{"id":66567,"date":"2024-10-14T18:41:19","date_gmt":"2024-10-14T10:41:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/66567\/"},"modified":"2024-10-14T18:41:19","modified_gmt":"2024-10-14T10:41:19","slug":"mysql-%e9%8c%af%e8%aa%a4%e8%99%9f%ef%bc%9a3157%ef%bc%9b%e7%ac%a6%e8%99%9f%ef%bc%9aer_json_document_too_deep%ef%bc%9bsqlstate%ef%bc%9a22032-%e5%a0%b1%e9%8c%af-%e6%95%85%e9%9a%9c%e4%bf%ae%e5%be%a9","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/66567\/","title":{"rendered":"MySQL \u932f\u8aa4\u865f\uff1a3157\uff1b\u7b26\u865f\uff1aER_JSON_DOCUMENT_TOO_DEEP\uff1bSQLSTATE\uff1a22032 \u5831\u932f \u6545\u969c\u4fee\u5fa9 \u9060\u7a0b\u8655\u7406"},"content":{"rendered":"<h1 id=\"mysql-%e9%8c%af%e8%aa%a4%e8%99%9f%ef%bc%9a3157%ef%bc%9b%e7%ac%a6%e8%99%9f%ef%bc%9aer_json_document_too_deep%ef%bc%9bsqlstate%ef%bc%9a22032-%e5%a0%b1%e9%8c%af-%e6%95%85%e9%9a%9c%e4%bf%ae%e5%be%a9-MVUVlSwpKM\">MySQL \u932f\u8aa4\u865f\uff1a3157\uff1b\u7b26\u865f\uff1aER_JSON_DOCUMENT_TOO_DEEP\uff1bSQLSTATE\uff1a22032 \u5831\u932f \u6545\u969c\u4fee\u5fa9 \u9060\u7a0b\u8655\u7406<\/h1>\n<p>\u5728\u4f7f\u7528 MySQL \u6578\u64da\u5eab\u6642\uff0c\u958b\u767c\u8005\u53ef\u80fd\u6703\u9047\u5230\u5404\u7a2e\u932f\u8aa4\uff0c\u5176\u4e2d\u4e4b\u4e00\u4fbf\u662f\u932f\u8aa4\u865f 3157\uff0c\u7b26\u865f\u70ba ER_JSON_DOCUMENT_TOO_DEEP\uff0cSQLSTATE \u70ba 22032\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u8207 JSON \u6587\u6a94\u7684\u6df1\u5ea6\u6709\u95dc\uff0c\u7576 JSON \u6587\u6a94\u7684\u5d4c\u5957\u5c64\u7d1a\u8d85\u904e MySQL \u7684\u9650\u5236\u6642\uff0c\u5c31\u6703\u89f8\u767c\u6b64\u932f\u8aa4\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u8a72\u932f\u8aa4\u7684\u6210\u56e0\u3001\u5f71\u97ff\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"%e9%8c%af%e8%aa%a4%e6%88%90%e5%9b%a0-MVUVlSwpKM\">\u932f\u8aa4\u6210\u56e0<\/h2>\n<p>MySQL \u5728\u8655\u7406 JSON \u6578\u64da\u6642\uff0c\u5c0d\u65bc\u6587\u6a94\u7684\u6df1\u5ea6\u6709\u4e00\u5b9a\u7684\u9650\u5236\u3002\u6839\u64da MySQL \u7684\u5b98\u65b9\u6587\u6a94\uff0cJSON \u6587\u6a94\u7684\u6700\u5927\u6df1\u5ea6\u70ba 100 \u5c64\u3002\u5982\u679c\u4e00\u500b JSON \u6587\u6a94\u7684\u5d4c\u5957\u5c64\u7d1a\u8d85\u904e\u9019\u500b\u9650\u5236\uff0c\u5c31\u6703\u51fa\u73fe\u932f\u8aa4 3157\u3002\u9019\u7a2e\u60c5\u6cc1\u901a\u5e38\u767c\u751f\u5728\u4ee5\u4e0b\u5e7e\u7a2e\u60c5\u6cc1\uff1a<\/p>\n<ul>\n<li><strong>\u8907\u96dc\u7684\u6578\u64da\u7d50\u69cb\uff1a<\/strong>\u7576\u6578\u64da\u7d50\u69cb\u904e\u65bc\u8907\u96dc\uff0c\u5c0e\u81f4 JSON \u6587\u6a94\u7684\u5c64\u7d1a\u904e\u6df1\u3002<\/li>\n<li><strong>\u4e0d\u7576\u7684\u6578\u64da\u8a2d\u8a08\uff1a<\/strong>\u5728\u8a2d\u8a08\u6578\u64da\u6a21\u578b\u6642\uff0c\u672a\u80fd\u5408\u7406\u898f\u5283\u6578\u64da\u7684\u5d4c\u5957\u5c64\u7d1a\u3002<\/li>\n<li><strong>\u6578\u64da\u5c0e\u5165\u904e\u7a0b\u4e2d\u7684\u932f\u8aa4\uff1a<\/strong>\u5728\u5c07\u6578\u64da\u5c0e\u5165 