{"id":199728,"date":"2025-05-06T10:10:36","date_gmt":"2025-05-06T02:10:36","guid":{"rendered":"https:\/\/server.hk\/cnblog\/199728\/"},"modified":"2025-05-06T10:10:36","modified_gmt":"2025-05-06T02:10:36","slug":"%e4%bc%98%e5%8c%96mysql%e6%97%b6%e9%97%b4%e8%8c%83%e5%9b%b4%e6%9f%a5%e8%af%a2","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/199728\/","title":{"rendered":"\u4f18\u5316MySQL\u65f6\u95f4\u8303\u56f4\u67e5\u8be2"},"content":{"rendered":"

<\/b> <\/p>\n

\u4f18\u5316MySQL\u65f6\u95f4\u8303\u56f4\u67e5\u8be2<\/h1>\n

\u7f16\u7a0b\u5e76\u4e0d\u662f\u4e00\u4e2a\u673a\u68b0\u6027\u7684\u5de5\u4f5c\uff0c\u800c\u662f\u9700\u8981\u6709\u601d\u8003\uff0c\u6709\u521b\u65b0\u7684\u5de5\u4f5c\uff0c\u8bed\u6cd5\u662f\u56fa\u5b9a\u7684\uff0c\u4f46\u89e3\u51b3\u95ee\u9898\u7684\u601d\u8def\u5219\u662f\u4f9d\u9760\u4eba\u7684\u601d\u7ef4\uff0c\u8fd9\u5c31\u9700\u8981\u6211\u4eec\u575a\u6301\u5b66\u4e60\u548c\u66f4\u65b0\u81ea\u5df1\u7684\u77e5\u8bc6\u3002\u4eca\u5929\u4e3b\u673a\u5b9d\u8d1d\u5c31\u6574\u7406\u5206\u4eab\u300a\u4f18\u5316MySQL\u65f6\u95f4\u8303\u56f4\u67e5\u8be2\u300b\uff0c\u6587\u7ae0\u8bb2\u89e3\u7684\u77e5\u8bc6\u70b9\u4e3b\u8981\u5305\u62ec\uff0c\u5982\u679c\u4f60\u5bf9\u6570\u636e\u5e93\u65b9\u9762\u7684\u77e5\u8bc6\u70b9\u611f\u5174\u8da3\uff0c\u5c31\u4e0d\u8981\u9519\u8fc7\u4e3b\u673a\u5b9d\u8d1d\uff0c\u5728\u8fd9\u53ef\u4ee5\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u52a9\u529b\u5f00\u53d1\u80fd\u529b\u7684\u63d0\u5347\u3002<\/p>\n

MySQL\u4e2d\u65f6\u95f4\u533a\u95f4\u67e5\u8be2\u662f\u5728\u5b9e\u9645\u9879\u76ee\u4e2d\u7ecf\u5e38\u9047\u5230\u7684\u6027\u80fd\u4f18\u5316\u95ee\u9898\u4e4b\u4e00\uff0c\u5408\u7406\u7684\u65f6\u95f4\u533a\u95f4\u67e5\u8be2\u53ef\u4ee5\u6781\u5927\u5730\u63d0\u9ad8\u67e5\u8be2\u6548\u7387\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u4e00\u4e9b\u4f18\u5316\u65b9\u6cd5\uff0c\u5e76\u7ed3\u5408\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u6765\u6f14\u793a\u3002<\/p>\n

    \n
  1. \u4f7f\u7528\u7d22\u5f15<\/li>\n<\/ol>\n

    \u5728\u8fdb\u884c\u65f6\u95f4\u533a\u95f4\u67e5\u8be2\u65f6\uff0c\u786e\u4fdd\u6570\u636e\u5e93\u8868\u4e2d\u6d89\u53ca\u65f6\u95f4\u5b57\u6bb5\u7684\u5217\u5efa\u6709\u5408\u9002\u7684\u7d22\u5f15\u3002\u53ef\u4ee5\u4f7f\u7528\u590d\u5408\u7d22\u5f15\uff08composite index\uff09\u6765\u8986\u76d6\u65f6\u95f4\u5b57\u6bb5\u548c\u5176\u4ed6\u9700\u8981\u67e5\u8be2\u7684\u5b57\u6bb5\uff0c\u4ee5\u63d0\u9ad8\u67e5\u8be2\u6027\u80fd\u3002\u4f8b\u5982\uff0c\u5728\u4e00\u4e2a\u5305\u542b\u65f6\u95f4\u5b57\u6bb5created_at<\/code>\u548c\u5546\u54c1\u4ef7\u683cprice<\/code>\u7684\u5546\u54c1\u8868\u4e2d\uff0c\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u590d\u5408\u7d22\u5f15(created_at, price)<\/code>\u3002<\/p>\n

