{"id":5244,"date":"2021-05-20T11:26:14","date_gmt":"2021-05-20T03:26:14","guid":{"rendered":"https:\/\/damogame.cn\/wordpress\/?p=5244"},"modified":"2021-05-20T11:26:14","modified_gmt":"2021-05-20T03:26:14","slug":"%e4%bb%8e%e4%bb%8a%e5%a4%a9%e8%b5%b7%ef%bc%8c%e7%94%a8%e5%a5%bd-json-%e6%95%b0%e6%8d%ae%e7%b1%bb%e5%9e%8b%ef%bc%81","status":"publish","type":"post","link":"https:\/\/i007.cc\/wordpress\/archives\/5244","title":{"rendered":"\u4ece\u4eca\u5929\u8d77\uff0c\u7528\u597d JSON \u6570\u636e\u7c7b\u578b\uff01"},"content":{"rendered":"

\u539f\u6587\u5730\u5740<\/a><\/p>\n

 <\/p>\n

\u539f\u521b<\/span>\u00a0\u7834\u4ea7\u7801\u519c<\/span><\/span>\u00a0<\/a>InsideMySQL<\/span>\u00a0\u6628\u5929<\/em><\/div>\n
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\u6536\u5f55\u4e8e\u8bdd\u9898<\/div>\n
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#\u6570\u636e\u5e93<\/span>17<\/span><\/div>\n
#MySQL<\/span>18<\/span><\/div>\n<\/div>\n<\/div>\n
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\"\u56fe\u7247\"<\/p>\n<\/section>\n<\/section>\n

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\u7834\u4ea7\u7801\u519c<\/span><\/p>\n<\/section>\n<\/section>\n

\n
IT\u5708\u6700\u4f1a\u8bb2\u6545\u4e8b\u7684\u7f51\u7ea2 \u00b7 \u5357\u5c71\u5f6d\u4e8e\u664f<\/section>\n<\/section>\n

MySQL 5.7\u7248\u672c\u5f00\u59cb\u5c31\u5df2\u652f\u6301JSON\u7c7b\u578b\uff0c\u7528\u4ee5\u5b9e\u73b0\u975e\u7ed3\u6784\u6570\u636e\u7684\u5b58\u50a8\u3002<\/h1>\n

\u5f88\u591a\u540c\u5b66\u8ba4\u4e3aJSON\u7c7b\u578b\u5c31\u662f\u4e00\u4e2a\u5b57\u7b26\u4e32\u7c7b\u578b\uff0c\u90a3\u662f\u4e0d\u5bf9\u7684\u3002<\/p>\n

MySQL\u7684JSON\u672c\u8d28\u4e0a\u548cMongoDB\u7684BSON\u7c7b\u578b\u662f\u4e00\u6837\u7684\uff0c\u90fd\u662f\u539f\u751f\u7684\u4e8c\u8fdb\u5236JSON\u3002<\/p>\n

\u60f3\u8981\u77e5\u9053MySQL JSON\u7c7b\u578b\u7684\u5177\u4f53\u5b9e\u73b0\u53ef\u4ee5\u770b\u5b98\u65b9\u7684worklog\uff1aWL#8132: JSON datatype and binary storage format<\/span><\/em><\/p>\n

\u867d\u7136JSON\u7c7b\u578b\u5df2\u7ecf\u63a8\u51fa\u6709\u8fd16\u5e74\u7684\u65f6\u95f4\uff0c\u7136\u800c\u5927\u90e8\u5206\u5f00\u53d1\u540c\u5b66\u5e76\u4e0d\u80fd\u5145\u5206\u5229\u7528JSON\u7684\u4f18\u52bf\u3002<\/p>\n

\u4eca\u5929\uff0c\u5c31\u7531\u59dc\u8001\u5e08\u6559\u5927\u5bb6\u5982\u4f55\u7528\u597dJSON\u7c7b\u578b\u3002<\/p>\n

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1<\/p>\n<\/section>\n<\/section>\n<\/section>\n

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JSON\u7684\u4f7f\u7528<\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n

