/span>=><\/span>\"es_manga_development\"<\/span>,<\/span> \"_type\"<\/span>=><\/span>\"_doc\"<\/span>,<\/span> \"_id\"<\/span>=><\/span>\"14\"<\/span>,<\/span> \"_version\"<\/span>=><\/span>8<\/span>,<\/span> \"result\"<\/span>=><\/span>\"noop\"<\/span>,<\/span> \"_shards\"<\/span>=><\/span>{<\/span>\"total\"<\/span>=><\/span>0<\/span>,<\/span> \"successful\"<\/span>=><\/span>0<\/span>,<\/span> \"failed\"<\/span>=><\/span>0<\/span>}}<\/span>\r\n<\/code><\/pre>\n
\u60a8\u53ef\u4ee5\u6307\u5b9a\u9009\u9879\uff08\u8bf7\u53c2\u8003\u6587\u6863\u4ee5\u4e86\u89e3\u53ef\u6307\u5b9a\u7684\u9009\u9879\uff09\u3002<\/p>\n
manga<\/span>.<\/span>__elasticsearch__<\/span>.<\/span>update_document<\/span>(<\/span>retry_on_conflict: <\/span>3<\/span>)<\/span>\r\n<\/code><\/pre>\n
\u66f4\u65b0\u6587\u6863\u5c5e\u6027<\/h3>\n
\u60a8\u53ef\u4ee5\u4f7f\u7528 update_document_attributes \u6765\u6307\u5b9a\u8981\u66f4\u65b0\u7684\u5b57\u6bb5\u5e76\u8fdb\u884c\u66f4\u65b0\u3002<\/p>\n
manga<\/span> =<\/span> Manga<\/span>.<\/span>last<\/span>\r\nmanga<\/span>.<\/span>title<\/span>\r\n=><\/span> \"\u30bf\u30a4\u30c8\u30eb before update\"<\/span>\r\n\r\n# update_document_attributes\u3067\u66f4\u65b0\u3057\u305f\u3044\u30d5\u30a3\u30fc\u30eb\u30c9\u3092\u6307\u5b9a\u3057\u3066\u66f4\u65b0<\/span>\r\nmanga<\/span>.<\/span>__elasticsearch__<\/span>.<\/span>update_document_attributes<\/span>(<\/span>title: <\/span>\"\u30bf\u30a4\u30c8\u30eb updated with attribute\"<\/span>)<\/span>\r\n\r\n# \u7d50\u679c\u3092\u78ba\u8a8d<\/span>\r\nresponse<\/span> =<\/span> Manga<\/span>.<\/span>__elasticsearch__<\/span>.<\/span>search<\/span>({<\/span>query: <\/span>{<\/span> match: <\/span>{<\/span> id: <\/span>14<\/span>}<\/span> }})<\/span>\r\nresponse<\/span>.<\/span>results<\/span>.<\/span>first<\/span>.<\/span>_source<\/span>.<\/span>title<\/span>\r\n=><\/span> \"\u30bf\u30a4\u30c8\u30eb updated with attribute\"<\/span>\r\n\r\n# DB\u3078\u306e\u4fdd\u5b58\u306f\u884c\u3063\u3066\u3044\u306a\u3044\u305f\u3081\u66f4\u65b0\u3055\u308c\u3066\u3044\u306a\u3044<\/span>\r\nmanga<\/span>.<\/span>reload<\/span>.<\/span>title<\/span>\r\n=><\/span> \"\u30bf\u30a4\u30c8\u30eb before update\"<\/span>\r\n<\/code><\/pre>\n
\u5f53\u67e5\u770bgem\u6e90\u4ee3\u7801\u65f6\uff0c\u53ef\u4ee5\u53d1\u73b0\u5b83\u5c06\u5728body\u4e2d\u76f4\u63a5\u8bbe\u7f6e\u6307\u5b9a\u7684attributes\u5b57\u6bb5\uff0c\u56e0\u6b64\u53ea\u4f1a\u66f4\u65b0\u4f20\u9012\u7ed9attributes\u7684\u5b57\u6bb5\u3002<\/p>\n
       def<\/span> update_document_attributes<\/span>(<\/span>attributes<\/span>,<\/span> options<\/span>=<\/span>{})<\/span>\r\n          client<\/span>.<\/span>update<\/span>(<\/span>\r\n            {<\/span> index: <\/span>index_name<\/span>,<\/span>\r\n              type:  <\/span>document_type<\/span>,<\/span>\r\n              id:    <\/span>self<\/span>.<\/span>id<\/span>,<\/span>\r\n              body:  <\/span>{<\/span> doc: <\/span>attributes<\/span> }<\/span> }.<\/span>merge<\/span>(<\/span>options<\/span>)<\/span> # attributes\u3092doc\u306b\u8a2d\u5b9a\u3057\u3066\u3044\u308b<\/span>\r\n          )<\/span>\r\n        end<\/span>\r\n<\/code><\/pre>\n
\u53ef\u4f7f\u7528\u4e0eupdate_document\u76f8\u540c\u7684\u9009\u9879\u6765\u66f4\u65b0update_document_attributes\u3002<\/p>\n
\u5220\u9664<\/h2>\n
\u5220\u9664\u6587\u6863<\/h3>\n
\u5220\u9664\u64cd\u4f5c\u53ef\u4ee5\u4f7f\u7528delete_document\u6765\u8fdb\u884c\u3002<\/p>\n
manga<\/span> =<\/span> Manga<\/span>.<\/span>last<\/span>\r\nmanga<\/span>.<\/span>__elasticsearch__<\/span>.<\/span>delete_document<\/span>\r\n=><\/span> {<\/span>\"_index\"<\/span>=><\/span>\"es_manga_development\"<\/span>,<\/span>\r\n \"_type\"<\/span>=><\/span>\"_doc\"<\/span>,<\/span>\r\n \"_id\"<\/span>=><\/span>\"14\"<\/span>,<\/span>\r\n \"_version\"<\/span>=><\/span>11<\/span>,<\/span>\r\n \"result\"<\/span>=><\/span>\"deleted\"<\/span>,<\/span>\r\n \"_shards\"<\/span>=><\/span>{<\/span>\"total\"<\/span>=><\/span>2<\/span>,<\/span> \"successful\"<\/span>=><\/span>1<\/span>,<\/span> \"failed\"<\/span>=><\/span>0<\/span>},<\/span>\r\n \"_seq_no\"<\/span>=><\/span>10<\/span>,<\/span>\r\n \"_primary_term\"<\/span>=><\/span>2<\/span>}<\/span>\r\n<\/code><\/pre>\n
\u4e5f\u53ef\u4ee5\u6307\u5b9a\u9009\u9879\u3002\uff08\u53ef\u4ee5\u53c2\u8003\u6587\u6863\u67e5\u770b\u53ef\u9009\u6307\u5b9a\u9879\uff09<\/p>\n
manga<\/span>.<\/span>__elasticsearch__<\/span>.<\/span>delete_document<\/span>(<\/span>refresh: <\/span>true<\/span>)<\/span>\r\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
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