{"id":61277,"date":"2024-10-13T09:54:17","date_gmt":"2024-10-13T01:54:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/61277\/"},"modified":"2024-10-13T09:54:17","modified_gmt":"2024-10-13T01:54:17","slug":"elasticsearch%e6%9f%a5%e8%a9%a2%e5%8f%8a%e8%81%9a%e5%90%88%e9%a1%9edsl%e8%aa%9e%e5%8f%a5%e5%af%b6%e5%85%b8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/61277\/","title":{"rendered":"Elasticsearch\u67e5\u8a62\u53ca\u805a\u5408\u985eDSL\u8a9e\u53e5\u5bf6\u5178"},"content":{"rendered":"<h1 id=\"elasticsearch%e6%9f%a5%e8%a9%a2%e5%8f%8a%e8%81%9a%e5%90%88%e9%a1%9edsl%e8%aa%9e%e5%8f%a5%e5%af%b6%e5%85%b8-NDwvVmYDTL\">Elasticsearch\u67e5\u8a62\u53ca\u805a\u5408\u985eDSL\u8a9e\u53e5\u5bf6\u5178<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0cElasticsearch\u4f5c\u70ba\u4e00\u500b\u5f37\u5927\u7684\u641c\u7d22\u5f15\u64ce\uff0c\u5df2\u7d93\u6210\u70ba\u8a31\u591a\u4f01\u696d\u548c\u958b\u767c\u8005\u7684\u9996\u9078\u3002\u5b83\u4e0d\u50c5\u80fd\u5920\u5feb\u901f\u5730\u67e5\u8a62\u5927\u91cf\u6578\u64da\uff0c\u9084\u80fd\u9032\u884c\u8907\u96dc\u7684\u805a\u5408\u5206\u6790\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eElasticsearch\u7684\u67e5\u8a62\u53ca\u805a\u5408\u985eDSL\uff08Domain Specific Language\uff09\u8a9e\u53e5\uff0c\u5e6b\u52a9\u8b80\u8005\u66f4\u597d\u5730\u7406\u89e3\u548c\u4f7f\u7528\u9019\u4e00\u5de5\u5177\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afelasticsearch-dsl%ef%bc%9f-NDwvVmYDTL\">\u4ec0\u9ebc\u662fElasticsearch 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id=\"%e5%9f%ba%e6%9c%ac%e6%9f%a5%e8%a9%a2%e8%aa%9e%e5%8f%a5-NDwvVmYDTL\">\u57fa\u672c\u67e5\u8a62\u8a9e\u53e5<\/h2>\n<p>\u5728Elasticsearch\u4e2d\uff0c\u67e5\u8a62\u8a9e\u53e5\u901a\u5e38\u4f7f\u7528\u4ee5\u4e0b\u5e7e\u7a2e\u57fa\u672c\u7d50\u69cb\uff1a<\/p>\n<ul>\n<li><strong>Match\u67e5\u8a62\uff1a<\/strong>\u7528\u65bc\u67e5\u627e\u5305\u542b\u7279\u5b9a\u8a5e\u8a9e\u7684\u6587\u6a94\u3002<\/li>\n<li><strong>Term\u67e5\u8a62\uff1a<\/strong>\u7528\u65bc\u67e5\u627e\u7cbe\u78ba\u5339\u914d\u7684\u6587\u6a94\u3002<\/li>\n<li><strong>Range\u67e5\u8a62\uff1a<\/strong>\u7528\u65bc\u67e5\u627e\u5728\u7279\u5b9a\u7bc4\u570d\u5167\u7684\u6578\u503c\u3002<\/li>\n<\/ul>\n<h3 id=\"match%e6%9f%a5%e8%a9%a2%e7%a4%ba%e4%be%8b-NDwvVmYDTL\">Match\u67e5\u8a62\u793a\u4f8b<\/h3>\n<pre><code>{\n    \"query\": {\n        \"match\": {\n            \"content\": \"Elasticsearch\"\n        }\n    }\n}<\/code><\/pre>\n<p>\u4e0a\u8ff0\u67e5\u8a62\u5c07\u8fd4\u56de\u6240\u6709\u5305\u542b\u201cElasticsearch\u201d\u9019\u500b\u8a5e\u7684\u6587\u6a94\u3002<\/p>\n<h3 id=\"term%e6%9f%a5%e8%a9%a2%e7%a4%ba%e4%be%8b-NDwvVmYDTL\">Term\u67e5\u8a62\u793a\u4f8b<\/h3>\n<pre><code>{\n    \"query\": {\n        \"term\": {\n            \"status\": \"active\"\n        }\n    }\n}<\/code><\/pre>\n<p>\u9019\u500b\u67e5\u8a62\u5c07\u8fd4\u56de\u6240\u6709\u72c0\u614b\u70ba\u201cactive\u201d\u7684\u6587\u6a94\u3002<\/p>\n<h3 id=\"range%e6%9f%a5%e8%a9%a2%e7%a4%ba%e4%be%8b-NDwvVmYDTL\">Range\u67e5\u8a62\u793a\u4f8b<\/h3>\n<pre><code>{\n    \"query\": {\n        \"range\": {\n            \"date\": {\n                \"gte\": \"2023-01-01\",\n                \"lte\": \"2023-12-31\"\n            }\n        }\n    }\n}<\/code><\/pre>\n<p>\u9019\u500b\u67e5\u8a62\u5c07\u8fd4\u56de\u6240\u6709\u65e5\u671f\u57282023\u5e74\u5167\u7684\u6587\u6a94\u3002<\/p>\n<h2 id=\"%e8%81%9a%e5%90%88%e6%9f%a5%e8%a9%a2-NDwvVmYDTL\">\u805a\u5408\u67e5\u8a62<\/h2>\n<p>\u805a\u5408\u67e5\u8a62\u662fElasticsearch\u7684\u4e00\u500b\u5f37\u5927\u529f\u80fd\uff0c\u5141\u8a31\u7528\u6236\u5c0d\u6578\u64da\u9032\u884c\u7d71\u8a08\u5206\u6790\u3002\u5e38\u898b\u7684\u805a\u5408\u985e\u578b\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>Sum\u805a\u5408\uff1a<\/strong>\u8a08\u7b97\u6578\u503c\u5b57\u6bb5\u7684\u7e3d\u548c\u3002<\/li>\n<li><strong>Avg\u805a\u5408\uff1a<\/strong>\u8a08\u7b97\u6578\u503c\u5b57\u6bb5\u7684\u5e73\u5747\u503c\u3002<\/li>\n<li><strong>Terms\u805a\u5408\uff1a<\/strong>\u5c0d\u67d0\u500b\u5b57\u6bb5\u7684\u503c\u9032\u884c\u5206\u7d44\u7d71\u8a08\u3002<\/li>\n<\/ul>\n<h3 id=\"sum%e8%81%9a%e5%90%88%e7%a4%ba%e4%be%8b-NDwvVmYDTL\">Sum\u805a\u5408\u793a\u4f8b<\/h3>\n<pre><code>{\n    \"aggs\": {\n        \"total_sales\": {\n            \"sum\": {\n                \"field\": \"sales\"\n            }\n        }\n    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id=\"%e7%b5%90%e8%ab%96-NDwvVmYDTL\">\u7d50\u8ad6<\/h2>\n<p>Elasticsearch\u7684\u67e5\u8a62\u53ca\u805a\u5408\u985eDSL\u8a9e\u53e5\u70ba\u7528\u6236\u63d0\u4f9b\u4e86\u5f37\u5927\u7684\u6578\u64da\u67e5\u8a62\u548c\u5206\u6790\u80fd\u529b\u3002\u901a\u904e\u9748\u6d3b\u7684\u67e5\u8a62\u7d50\u69cb\u548c\u591a\u6a23\u7684\u805a\u5408\u529f\u80fd\uff0c\u7528\u6236\u53ef\u4ee5\u8f15\u9b06\u5730\u5f9e\u5927\u91cf\u6578\u64da\u4e2d\u63d0\u53d6\u6709\u50f9\u503c\u7684\u4fe1\u606f\u3002\u7121\u8ad6\u662f\u9032\u884c\u7c21\u55ae\u7684\u67e5\u8a62\u9084\u662f\u8907\u96dc\u7684\u6578\u64da\u5206\u6790\uff0c\u638c\u63e1\u9019\u4e9bDSL\u8a9e\u53e5\u90fd\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc<code>VPS<\/code>\u3001<code>\u9999\u6e2fVPS<\/code>\u3001<code>\u4f3a\u670d\u5668<\/code>\u3001<code>\u4e91\u4f3a\u670d\u5668<\/code>\u7b49\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9 <a 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