{"id":16397,"date":"2024-09-19T15:47:35","date_gmt":"2024-09-19T07:47:35","guid":{"rendered":"https:\/\/92it.top\/?p=16397"},"modified":"2024-09-19T15:47:35","modified_gmt":"2024-09-19T07:47:35","slug":"%e5%a4%a7%e6%95%b0%e6%8d%ae%e9%87%8f%e4%b8%8bmysql%e7%9a%84%e5%a4%9a%e8%a1%a8%e8%81%94%e5%90%88%e6%9f%a5%e8%af%a2%e4%bc%98%e5%8c%96%e6%96%b9%e6%a1%88","status":"publish","type":"post","link":"https:\/\/92it.top\/?p=16397","title":{"rendered":"\u5927\u6570\u636e\u91cf\u4e0bMysql\u7684\u591a\u8868\u8054\u5408\u67e5\u8be2\u4f18\u5316\u65b9\u6848"},"content":{"rendered":"\n

  \u5728\u7535\u5546\u7684\u5c65\u7ea6\u4e1a\u52a1\u4e2d\uff0c\u8fd0\u8425\u4eba\u5458\u6216\u8d22\u52a1\u4eba\u5458\u9700\u8981\u5728\u4e00\u5f20excel\u4e2d\u5bfc\u51fa\u5173\u4e8e\u5c65\u7ea6\u5355\u7684\u5177\u4f53\u4fe1\u606f\uff0c\u5982\u5c65\u7ea6\u5355\u4e0b\u5355\u4fe1\u606f\u3001\u5c65\u7ea6\u5546\u54c1\u4fe1\u606f\u3001\u5c65\u7ea6\u5355\u9001\u4ed3\u4fe1\u606f\u3001\u5c65\u7ea6\u5355\u7684\u7269\u6d41\u4fe1\u606f\u7b49\u7b49\uff0c\u8fd9\u4e9b\u4fe1\u606f\u5f80\u5f80\u5728\u540c\u4e00\u4e2a\u5c65\u7ea6\u6570\u636e\u5e93\u7684\u4e0d\u540c\u8868\u4e2d\uff0c\u5982\u679c\u8981\u5bfc\u51fa\u8fd9\u4e9b\u6570\u636e\u9700\u8981\u8054\u8868\u67e5\u8be2\u6765\u83b7\u53d6\u6570\u636e\u3002<\/p>\n\n\n\n

    \u5047\u8bbe\u5728\u5c65\u7ea6\u5355\u7684\u6570\u636e\u91cf\u5f88\u5927\u7684\u60c5\u51b5\u4e0b\uff0c\u8054\u8868\u67e5\u8be2\u80af\u5b9a\u662f\u4e00\u4e2a\u6162Sql\uff0c\u5982\u679c\u6b64\u65f6\u5c65\u7ea6\u7cfb\u7edf\u7684\u5e76\u53d1\u91cf\u7a81\u589e\uff0c\u6b64\u65f6\u6781\u6709\u53ef\u80fd\u7531\u4e8e\u6162Sql\u7684\u539f\u56e0\u5c06\u7cfb\u7edf\u6253\u5d29\u6e83\u3002\u6709\u6ca1\u6709\u4ec0\u4e48\u529e\u6cd5\u6765\u4f18\u5316\u591a\u8868\u7684\u8054\u5408\u67e5\u8be2\u95ee\u9898\u5462\uff1f\u4e0b\u9762\u4ecb\u7ecd\u51e0\u79cd\u4f18\u5316\u65b9\u6848\u3002<\/p>\n\n\n\n

1\u3001\u5b57\u6bb5\u5197\u4f59\u7684\u5bbd\u8868\u65b9\u6848<\/strong><\/p>\n\n\n\n

\n\n\n
\n
\"\"<\/figure><\/div>\n\n\n

 \u5bbd\u8868\u662f\u5c06\u4e1a\u52a1\u9700\u8981\u7684\u6570\u636e\u5b57\u6bb5\u5197\u4f59\u5230\u4e00\u5f20\u6570\u636e\u8868\u4e2d\uff0c\u5728\u67e5\u8be2\u7684\u65f6\u5019\u5f80\u5f80\u5c31\u4e0d\u9700\u8981\u5728\u8054\u8868\u67e5\u8be2\u4e86\uff0c\u8fd9\u79cd\u8bbe\u8ba1\u867d\u7136\u7b26\u5408\u4e86\u4e1a\u52a1\u9700\u6c42\u4f46\u662f\u8fdd\u53cd\u4e86Mysql\u6570\u636e\u8868\u7684\u8bbe\u8ba1\u539f\u5219\u3002\u5bbd\u8868\u6709\u5982\u4e0b\u7684\u7f3a\u70b9\uff1a<\/p>\n\n\n\n