\u5728\u51e0\u5e74\u524d\u7684\u6587\u7ae0\u6587\u6863\u6570\u636e\u5e93\u4eec\u5df2\u5728\u5395\u6240\u54ed\u6655\uff0cMySQL 5.7\u539f\u751f\u652f\u6301JSON\u683c\u5f0f\u4e2d<\/em><\/span><\/a>\uff0c\u5df2\u7ecf\u5bf9JSON\u7c7b\u578b\u7684\u4f7f\u7528\u548c\u51fd\u6570\u7d22\u5f15\u6709\u8fc7\u57fa\u672c\u7684\u4ecb\u7ecd\uff0c\u8fd9\u91cc\u4e0d\u518d\u8d58\u8ff0\u76f8\u5173\u5185\u5bb9\u3002<\/p>\n

\u4f46\u6211\u53d1\u73b0\uff0c\u5f88\u591a\u5f00\u53d1\u540c\u5b66\u5728JSON\u7c7b\u578b\u4e2d\u66f4\u65b0\u67d0\u4e2a\u5b57\u6bb5\u65f6\uff0c\u6bd4\u5982\u5b57\u6bb5a\u66f4\u65b0\u4e3axx\u65f6\uff0c\u4f1a\u5199\u6210\u7c7b\u4f3c\u4e0b\u9762\u8fd9\u6837\u7684SQL\uff1a<\/p>\n

