{"id":27233,"date":"2024-11-24T13:47:24","date_gmt":"2024-11-24T05:47:24","guid":{"rendered":"https:\/\/fwq.ai\/blog\/27233\/"},"modified":"2024-11-24T13:47:24","modified_gmt":"2024-11-24T05:47:24","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8-mysql-5-7-%e4%b8%ad%e7%bb%9f%e8%ae%a1-json-%e6%95%b0%e7%bb%84%e4%b8%ad%e7%89%b9%e5%ae%9a%e5%85%83%e7%b4%a0%e7%9a%84%e4%bd%bf%e7%94%a8%e6%ac%a1%e6%95%b0%ef%bc%9f-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/27233\/","title":{"rendered":"\u5982\u4f55\u5728 MySQL 5.7 \u4e2d\u7edf\u8ba1 JSON \u6570\u7ec4\u4e2d\u7279\u5b9a\u5143\u7d20\u7684\u4f7f\u7528\u6b21\u6570\uff1f"},"content":{"rendered":"

\"\u5982\u4f55\u5728<\/p>\n

\u5982\u4f55\u5728 5.7 \u4e2d\u7edf\u8ba1 json \u6570\u7ec4\u4e2d\u7279\u5b9a\u5143\u7d20\u7684\u4f7f\u7528\u6b21\u6570<\/strong><\/p>\n

mysql 5.7 \u4e2d\u6ca1\u6709\u4e13\u95e8\u7528\u4e8e\u7edf\u8ba1 json \u6570\u7ec4\u4e2d\u7279\u5b9a\u5143\u7d20\u6570\u91cf\u7684\u51fd\u6570\u3002\u7136\u800c\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 json_search() \u51fd\u6570\u548c\u5206\u7ec4\u67e5\u8be2\u6765\u5b9e\u73b0\u7c7b\u4f3c\u7684\u529f\u80fd\u3002<\/p>\n

\u89e3\u51b3\u65b9\u6848\uff1a<\/strong><\/p>\n

    \n
  1. \n

    \u4f7f\u7528 json_search() \u51fd\u6570\u641c\u7d22\u76ee\u6807\u5143\u7d20\uff1a<\/p>\n

    json_search(tags, 'one', \"3467562849402896\")<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u8fd9\u5c06\u8fd4\u56de\u4e00\u4e2a\u5305\u542b\u76ee\u6807\u5143\u7d20\u7684 json \u503c\u7684\u5217\u8868\uff08\u5982\u679c\u627e\u5230\u7684\u8bdd\uff09\u3002<\/p>\n<\/li>\n
  2. \n
    \u5bf9 json \u503c\u8fdb\u884c\u5206\u7ec4\u5e76\u8ba1\u6570\uff1a<\/p>\n
    select\n    count(json_search(tags, 'one', <\u76ee\u6807\u5143\u7d20>)) as count\nfrom\n    <table>\ngroup by\n    json_search(tags, 'one', <\u76ee\u6807\u5143\u7d20>)<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u8fd9\u5c06\u5bf9\u627e\u5230\u7684\u76ee\u6807\u5143\u7d20\u8fdb\u884c\u5206\u7ec4\u5e76\u8ba1\u7b97\u6bcf\u4e2a\u5143\u7d20\u51fa\u73b0\u7684\u6b21\u6570\u3002<\/p>\n<\/li>\n<\/ol>\n
    \u793a\u4f8b\uff1a<\/strong><\/p>\n
    \u6839\u636e\u7ed9\u5b9a\u7684 json \u6570\u636e\u548c\u76ee\u6807\u5143\u7d20\uff0c\u67e5\u8be2\u5c06\u4f1a\u4ea7\u751f\u4ee5\u4e0b\u7ed3\u679c\uff1a<\/p>\n
    +-----------------------+------+\n| count                  | total |\n+-----------------------+------+\n| \"3467562849402896\"    | 3     |\n| \"3467562861985809\"    | 2     |\n| \"3465044211793921\"    | 1     |\n+-----------------------+------+<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u8fd9\u79cd\u65b9\u6cd5\u5141\u8bb8\u6211\u4eec\u7075\u6d3b\u5730\u7edf\u8ba1 json \u6570\u7ec4\u4e2d\u4efb\u4f55\u6307\u5b9a\u5143\u7d20\u7684\u8ba1\u6570\uff0c\u800c\u65e0\u9700\u4f7f\u7528\u5916\u90e8\u4ee3\u7801\u6216\u7528\u6237\u5b9a\u4e49\u51fd\u6570\u3002<\/p>\n
    \u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u5728 MySQL 5.7 \u4e2d\u7edf\u8ba1 JSON \u6570\u7ec4\u4e2d\u7279\u5b9a\u5143\u7d20\u7684\u4f7f\u7528\u6b21\u6570\uff1f\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
    \u5982\u4f55\u5728 5.7 \u4e2d\u7edf\u8ba1 json \u6570\u7ec4\u4e2d\u7279\u5b9a\u5143\u7d20\u7684\u4f7f\u7528\u6b21\u6570 mysql 5.7 \u4e2d\u6ca1\u6709\u4e13\u95e8\u7528\u4e8e\u7edf\u8ba1 json \u6570\u7ec4\u4e2d\u7279\u5b9a\u5143\u7d20\u6570\u91cf\u7684\u51fd\u6570\u3002\u7136\u800c\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 json_search() \u51fd\u6570\u548c\u5206\u7ec4\u67e5\u8be2\u6765\u5b9e\u73b0\u7c7b\u4f3c\u7684\u529f\u80fd\u3002 \u89e3\u51b3\u65b9\u6848\uff1a \u4f7f\u7528 json_search() \u51fd\u6570\u641c\u7d22\u76ee\u6807\u5143\u7d20\uff1a json_search(tags, ‘one’, “3467562849402896”) \u767b\u5f55\u540e\u590d\u5236 \u8fd9\u5c06\u8fd4\u56de\u4e00\u4e2a\u5305\u542b\u76ee\u6807\u5143\u7d20\u7684 json \u503c\u7684\u5217\u8868\uff08\u5982\u679c\u627e\u5230\u7684\u8bdd\uff09\u3002 \u5bf9 json \u503c\u8fdb\u884c\u5206\u7ec4\u5e76\u8ba1\u6570\uff1a select count(json_search(tags, ‘one’, <\u76ee\u6807\u5143\u7d20>)) as count from <table> group by json_search(tags, ‘one’, <\u76ee\u6807\u5143\u7d20>) \u767b\u5f55\u540e\u590d\u5236 \u8fd9\u5c06\u5bf9\u627e\u5230\u7684\u76ee\u6807\u5143\u7d20\u8fdb\u884c\u5206\u7ec4\u5e76\u8ba1\u7b97\u6bcf\u4e2a\u5143\u7d20\u51fa\u73b0\u7684\u6b21\u6570\u3002 \u793a\u4f8b\uff1a \u6839\u636e\u7ed9\u5b9a\u7684 json \u6570\u636e\u548c\u76ee\u6807\u5143\u7d20\uff0c\u67e5\u8be2\u5c06\u4f1a\u4ea7\u751f\u4ee5\u4e0b\u7ed3\u679c\uff1a +———————–+——+ | count | total | +———————–+——+ | “3467562849402896” | […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-27233","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/27233","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=27233"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/27233\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=27233"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=27233"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=27233"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}