    CREATE INDEX idx_created_price ON products (created_at, price);<\/pre>\n
      \n
    1. \u4f7f\u7528\u5408\u9002\u7684\u6570\u636e\u7c7b\u578b<\/li>\n<\/ol>\n
      \u5728\u5b58\u50a8\u65f6\u95f4\u5b57\u6bb5\u65f6\uff0c\u5e94\u9009\u62e9\u5408\u9002\u7684\u6570\u636e\u7c7b\u578b\uff0c\u4ee5\u4fbf\u66f4\u5feb\u5730\u8fdb\u884c\u65f6\u95f4\u533a\u95f4\u67e5\u8be2\u3002\u901a\u5e38\u63a8\u8350\u4f7f\u7528DATETIME<\/code>\u6216TIMESTAMP<\/code>\u6570\u636e\u7c7b\u578b\u6765\u5b58\u50a8\u65f6\u95f4\u4fe1\u606f\uff0c\u907f\u514d\u4f7f\u7528\u5b57\u7b26\u4e32\u7b49\u7c7b\u578b\u3002<\/p>\n
        \n
      1. \u4f7f\u7528\u5408\u9002\u7684\u67e5\u8be2\u8bed\u53e5<\/li>\n<\/ol>\n
        \u5728\u8fdb\u884c\u65f6\u95f4\u533a\u95f4\u67e5\u8be2\u65f6\uff0c\u5e94\u6ce8\u610f\u9009\u62e9\u5408\u9002\u7684\u67e5\u8be2\u8bed\u53e5\u6765\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u8ba1\u7b97\u3002\u53ef\u4ee5\u4f7f\u7528BETWEEN<\/code>\u3001>=<\/code>,<=<\/code>\u7b49\u6761\u4ef6\u6765\u6307\u5b9a\u65f6\u95f4\u8303\u56f4\uff0c\u907f\u514d\u4f7f\u7528LIKE<\/code>\u3001IN<\/code>\u7b49\u64cd\u4f5c\u7b26\u3002<\/p>\n
        SELECT * FROM products WHERE created_at BETWEEN '2022-01-01' AND '2022-12-31';<\/pre>\n
          \n
        1. \u907f\u514d\u5728\u67e5\u8be2\u6761\u4ef6\u4e2d\u5bf9\u65f6\u95f4\u5b57\u6bb5\u8fdb\u884c\u51fd\u6570\u64cd\u4f5c<\/li>\n<\/ol>\n
          \u907f\u514d\u5728\u67e5\u8be2\u6761\u4ef6\u4e2d\u5bf9\u65f6\u95f4\u5b57\u6bb5\u8fdb\u884c\u51fd\u6570\u64cd\u4f5c\uff0c\u56e0\u4e3a\u8fd9\u6837\u4f1a\u5bfc\u81f4\u7d22\u5f15\u5931\u6548\u3002\u5e94\u5c3d\u91cf\u5c06\u65f6\u95f4\u5b57\u6bb5\u7684\u6bd4\u8f83\u653e\u5728\u67e5\u8be2\u6761\u4ef6\u7684\u5de6\u4fa7\uff0c\u4ee5\u786e\u4fdd\u7d22\u5f15\u7684\u6709\u6548\u4f7f\u7528\u3002<\/p>\n
            \n
          1. \u4f7f\u7528\u5206\u533a\u8868<\/li>\n<\/ol>\n
            \u5bf9\u4e8e\u6570\u636e\u91cf\u8f83\u5927\u7684\u8868\uff0c\u53ef\u4ee5\u8003\u8651\u4f7f\u7528MySQL\u7684\u5206\u533a\u8868\u529f\u80fd\u6765\u5bf9\u65f6\u95f4\u5b57\u6bb5\u8fdb\u884c\u5206\u533a\uff0c\u4ee5\u63d0\u9ad8\u67e5\u8be2\u6027\u80fd\u3002\u5206\u533a\u8868\u53ef\u4ee5\u5c06\u6570\u636e\u6309\u7167\u65f6\u95f4\u8303\u56f4\u5206\u6563\u5b58\u50a8\u5728\u4e0d\u540c\u7684\u5206\u533a\u4e2d\uff0c\u51cf\u5c11\u67e5\u8be2\u65f6\u9700\u8981\u626b\u63cf\u7684\u6570\u636e\u91cf\u3002<\/p>\n
            CREATE TABLE products (\n    id INT,\n    created_at DATETIME,\n    price DECIMAL(10, 2)\n)\nPARTITION BY RANGE (YEAR(created_at)) (\n    PARTITION p0 VALUES LESS THAN (2000),\n    PARTITION p1 VALUES LESS THAN (2001),\n    PARTITION p2 VALUES LESS THAN (2002),\n    ...\n);<\/pre>\n
            \u7efc\u4e0a\u6240\u8ff0\uff0c\u9488\u5bf9MySQL\u4e2d\u65f6\u95f4\u533a\u95f4\u67e5\u8be2\u7684\u4f18\u5316\u65b9\u6cd5\uff0c\u5305\u62ec\u4f7f\u7528\u7d22\u5f15\u3001\u5408\u9002\u7684\u6570\u636e\u7c7b\u578b\u3001\u67e5\u8be2\u8bed\u53e5\u3001\u907f\u514d\u51fd\u6570\u64cd\u4f5c\u4ee5\u53ca\u4f7f\u7528\u5206\u533a\u8868\u7b49\u624b\u6bb5\u6765\u63d0\u9ad8\u67e5\u8be2\u6548\u7387\u3002\u5408\u7406\u7684\u4f18\u5316\u65b9\u6cd5\u80fd\u591f\u663e\u8457\u63d0\u5347\u67e5\u8be2\u6027\u80fd\uff0c\u4f7f\u67e5\u8be2\u7ed3\u679c\u66f4\u52a0\u9ad8\u6548\u548c\u5feb\u901f\u3002<\/p>\n
            \u597d\u4e86\uff0c\u672c\u6587\u5230\u6b64\u7ed3\u675f\uff0c\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u300a\u4f18\u5316MySQL\u65f6\u95f4\u8303\u56f4\u67e5\u8be2\u300b\uff0c\u5e0c\u671b\u672c\u6587\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff01\u5173\u6ce8\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\uff0c\u7ed9\u5927\u5bb6\u5206\u4eab\u66f4\u591a\u6570\u636e\u5e93\u77e5\u8bc6\uff01<\/p>\n
            \n
            \n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
            \u4f18\u5316MySQL\u65f6\u95f4\u8303\u56f4\u67e5\u8be2 \u7f16\u7a0b...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-199728","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/199728","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=199728"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/199728\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=199728"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=199728"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=199728"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}