MySQL \u6642\uff0c\u53ef\u80fd\u56e0\u70ba\u6578\u64da\u683c\u5f0f\u4e0d\u6b63\u78ba\u800c\u5c0e\u81f4\u5c64\u7d1a\u904e\u6df1\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%bd%b1%e9%9f%bf-MVUVlSwpKM\">\u5f71\u97ff<\/h2>\n<p>\u7576\u51fa\u73fe\u6b64\u932f\u8aa4\u6642\uff0c\u5c07\u6703\u5f71\u97ff\u5230\u6578\u64da\u7684\u8b80\u53d6\u548c\u5beb\u5165\u64cd\u4f5c\uff0c\u9032\u800c\u5f71\u97ff\u61c9\u7528\u7a0b\u5e8f\u7684\u6b63\u5e38\u904b\u884c\u3002\u958b\u767c\u8005\u53ef\u80fd\u6703\u7121\u6cd5\u5f9e\u6578\u64da\u5eab\u4e2d\u7372\u53d6\u6240\u9700\u7684\u6578\u64da\uff0c\u6216\u8005\u5728\u5617\u8a66\u63d2\u5165\u6578\u64da\u6642\u9047\u5230\u554f\u984c\uff0c\u9019\u5c07\u5c0e\u81f4\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u4e0b\u964d\uff0c\u751a\u81f3\u53ef\u80fd\u5c0e\u81f4\u7cfb\u7d71\u5d29\u6f70\u3002<\/p>\n<h2 id=\"%e6%95%85%e9%9a%9c%e4%bf%ae%e5%be%a9-MVUVlSwpKM\">\u6545\u969c\u4fee\u5fa9<\/h2>\n<p>\u8981\u4fee\u5fa9 MySQL \u932f\u8aa4 3157\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u63a1\u53d6\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5-json-%e6%96%87%e6%aa%94%e7%9a%84%e7%b5%90%e6%a7%8b-MVUVlSwpKM\">1. \u6aa2\u67e5 JSON \u6587\u6a94\u7684\u7d50\u69cb<\/h3>\n<p>\u9996\u5148\uff0c\u6aa2\u67e5\u5c0e\u81f4\u932f\u8aa4\u7684 JSON \u6587\u6a94\uff0c\u78ba\u4fdd\u5176\u7d50\u69cb\u4e0d\u8d85\u904e 100 \u5c64\u7684\u9650\u5236\u3002\u53ef\u4ee5\u4f7f\u7528 JSON \u9a57\u8b49\u5de5\u5177\u4f86\u6aa2\u67e5\u6587\u6a94\u7684\u6709\u6548\u6027\u548c\u6df1\u5ea6\u3002<\/p>\n<h3 id=\"2-%e7%b0%a1%e5%8c%96%e6%95%b8%e6%93%9a%e7%b5%90%e6%a7%8b-MVUVlSwpKM\">2. \u7c21\u5316\u6578\u64da\u7d50\u69cb<\/h3>\n<p>\u5982\u679c\u767c\u73fe JSON \u6587\u6a94\u7684\u5c64\u7d1a\u904e\u6df1\uff0c\u8003\u616e\u7c21\u5316\u6578\u64da\u7d50\u69cb\u3002\u53ef\u4ee5\u5c07\u67d0\u4e9b\u5d4c\u5957\u7684\u6578\u64da\u5e73\u92ea\uff0c\u6216\u8005\u5c07\u5176\u62c6\u5206\u70ba\u591a\u500b\u8f03\u5c0f\u7684 JSON \u6587\u6a94\u3002<\/p>\n<h3 id=\"3-%e8%aa%bf%e6%95%b4%e6%95%b8%e6%93%9a%e6%a8%a1%e5%9e%8b-MVUVlSwpKM\">3. \u8abf\u6574\u6578\u64da\u6a21\u578b<\/h3>\n<p>\u5728\u8a2d\u8a08\u6578\u64da\u6a21\u578b\u6642\uff0c\u61c9\u5408\u7406\u898f\u5283\u6578\u64da\u7684\u5d4c\u5957\u5c64\u7d1a\uff0c\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u6df1\u5ea6\u3002\u53ef\u4ee5\u8003\u616e\u4f7f\u7528\u95dc\u806f\u6578\u64da\u5eab\u7684\u65b9\u5f0f\u4f86\u5b58\u5132\u6578\u64da\uff0c\u6e1b\u5c11\u5c0d JSON \u7684\u4f9d\u8cf4\u3002<\/p>\n<h3 id=\"4-%e4%bd%bf%e7%94%a8-mysql-%e7%9a%84-json-%e5%87%bd%e6%95%b8-MVUVlSwpKM\">4. \u4f7f\u7528 MySQL \u7684 JSON \u51fd\u6578<\/h3>\n<p>MySQL \u63d0\u4f9b\u4e86\u4e00\u4e9b JSON \u51fd\u6578\uff0c\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u597d\u5730\u8655\u7406 