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    \n
  • <\/li>\n
  • <\/li>\n
  • <\/li>\n<\/ul>\n
    UPDATE<\/span> t SET<\/span> <\/span><\/code>info\u00a0=\u00a0\"{'a':'xx','b':'yy','c':'zz',...}\"<\/span><\/span><\/code>WHERE<\/span>\u00a0id<\/span>\u00a0=\u00a0?<\/span><\/code><\/pre>\n<\/section>\n
    \u8fd9\u6837\u7684\u5199\u6cd5\u518d\u6b21\u66b4\u9732\u51fa\u4e1a\u52a1\u540c\u5b66\u5bf9\u4e8eJSON\u7c7b\u578b\u7684\u7406\u89e3\u4e0d\u5230\u4f4d\uff0c\u53ea\u662f\u5c06\u5176\u7406\u89e3\u4e3a\u4e00\u4e2a\u5f88\u5927\u7684\u5b57\u7b26\u4e32\u3002<\/p>\n
    \u5373\u5728\u66f4\u65b0\u65f6\u62fc\u63a5\u51fa\u4e00\u4e2a\u5f88\u5927\u7684\u5b57\u7b26\u4e32\uff0c\u7136\u540e\u7528UPDATE\u53bb\u66f4\u65b0\u3002\u8fd9\u6837\u5728\u4e1a\u52a1\u7aef\u7684\u5904\u7406\u53ca\u5176\u590d\u6742\u3002<\/p>\n
    \u5bf9\u4e8e\u66f4\u65b0JSON\u7c7b\u578b\u4e2d\u7684\u67d0\u4e2a\u5b57\u6bb5\uff0c\u53ea\u9700\u6309\u5982\u4e0b\u65b9\u5f0f\uff1a<\/p>\n
    \n
      \n
    • <\/li>\n
    • <\/li>\n
    • <\/li>\n<\/ul>\n
      UPDATE<\/span> t <\/span><\/code>SET<\/span> info = JSON_SET(info,'a'<\/span>,'xxx'<\/span>) <\/span><\/code>WHERE<\/span> id<\/span> = ?<\/span><\/code><\/pre>\n<\/section>\n
      \u53ef\u4ee5\u770b\u5230\uff0c\u901a\u8fc7\u51fd\u6570JSON_SET\u53ef\u4ee5\u65b9\u4fbf\u7684\u5bf9\u67d0\u51e0\u4e2a\u5b57\u6bb5\u66f4\u65b0\uff0c\u5145\u5206\u5229\u7528JSON\u7c7b\u578b\u7684\u4f18\u52bf\u3002<\/p>\n
      \u9664\u4e86JSON_SET\uff0cMySQL\u8fd8\u63d0\u4f9b\u4e86JSON_INSERT()\u3001JSON_REPLACE()\u3001JSON_ARRAY_APPEND\u7b49\u4e00\u4e9b\u5217JSON\u7684\u66f4\u65b0\u51fd\u6570\u3002<\/p>\n
      \u5207\u8bb0\uff0c\u4e0d\u8981\u518d\u901a\u8fc7\u624b\u5de5\u65b9\u5f0f\uff0c\u901a\u8fc7\u5b57\u7b26\u4e32\u7684\u65b9\u5f0f\u66f4\u65b0JSON\u5b57\u6bb5\u3002<\/strong><\/span><\/p>\n
      <\/h1>\n
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      2<\/p>\n<\/section>\n<\/section>\n<\/section>\n
      \n
      JSON\u7684\u4e1a\u52a1\u4f7f\u7528<\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n
      \u5728\u54ea\u4e9b\u573a\u666f\u4e2d\u4f7f\u7528JSON\u7c7b\u578b\uff0c\u80fd\u66f4\u4e3a\u5145\u5206\u7684\u5229\u7528JSON\u7684\u4f18\u52bf\u5462\uff1f<\/p>\n
      \u603b\u7684\u6765\u8bf4\uff0c\u4ee5\u4e0b\u51e0\u79cd\u573a\u666f\u975e\u5e38\u9002\u5408\uff1a<\/p>\n
        \n
      1. \u5143\u6570\u636e\u5b58\u50a8<\/li>\n
      2. \u7528\u6237\u753b\u50cf<\/li>\n<\/ol>\n
        \u5728\u505a\u4e00\u4e9b\u7c7b\u4f3cCMDB\u8fd9\u6837\u7684\u7cfb\u7edf\u65f6\uff0c\u4e00\u4e9b\u6570\u636e\u5e76\u65e0\u6cd5\u4e00\u5f00\u59cb\u5c31\u5b9a\u4e49\u597d\u56fa\u5b9a\u7684\u5217\uff0c\u540e\u7eed\u53ef\u80fd\u8fd8\u4f1a\u589e\u52a0\u3002<\/p>\n
        \u8fd9\u65f6\u5229\u7528JSON\u7c7b\u578b\u7684\u975e\u7ed3\u6784\u5316\u5b58\u50a8\uff0c\u53ef\u4ee5\u975e\u5e38\u65b9\u4fbf\u7684\u5b58\u50a8\u4e0a\u8ff0\u6570\u636e\u3002<\/p>\n