\uff081\uff09\u5728\u6dfb\u52a0\u6216\u8005\u5220\u9664\u5b57\u6bb5\u7684\u65f6\u5019\u53ef\u80fd\u9700\u8981\u9501\u4f4f\u8868\uff0c\u5982\u679c\u5e76\u53d1\u8f83\u5927\u7684\u60c5\u51b5\u4e0b\uff0c\u9501\u8868\u4f1a\u5e26\u6765\u8f83\u591a\u7684\u95ee\u9898\u3002<\/p>\n\n\n\n

\uff082\uff09\u5bbd\u8868\u5f88\u96be\u6e05\u6670\u5730\u770b\u51fa\u8868\u4e0e\u8868\u4e4b\u95f4\u7684\u8054\u7cfb\uff0c\u7ef4\u62a4\u4e0a\u4e0d\u65b9\u4fbf\u3002<\/p>\n\n\n\n

2\u3001Mysql\u7684JSON\u683c\u5f0f\u5b57\u6bb5\u65b9\u6848<\/strong><\/p>\n\n\n\n

\n\n\n\n

   \u81eaMysql5.7.8\u7248\u672c\u5f00\u59cb\u5c31\u63d0\u4f9b\u4e86\u4e00\u79cdJSON\u683c\u5f0f\u5b57\u6bb5\uff0c\u5b83\u4f1a\u81ea\u52a8\u7684\u9a8c\u8bc1\u5b58\u50a8\u5728JSON\u5217\u4e2d\u7684JSON\u6587\u6863\u662f\u5426\u6709\u6548\uff0c\u5982\u679c\u6709\u6548\u5c31\u5141\u8bb8\u5b58\u50a8\uff0c\u53cd\u4e4b\u4e0d\u53ef\u4ee5\u5b58\u50a8\uff1b\u53ef\u4ee5\u5728\u5b58\u50a8\u7684JSON\u6587\u6863\u4e2d\u5feb\u901f\u8bfb\u53d6\u6587\u6863\u5143\u7d20\u6570\u636e\u3002<\/p>\n\n\n\n

\u521b\u5efa\u4e00\u4e2aJSON\u683c\u5f0f\u5b57\u6bb5\u5982\u4e0b\uff1a<\/p>\n\n\n\n