JSON \u6578\u64da\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>JSON_DEPTH()<\/code> \u51fd\u6578\u4f86\u6aa2\u67e5 JSON \u6587\u6a94\u7684\u6df1\u5ea6\uff0c\u5f9e\u800c\u53ca\u65e9\u767c\u73fe\u554f\u984c\u3002<\/p>\n<pre><code>SELECT JSON_DEPTH('{\"a\": {\"b\": {\"c\": {\"d\": {\"e\": {\"f\": {\"g\": {\"h\": {\"i\": {\"j\": {}}}}}}}}}}}}') AS depth;<\/code><\/pre>\n<h2 id=\"%e9%81%a0%e7%a8%8b%e8%99%95%e7%90%86-MVUVlSwpKM\">\u9060\u7a0b\u8655\u7406<\/h2>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u958b\u767c\u8005\u53ef\u80fd\u7121\u6cd5\u76f4\u63a5\u8a2a\u554f\u6578\u64da\u5eab\u9032\u884c\u6545\u969c\u6392\u9664\u3002\u6b64\u6642\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528\u9060\u7a0b\u8655\u7406\u5de5\u5177\u4f86\u5354\u52a9\u89e3\u6c7a\u554f\u984c\u3002\u8a31\u591a\u96f2\u670d\u52d9\u63d0\u4f9b\u5546\u90fd\u63d0\u4f9b\u4e86\u9060\u7a0b\u7ba1\u7406\u5de5\u5177\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u901a\u904e\u9019\u4e9b\u5de5\u5177\u4f86\u6aa2\u67e5\u6578\u64da\u5eab\u7684\u72c0\u614b\uff0c\u4e26\u9032\u884c\u5fc5\u8981\u7684\u8abf\u6574\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-MVUVlSwpKM\">\u7e3d\u7d50<\/h2>\n<p>MySQL \u932f\u8aa4\u865f 3157 \u662f\u4e00\u500b\u8207 JSON \u6587\u6a94\u6df1\u5ea6\u6709\u95dc\u7684\u932f\u8aa4\uff0c\u7576\u6587\u6a94\u7684\u5d4c\u5957\u5c64\u7d1a\u8d85\u904e 100 \u5c64\u6642\u6703\u89f8\u767c\u6b64\u932f\u8aa4\u3002\u901a\u904e\u6aa2\u67e5 JSON \u7d50\u69cb\u3001\u7c21\u5316\u6578\u64da\u6a21\u578b\u4ee5\u53ca\u4f7f\u7528 MySQL \u7684 JSON \u51fd\u6578\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u6b64\u554f\u984c\u3002\u5728\u8655\u7406\u6b64\u985e\u932f\u8aa4\u6642\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u670d\u52d9\u4e5f\u80fd\u63d0\u9ad8\u6578\u64da\u5eab\u7684\u7a69\u5b9a\u6027\u548c\u6027\u80fd\uff0c\u5f9e\u800c\u6e1b\u5c11\u985e\u4f3c\u554f\u984c\u7684\u767c\u751f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u89e3\u6c7a MySQL \u932f\u8aa4\u865f 3157 (ER_JSON_DOCUMENT_TOO_DEEP) \u7684\u6545\u969c\uff0c\u63d0\u4f9b\u9060\u7a0b\u8655\u7406\u65b9\u6848\uff0c\u78ba\u4fdd\u6578\u64da\u5b8c\u6574\u6027\u8207\u6027\u80fd\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-66567","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/66567","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"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=66567"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/66567\/revisions"}],"predecessor-version":[{"id":66568,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/66567\/revisions\/66568"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=66567"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=66567"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=66567"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}