        \u6bd4\u5982\uff0c\u5b58\u50a8\u670d\u52a1\u5668\u7684\u5143\u4fe1\u606f\uff0c\u5176\u4e2d\u6bcf\u53f0\u670d\u52a1\u5668\u4e0a\u6709\u591a\u5757\u78c1\u76d8\u3002<\/p>\n
        \u8fd9\u4e2a\u7528\u5173\u7cfb\u578b\u5c31\u4e0d\u592a\u597d\u8868\u8fbe\uff0c\u4f46\u662f\u7528JSON\u7c7b\u578b\u5c31\u5f88\u597d\u63cf\u8ff0\uff1a<\/p>\n
        \"\u56fe\u7247\"<\/p>\n
        \u53e6\u5916\u4e00\u4e2a\u975e\u5e38\u9002\u5408\u4f7f\u7528JSON\u7c7b\u578b\u7684\u4e1a\u52a1\u662f\u7528\u6237\u753b\u50cf\uff0c\u5373\u7ed9\u7528\u6237\u6253\u6807\u7b7e\u3002<\/p>\n
        \u4e4b\u524d\u5f88\u591a\u4e1a\u52a1\u540c\u5b66\u4f1a\u8bbe\u8ba1\u6210\u7c7b\u4f3c\u5982\u4e0b\u7684\u8fd9\u79cd\u6a21\u5f0f\uff1a<\/p>\n
        \"\u56fe\u7247\"<\/p>\n
        \u7136\u540e\u5462\uff0c\u4ed6\u4eec\u4f1a\u8981\u6c42DBA\u5728\u6807\u7b7e\u5217\u4e0a\u521b\u5efa\u5168\u6587\u7d22\u5f15\uff0c\u8fdb\u884c\u4e1a\u52a1\u4e0a\u7684\u67e5\u8be2\u3002<\/p>\n
        \u4f8b\u5982\u67e5\u8be2\uff0c80\u540e\uff0c\u5e38\u770b\u7535\u5f71\u7684\u7528\u6237\u6709\u54ea\u4e9b\u3002<\/p>\n
        \u8fd9\u6837\u7684\u8bbe\u8ba1\u662f\u975e\u5e38\u9519\u8bef\u7684\u3002<\/p>\n
        \u56e0\u4e3a\u6807\u7b7e\u5217\u6709\u5b57\u7b26\u4e32\u5206\u5272\u7684\u6f5c\u89c4\u5219\u201d\uff1b\u201c\uff0c\u5bb9\u6613\u5f15\u5165\u810f\u6570\u636e\u3002<\/p>\n
        \u53e6\u5916\uff0c\u6807\u7b7e\u7684\u53ef\u7ef4\u62a4\u6027\u592a\u5dee\uff0c\u66f4\u65b0\u8fd8\u662f\u63d2\u5165\u90fd\u975e\u5e38\u9ebb\u70e6\u3002<\/p>\n
        \u4e4b\u524d\uff0c\u82e5\u7528\u5173\u7cfb\u578b\u7684\u65b9\u5f0f\uff0c\u53ef\u4ee5\u8bbe\u8ba1\u4e3a\u7c7b\u4f3c\u5982\u4e0b\u7684\u8868\u7ed3\u6784\u5f62\u5f0f\uff1a<\/p>\n
        \"\u56fe\u7247\"<\/p>\n
        \u901a\u8fc7\u521b\u5efa\uff08userId\uff0cuserTag\uff09\u7684\u8054\u5408\u4e3b\u952e\uff0c\u521b\u5efa\u4e00\u5f20\u7528\u6237\u753b\u50cf\u8868\u3002\u4f46\u8fd9\u65f6\u4f60\u4f1a\u53d1\u73b0\uff0cuserId\u7684\u5197\u4f59\u5ea6\u975e\u5e38\u9ad8\u3002<\/p>\n
        \u82e5\u7528JSON\u7c7b\u578b\u7684\u6570\u7ec4\u529f\u80fd\uff0c\u5219\u8868\u7ed3\u6784\u5c31\u4f1a\u975e\u5e38\u4f18\u96c5\u4e86\uff1a<\/p>\n
        \"\u56fe\u7247\"<\/p>\n
        \u7136\u540e\u5229\u7528MySQL 8.0\u63d0\u4f9b\u7684Multi-Valued Indexes\uff0c\u5219\u53ef\u4ee5\u65b9\u4fbf\u7684\u8fdb\u884c\u7528\u6237\u753b\u50cf\u7684\u67e5\u8be2\u3002<\/p>\n
        \u5982\u6211\u4eec\u60f3\u67e5\u8be2\u90fd\u7231\u770b\u7535\u5f71\u7684\u7528\u6237\u6709\u54ea\u4e9b\uff08userTags = 10\uff09\u3002<\/p>\n
        \u9996\u5148\uff0c\u521b\u5efaMulti-Valued Indexs\uff1a<\/p>\n
        \"\u56fe\u7247\"<\/section>\n
        \u7136\u540e\uff0c\u5229\u7528\u51fd\u6570MEMBER OF\u3001JSON_CONTAINS\u3001JSON_OVERLAP\u8fdb\u884c\u7528\u6237\u753b\u50cf\u7684\u641c\u7d22\u3002\u5982\uff1a<\/p>\n
        \"\u56fe\u7247\"<\/p>\n
