{"id":1096,"date":"2023-03-12T11:34:48","date_gmt":"2023-03-12T03:34:48","guid":{"rendered":"https:\/\/www.appblog.cn\/?p=1096"},"modified":"2023-04-29T11:26:22","modified_gmt":"2023-04-29T03:26:22","slug":"elasticsearch-7-learning-basic-concepts","status":"publish","type":"post","link":"https:\/\/www.appblog.cn\/index.php\/2023\/03\/12\/elasticsearch-7-learning-basic-concepts\/","title":{"rendered":"ElasticSearch 7 \u5b66\u4e60\uff081\uff09\u57fa\u672c\u6982\u5ff5"},"content":{"rendered":"<h3>\u7d22\u5f15 index<\/h3>\n<ul>\n<li>\u4e00\u4e2a\u7d22\u5f15\u53ef\u4ee5\u7406\u89e3\u6210\u4e00\u4e2a\u5173\u7cfb\u6570\u636e\u5e93\u7684\u5e93<\/li>\n<\/ul>\n<h3>\u7c7b\u578b type<\/h3>\n<p><!-- more --><\/p>\n<ul>\n<li>\u4e00\u79cdtype\u5c31\u50cf\u4e00\u7c7b\u8868\uff0c\u6bd4\u5982user\u8868\uff0corder\u8868<\/li>\n<\/ul>\n<h3>\u6620\u5c04 mapping<\/h3>\n<ul>\n<li>mapping\u5b9a\u4e49\u4e86\u6bcf\u4e2a\u5b57\u6bb5\u7684\u7c7b\u578b\u7b49\u4fe1\u606f\u3002\u76f8\u5f53\u4e8e\u5173\u7cfb\u578b\u6570\u636e\u5e93\u4e2d\u7684\u8868\u7ed3\u6784<\/li>\n<\/ul>\n<h3>\u6587\u6863 document<\/h3>\n<ul>\n<li>\u4e00\u4e2adocument\u76f8\u5f53\u4e8e\u5173\u7cfb\u578b\u6570\u636e\u5e93\u4e2d\u7684\u4e00\u884c\u8bb0\u5f55<\/li>\n<\/ul>\n<h3>\u5b57\u6bb5 field<\/h3>\n<ul>\n<li>\u76f8\u5f53\u4e8e\u5173\u7cfb\u578b\u6570\u636e\u5e93\u8868\u7684\u5b57\u6bb5<\/li>\n<\/ul>\n<h3>\u96c6\u7fa4 cluster<\/h3>\n<ul>\n<li>\u96c6\u7fa4\u7531\u4e00\u4e2a\u6216\u591a\u4e2a\u8282\u70b9\u7ec4\u6210\uff0c\u4e00\u4e2a\u96c6\u7fa4\u6709\u4e00\u4e2a\u9ed8\u8ba4\u540d\u79f0&quot;elasticsearch&quot;<\/li>\n<\/ul>\n<h3>\u8282\u70b9 node<\/h3>\n<ul>\n<li>\u96c6\u7fa4\u7684\u8282\u70b9\uff0c\u4e00\u53f0\u673a\u5668\u6216\u8005\u4e00\u4e2a\u8fdb\u7a0b<\/li>\n<\/ul>\n<h3>\u5206\u7247\u548c\u526f\u672c node<\/h3>\n<ul>\n<li>\u526f\u672c\u662f\u5206\u7247\u7684\u526f\u672c\u3002\u5206\u7247\u6709\u4e3b\u5206\u7247(primary\u00a0Shard)\u548c\u526f\u672c\u5206\u7247(replica\u00a0Shard)\u4e4b\u5206\u3002Index\u6570\u636e\u5728\u7269\u7406\u4e0a\u88ab\u5206\u5e03\u5728\u591a\u4e2a\u4e3b\u5206\u7247\u4e2d\uff0c\u6bcf\u4e2a\u4e3b\u5206\u7247\u53ea\u5b58\u653e\u90e8\u5206\u6570\u636e\u3002\u6bcf\u4e2a\u4e3b\u5206\u7247\u53ef\u4ee5\u6709\u591a\u4e2a\u526f\u672c\uff0c\u53eb\u526f\u672c\u5206\u7247\uff0c\u662f\u4e3b\u5206\u7247\u7684\u590d\u5236\u3002<\/li>\n<\/ul>\n<h3>\u6838\u5fc3\u6570\u636e\u7c7b\u578b<\/h3>\n<h4>\u5b57\u7b26\u4e32:<\/h4>\n<ul>\n<li>text<\/li>\n<\/ul>\n<p>\u7528\u4e8e\u5168\u6587\u7d22\u5f15\uff0c\u8be5\u7c7b\u578b\u7684\u5b57\u6bb5\u5c06\u901a\u8fc7\u5206\u8bcd\u5668\u8fdb\u884c\u5206\u8bcd<\/p>\n<ul>\n<li>keyword<\/li>\n<\/ul>\n<p>\u4e0d\u5206\u8bcd\uff0c\u53ea\u80fd\u641c\u7d22\u8be5\u5b57\u6bb5\u7684\u5b8c\u6574\u7684\u503c<\/p>\n<h4>\u6570\u503c\u578b<\/h4>\n<ul>\n<li>long, integer, short, byte, double, float, half_float, scaled_float<\/li>\n<\/ul>\n<h4>\u5e03\u5c14\u578b boolean<\/h4>\n<ul>\n<li>boolean<\/li>\n<\/ul>\n<h4>\u4e8c\u8fdb\u5236<\/h4>\n<ul>\n<li>binary<\/li>\n<\/ul>\n<p>\u8be5\u7c7b\u578b\u7684\u5b57\u6bb5\u628a\u503c\u5f53\u505a\u7ecf\u8fc7 base64 \u7f16\u7801\u7684\u5b57\u7b26\u4e32\uff0c\u9ed8\u8ba4\u4e0d\u5b58\u50a8\uff0c\u4e14\u4e0d\u53ef\u641c\u7d22<\/p>\n<h4>\u8303\u56f4\u7c7b\u578b<\/h4>\n<ul>\n<li>\u8303\u56f4\u7c7b\u578b\u8868\u793a\u503c\u662f\u4e00\u4e2a\u8303\u56f4\uff0c\u800c\u4e0d\u662f\u4e00\u4e2a\u5177\u4f53\u7684\u503c<\/li>\n<li>integer_range, float_range, long_range, double_range, date_range<\/li>\n<li>\u8b6c\u5982 age \u7684\u7c7b\u578b\u662f integer_range\uff0c\u90a3\u4e48\u503c\u53ef\u4ee5\u662f <code>{&quot;gte&quot; 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