CREATE TABLE `my_test` (  \n    `id` INT UNSIGNED NOT NULL,\n    `data` JSON NOT NULL,\n    PRIMARY KEY (`id`)\n);<\/pre>\n\n\n\n
\u5b58\u50a8JSON\u683c\u5f0f\u7684\u6570\u636e\uff1a<\/p>\n\n\n\n
insert into my_test values(1,'{\"num\": 1,\"name\": \"abc\",\"age\": 20,\"relation\":{\"borther\": {\"num\": 1}, \"sister\": {\"num\": 2}}}');<\/pre>\n\n\n\n
\u67e5\u8be2\u6570\u636e\u6dfb\u52a0\u60c5\u51b5\uff1a<\/p>\n\n\n
\n
\"\"<\/figure><\/div>\n\n\n
\u6dfb\u52a0\u6761\u4ef6\u67e5\u8be2<\/p>\n\n\n\n
select\n       json_unquote(data -> '$.age') as age,\n       json_unquote(data -> '$.name') as name\nfrom my_test;<\/pre>\n\n\n\n
\u7ed3\u679c\u5982\u4e0b\uff1a<\/p>\n\n\n
\n
\"\"<\/figure><\/div>\n\n\n
\u5728\u6570\u636e\u91cf\u5f88\u5927\u7684\u65f6\u5019\uff0c\u67e5\u8be2\u7684\u65f6\u5019\u4f9d\u7136\u662f\u5f88\u6162\u7684\uff0c\u539f\u56e0\u662f\u6ca1\u6709\u7d22\u5f15\uff0c\u5982\u4e0b\u7684Sql\u8bed\u53e5\u89e3\u6790\uff1a<\/p>\n\n\n\n
explain select\n    json_unquote(data -> '$.age') as age,\n    json_unquote(data -> '$.num') as num\nfrom my_test where data -> '$.name' = 'abc';<\/pre>\n\n\n\n
\u89e3\u6790\u7684\u6548\u679c\uff1a<\/p>\n\n\n
\n
\"\"<\/figure><\/div>\n\n\n
\u90a3\u4e48\u4e3a\u4e86\u63d0\u9ad8\u67e5\u8be2\u6548\u7387\uff0c\u6211\u4eec\u53ef\u4ee5\u7ed9JSON\u4e2d\u7684\u5b57\u6bb5\u6dfb\u52a0\u865a\u62df\u5217\uff0c\u7136\u540e\u7ed9\u865a\u62df\u5217\u6dfb\u52a0\u7d22\u5f15\uff1a<\/p>\n\n\n\n
alter table my_test\n    add column name varchar(64) as (json_unquote(data-> '$.name')) virtual;\n#\u6dfb\u52a0\u7d22\u5f15\ncreate index idx_name on my_test (name);<\/pre>\n\n\n\n
\u6dfb\u52a0\u865a\u62df\u5217\u540e\u7684\u6548\u679c\uff1a<\/p>\n\n\n
\n
\"\"<\/figure><\/div>\n\n\n
\u73b0\u5728\u518d\u6267\u884c\u89e3\u6790\u540e\u53d1\u73b0\u4e4b\u524d\u6dfb\u52a0\u7d22\u5f15\u751f\u6548\u4e86\uff0c\u6548\u679c\u5982\u4e0b\uff1a<\/p>\n\n\n
\n
\"\"<\/figure><\/div>\n\n\n
\u5f53\u524dJSON\u683c\u5f0f\u7684\u6570\u636e\u4e5f\u53ef\u4ee5\u5f88\u65b9\u4fbf\u7684\u4fee\u6539\uff0c\u8fd9\u5757\u6211\u4eec\u5c31\u4e0d\u505a\u8fc7\u591a\u7684\u4ecb\u7ecd\u4e86\u3002\u6839\u636e\u4ee5\u4e0a\u7684\u5206\u6790\u53ef\u4ee5\u5f97\u51fa\uff0c\u4e1a\u52a1\u9700\u8981\u7684\u8ba2\u5355\u4fe1\u606f\u53ef\u4ee5\u5b58\u653e\u5728\u5230JSON\u683c\u5f0f\u7684\u5b57\u6bb5\u4e2d\u5b58\u50a8\uff0c\u5e76\u4e14\u9488\u5bf9\u9700\u8981\u7ecf\u5e38\u7528\u6765\u67e5\u8be2\u7684\u5b57\u6bb5\u6211\u4eec\u901a\u8fc7\u865a\u62df\u5217\u65b9\u6cd5\u6765\u6dfb\u52a0\u7d22\u5f15\uff0c\u8fd9\u6837\u53ef\u4ee5\u5f88\u597d\u7684\u5b9e\u73b0\u4e1a\u52a1\u9700\u6c42\u3002<\/p>\n\n\n\n
    JSON\u6570\u636e\u7c7b\u578b\u53ef\u4ee5\u6709\u6548\u7684\u89e3\u51b3\u591a\u8868\u591a\u5217\u573a\u666f\u4e0b\u7684\u6570\u636e\u67e5\u8be2\u6027\u80fd\u95ee\u9898\uff0c\u5927\u5927\u7684\u7b80\u5316\u4e86\u6570\u636e\u7ed3\u6784\uff0c\u4fbf\u4e8e\u6570\u636e\u7684\u4f20\u8f93\u548c\u7ba1\u7406\u3002\u5b83\u7279\u522b\u9002\u7528\u4e8e\u9700\u8981\u5904\u7406\u590d\u6742\u6570\u636e\u7ed3\u6784\u7684\u5e94\u7528\u573a\u666f\u3002<\/p>\n\n\n\n
\u603b\u7ed3\uff1a<\/p>\n\n\n\n
\uff081\uff09\u7b80\u5355\u7684\u4e1a\u52a1\u573a\u666f\u4e0b\uff0c\u53ef\u4ee5\u91c7\u7528\u5bbd\u8868\u7684\u65b9\u5f0f\u6765\u6ee1\u8db3\u4e1a\u52a1\u9700\u6c42\uff0c\u5982\u679c\u4e1a\u52a1\u573a\u666f\u590d\u6742\u7684\u8bdd\u5efa\u8bae\u4f7f\u7528JSON\u6570\u636e\u7c7b\u578b\u6765\u505a\u3002<\/p>\n\n\n\n
\uff082\uff09\u5bbd\u8868\u7684\u5b57\u6bb5\u4e5f\u53ef\u4ee5\u4f7f\u7528\u5982Mongodb\u8fd9\u6837\u7684\u4e2d\u95f4\u4ef6\u6765\u5e2e\u52a9\u6211\u4eec\u89e3\u51b3\u95ee\u9898\uff0c\u6211\u4eec\u90fd\u77e5\u9053Mongodb\u5176\u5b9e\u662f\u53ef\u4ee5\u652f\u6301\u52a8\u6001\u7684\u589e\u5220\u5b57\u6bb5\u5217\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
  \u5728\u7535\u5546\u7684\u5c65\u7ea6\u4e1a\u52a1\u4e2d\uff0c\u8fd0\u8425\u4eba\u5458\u6216\u8d22\u52a1\u4eba\u5458\u9700\u8981\u5728\u4e00\u5f20excel\u4e2d\u5bfc\u51fa\u5173\u4e8e\u5c65\u7ea6\u5355\u7684\u5177\u4f53\u4fe1\u606f\uff0c […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[23],"tags":[],"_links":{"self":[{"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts\/16397"}],"collection":[{"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=16397"}],"version-history":[{"count":1,"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts\/16397\/revisions"}],"predecessor-version":[{"id":16405,"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts\/16397\/revisions\/16405"}],"wp:attachment":[{"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=16397"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=16397"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=16397"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}