{"id":16459,"date":"2023-12-05T10:29:13","date_gmt":"2023-12-05T02:29:13","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=16459"},"modified":"2023-12-16T11:01:08","modified_gmt":"2023-12-16T03:01:08","slug":"elasticsearch-du-qu-shu-ju","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/12\/05\/elasticsearch-du-qu-shu-ju\/","title":{"rendered":"Elasticsearch \u8bfb\u53d6\u6570\u636e\uff1f"},"content":{"rendered":"

\u5728Elasticsearch\u4e2d\uff0c\u8bfb\u53d6\u6570\u636e\u901a\u5e38\u901a\u8fc7\u6267\u884c\u67e5\u8be2\u64cd\u4f5c\u6765\u5b9e\u73b0\u3002Elasticsearch\u63d0\u4f9b\u4e86\u591a\u79cd\u7c7b\u578b\u7684\u67e5\u8be2\uff0c\u5141\u8bb8\u7528\u6237\u4ee5\u7075\u6d3b\u7684\u65b9\u5f0f\u68c0\u7d22\u5339\u914d\u7684\u6587\u6863\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u8bfb\u53d6\u6570\u636e\u7684\u64cd\u4f5c\uff1a<\/p>\n

<\/span><\/a>1. Match Query\uff1a<\/h3>\n

\u4f7f\u7528match<\/code>\u67e5\u8be2\u53ef\u4ee5\u5728\u6307\u5b9a\u5b57\u6bb5\u4e2d\u641c\u7d22\u5305\u542b\u6307\u5b9a\u8bcd\u6c47\u7684\u6587\u6863\u3002<\/p>\n

{\n  "query": {\n    "match": {\n      "field_name": "search term"\n    }\n  }\n}\n<\/code><\/pre>\n
<\/span><\/a>2. Term Query\uff1a<\/h3>\n
term<\/code>\u67e5\u8be2\u7528\u4e8e\u5728\u5b57\u6bb5\u4e2d\u67e5\u627e\u5305\u542b\u6307\u5b9a\u672f\u8bed\u7684\u6587\u6863\u3002<\/p>\n
{\n  "query": {\n    "term": {\n      "field_name": "term_value"\n    }\n  }\n}\n<\/code><\/pre>\n
<\/span><\/a>3. Bool Query\uff1a<\/h3>\n
bool<\/code>\u67e5\u8be2\u5141\u8bb8\u7ec4\u5408\u591a\u4e2a\u67e5\u8be2\u6761\u4ef6\uff0c\u5305\u62ec\u5fc5\u987b\u5339\u914d\u3001\u5e94\u8be5\u5339\u914d\u548c\u4e0d\u5f97\u5339\u914d\u3002<\/p>\n
{\n  "query": {\n    "bool": {\n      "must": { "match": { "field1": "value1" }},\n      "filter": { "term": { "field2": "value2" }}\n    }\n  }\n}\n<\/code><\/pre>\n
<\/span><\/a>4. Range Query\uff1a<\/h3>\n
\u4f7f\u7528range<\/code>\u67e5\u8be2\u53ef\u4ee5\u5728\u6307\u5b9a\u8303\u56f4\u5185\u5339\u914d\u5b57\u6bb5\u7684\u503c\u3002<\/p>\n
{\n  "query": {\n    "range": {\n      "field_name": {\n        "gte": "start_value",\n        "lte": "end_value"\n      }\n    }\n  }\n}\n<\/code><\/pre>\n
<\/span><\/a>5. More Like This Query\uff1a<\/h3>\n
more_like_this<\/code>\u67e5\u8be2\u5141\u8bb8\u6839\u636e\u7ed9\u5b9a\u6587\u6863\u7684\u5185\u5bb9\u67e5\u627e\u7c7b\u4f3c\u7684\u6587\u6863\u3002<\/p>\n
{\n  "query": {\n    "more_like_this": {\n      "fields": ["field_name"],\n      "like": [\n        {\n          "_index": "index_name",\n          "_id": "document_id"\n        }\n      ],\n      "min_term_freq": 1,\n      "min_doc_freq": 1\n    }\n  }\n}\n<\/code><\/pre>\n
\u8fd9\u4e9b\u67e5\u8be2\u53ef\u4ee5\u901a\u8fc7HTTP\u8bf7\u6c42\u53d1\u9001\u5230Elasticsearch\u7684RESTful API\u7aef\u70b9\u8fdb\u884c\u6267\u884c\u3002\u67e5\u8be2\u7684\u7ed3\u679c\u5c06\u5305\u542b\u5339\u914d\u67e5\u8be2\u6761\u4ef6\u7684\u6587\u6863\uff0c\u7528\u6237\u53ef\u4ee5\u4ece\u54cd\u5e94\u4e2d\u63d0\u53d6\u6240\u9700\u7684\u4fe1\u606f\u3002<\/p>\n
\u6b64\u5916\uff0cElasticsearch\u8fd8\u652f\u6301\u805a\u5408\u64cd\u4f5c\uff0c\u5141\u8bb8\u7528\u6237\u5bf9\u5339\u914d\u6587\u6863\u6267\u884c\u7edf\u8ba1\u3001\u5206\u7ec4\u7b49\u64cd\u4f5c\u3002\u9605\u8bfb Elasticsearch \u7684\u5b98\u65b9\u6587\u6863<\/a>\u53ef\u4ee5\u66f4\u8be6\u7ec6\u5730\u4e86\u89e3\u67e5\u8be2\u548c\u805a\u5408\u7684\u5404\u79cd\u9009\u9879\u548c\u7528\u6cd5\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5728Elasticsearch\u4e2d\uff0c\u8bfb\u53d6\u6570\u636e\u901a\u5e38\u901a\u8fc7\u6267\u884c\u67e5\u8be2\u64cd\u4f5c\u6765\u5b9e\u73b0\u3002Elasticsearch\u63d0\u4f9b\u4e86\u591a\u79cd\u7c7b\u578b\u7684 […]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[125],"tags":[],"class_list":["post-16459","post","type-post","status-publish","format-standard","hentry","category-elasticsearch"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/16459","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=16459"}],"version-history":[{"count":2,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/16459\/revisions"}],"predecessor-version":[{"id":48401,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/16459\/revisions\/48401"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=16459"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=16459"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=16459"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}