        \u4e0a\u9762\u8fd9\u4e2aSQL\u4f7f\u7528\u4e86\u51fd\u6570MEMBER OF\u67e5\u8be2\u7231\u770b\u7535\u5f71\u7684\u7528\u6237\u3002<\/p>\n
        \u82e5\u60f3\u67e5\u8be280\u540e\u4e14\u7231\u770b\u7535\u5f71\u7684\u7528\u6237\uff0c\u5219\u53ef\u4ee5\u4f7f\u7528\u51fd\u6570JSON_CONTAINS\uff1a<\/p>\n
        \"\u56fe\u7247\"<\/p>\n
        \u5982\u679c\u60f3\u8981\u67e5\u8be2\u753b\u50cf\u4e3a 80 \u540e\u300190 \u540e\uff0c\u4e14\u5e38\u770b\u7535\u5f71\u7684\u7528\u6237\uff0c\u5219\u53ef\u4ee5\u4f7f\u7528\u51fd\u6570 JSON_OVERLAP\uff1a<\/p>\n
        \"\u56fe\u7247\"<\/p>\n
        \u53ef\u4ee5\u770b\u5230\u4f7f\u7528JSON\u7c7b\u578b\uff0c\u4e00\u4e9b\u90fd\u6765\u7684\u5982\u6b64\u4f18\u96c5\u3002<\/p>\n
        <\/h1>\n
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        3<\/p>\n<\/section>\n<\/section>\n<\/section>\n
        \n
        \u5229\u5668\uff1aJSON_TABLE<\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n
        \u6700\u540e\uff0c\u4ecb\u7ecd\u4e00\u4e0b\u51fd\u6570JSON_TABLE\uff0c\u4ed6\u53ef\u4ee5\u5c06\u975e\u7ed3\u6784\u5316\u7684\u6570\u636e\u8f6c\u5316\u4e3a\u7ed3\u6784\u5316\uff0c\u6253\u7834\u5173\u7cfb\u578b\u548c\u975e\u5173\u7cfb\u578b\u7684\u8fb9\u754c\u3002<\/p>\n
        \u5bf9\u4e8e\u4e00\u4e9b\u722c\u866b\u4e1a\u52a1\uff0c\u540e\u671f\u60f3\u505a\u4e00\u4e9b\u5206\u6790\u5c31\u53d8\u5f97\u975e\u5e38\u5bb9\u6613\u4e86\u3002<\/p>\n
        \u8fd9\u91cc\u4e0d\u505a\u5177\u4f53\u5c55\u5f00\uff0c\u53ea\u662f\u7ed9\u4e00\u4e2a\u7b80\u5355\u7684\u4f8b\u5b50\uff1a<\/p>\n
        \"\u56fe\u7247\"<\/p>\n
        \u4e0a\u9762\u8fd9\u6761SQL\u5c31\u662f\u5c06\u8868chatroomdetail\u4e2d\u7684JSON\u7c7b\u578b\u5b57\u6bb5\uff0c\u8f6c\u5316\u4e3a\u4e00\u5f20\u8868\u8fdb\u884c\u67e5\u8be2\u3002<\/p>\n
        MySQL\u7684JSON_TABLE\u8fd8\u652f\u6301JSON\u5d4c\u5957\u7684\u8f6c\u5316\uff0c\u5177\u4f53\u5927\u5bb6\u53ef\u4ee5\u67e5\u770b\u5b98\u65b9\u7528\u6237\u624b\u518c\u3002<\/p>\n
        <\/h1>\n
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        4<\/p>\n<\/section>\n<\/section>\n<\/section>\n
        \n
        \u603b\u7ed3\u4e0e\u5c55\u671b<\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n
        \u4eca\u5929\u59dc\u8001\u5e08\u7ed9\u5927\u5bb6\u4ecb\u7ecd\u4e86 MySQL JSON \u7c7b\u578b\u7684\u4f7f\u7528\uff0c\u4ee5\u53ca\u5177\u4f53\u4e1a\u52a1\u4e2d\u5982\u4f55\u7ed3\u5408JSON\u975e\u7ed3\u6784\u5316\u7684\u4f18\u52bf\u3002<\/p>\n
        \u6240\u5199\u7684\u5185\u5bb9\u90fd\u5df2\u66f4\u65b0\u5728\u62c9\u52fe\u6559\u80b2\u7684\u4e13\u680f\u300a\u59dc\u627f\u5c27\u7684MySQL\u5b9e\u6218\u5b9d\u5178\u300b\uff0c\u6b22\u8fce\u5927\u5bb6\u8ba2\u9605\u3002<\/p>\n
        \u5728\u4e13\u680f\u4e2d\uff0c\u6211\u8fd8\u63cf\u8ff0\u4e86JSON\u7c7b\u578b\u7684\u4e00\u79cd\u4e1a\u52a1\u4f7f\u7528\u573a\u666f\u3002<\/p>\n
        \"\u56fe\u7247\"<\/p>\n
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