{"id":178792,"date":"2024-11-08T20:56:25","date_gmt":"2024-11-08T12:56:25","guid":{"rendered":"https:\/\/server.hk\/cnblog\/178792\/"},"modified":"2024-11-08T20:56:26","modified_gmt":"2024-11-08T12:56:26","slug":"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9postgresql%e9%8c%af%e8%aa%a4%e4%bb%a3%e7%a2%bc%ef%bc%9a2203e-too_many_json_object_members%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/178792\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9PostgreSQL\u932f\u8aa4\u4ee3\u78bc\uff1a2203E &#8211; too_many_json_object_members\uff1f"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9postgresql%e9%8c%af%e8%aa%a4%e4%bb%a3%e7%a2%bc%ef%bc%9a2203e-too_many_json_object_members-WAocNuuzVx\">\u5982\u4f55\u4fee\u5fa9PostgreSQL\u932f\u8aa4\u4ee3\u78bc\uff1a2203E &#8211; too_many_json_object_members<\/h1>\n<p>\u5728\u4f7f\u7528PostgreSQL\u6578\u64da\u5eab\u6642\uff0c\u958b\u767c\u8005\u53ef\u80fd\u6703\u9047\u5230\u5404\u7a2e\u932f\u8aa4\u4ee3\u78bc\uff0c\u5176\u4e2d\u4e4b\u4e00\u662f2203E\uff0c\u8a72\u932f\u8aa4\u901a\u5e38\u8207JSON\u6578\u64da\u985e\u578b\u7684\u4f7f\u7528\u6709\u95dc\u3002\u5177\u9ad4\u4f86\u8aaa\uff0c\u9019\u500b\u932f\u8aa4\u8868\u793a\u5728JSON\u5c0d\u8c61\u4e2d\u5305\u542b\u7684\u6210\u54e1\u6578\u91cf\u8d85\u904e\u4e86PostgreSQL\u7684\u9650\u5236\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u9019\u500b\u932f\u8aa4\u7684\u539f\u56e0\u3001\u5f71\u97ff\u4ee5\u53ca\u5982\u4f55\u6709\u6548\u5730\u4fee\u5fa9\u5b83\u3002<\/p>\n<h2 id=\"%e9%8c%af%e8%aa%a4%e5%8e%9f%e5%9b%a0-WAocNuuzVx\">\u932f\u8aa4\u539f\u56e0<\/h2>\n<p>PostgreSQL\u5c0dJSON\u5c0d\u8c61\u7684\u6210\u54e1\u6578\u91cf\u6709\u4e00\u5b9a\u7684\u9650\u5236\uff0c\u9019\u662f\u70ba\u4e86\u4fdd\u8b49\u6578\u64da\u5eab\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002\u7576\u4f60\u5617\u8a66\u63d2\u5165\u6216\u66f4\u65b0\u4e00\u500bJSON\u5c0d\u8c61\u6642\uff0c\u5982\u679c\u8a72\u5c0d\u8c61\u7684\u6210\u54e1\u6578\u91cf\u8d85\u904e\u4e86\u9810\u8a2d\u7684\u4e0a\u9650\uff0c\u5c31\u6703\u89f8\u767c2203E\u932f\u8aa4\u3002\u9019\u500b\u9650\u5236\u901a\u5e38\u662f\u7531\u65bc\u4ee5\u4e0b\u5e7e\u500b\u539f\u56e0\u9020\u6210\u7684\uff1a<\/p>\n<ul>\n<li><strong>\u6578\u64da\u7d50\u69cb\u8a2d\u8a08\u4e0d\u7576\uff1a<\/strong>\u5982\u679c\u4f60\u7684\u6578\u64da\u6a21\u578b\u8a2d\u8a08\u4e0d\u5408\u7406\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4JSON\u5c0d\u8c61\u4e2d\u5305\u542b\u904e\u591a\u7684\u6210\u54e1\u3002<\/li>\n<li><strong>\u6578\u64da\u8f38\u5165\u932f\u8aa4\uff1a<\/strong>\u5728\u6578\u64da\u8f38\u5165\u904e\u7a0b\u4e2d\uff0c\u53ef\u80fd\u4e0d\u5c0f\u5fc3\u6dfb\u52a0\u4e86\u91cd\u8907\u6216\u4e0d\u5fc5\u8981\u7684\u6210\u54e1\u3002<\/li>\n<li><strong>\u61c9\u7528\u908f\u8f2f\u932f\u8aa4\uff1a<\/strong>\u61c9\u7528\u7a0b\u5e8f\u7684\u908f\u8f2f\u932f\u8aa4\u53ef\u80fd\u5c0e\u81f4\u751f\u6210\u7684JSON\u5c0d\u8c61\u904e\u65bc\u9f90\u5927\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%bd%b1%e9%9f%bf-WAocNuuzVx\">\u5f71\u97ff<\/h2>\n<p>\u7576\u9047\u52302203E\u932f\u8aa4\u6642\uff0c\u61c9\u7528\u7a0b\u5e8f\u5c07\u7121\u6cd5\u6b63\u5e38\u904b\u884c\uff0c\u9019\u53ef\u80fd\u6703\u5f71\u97ff\u7528\u6236\u9ad4\u9a57\u548c\u6578\u64da\u7684\u5b8c\u6574\u6027\u3002\u7279\u5225\u662f\u5728\u8655\u7406\u5927\u91cf\u6578\u64da\u6642\uff0c\u9019\u500b\u932f\u8aa4\u53ef\u80fd\u6703\u5c0e\u81f4\u6027\u80fd\u4e0b\u964d\uff0c\u751a\u81f3\u7cfb\u7d71\u5d29\u6f70\u3002\u56e0\u6b64\uff0c\u53ca\u6642\u4fee\u5fa9\u9019\u500b\u932f\u8aa4\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002<\/p>\n<h2 id=\"%e4%bf%ae%e5%be%a9%e6%96%b9%e6%b3%95-WAocNuuzVx\">\u4fee\u5fa9\u65b9\u6cd5<\/h2>\n<p>\u8981\u4fee\u5fa92203E\u932f\u8aa4\uff0c\u53ef\u4ee5\u63a1\u53d6\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5json%e5%b0%8d%e8%b1%a1%e7%9a%84%e7%b5%90%e6%a7%8b-WAocNuuzVx\">1. \u6aa2\u67e5JSON\u5c0d\u8c61\u7684\u7d50\u69cb<\/h3>\n<p>\u9996\u5148\uff0c\u6aa2\u67e5\u5c0e\u81f4\u932f\u8aa4\u7684JSON\u5c0d\u8c61\u3002\u4f60\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u67e5\u8a62\u4f86\u67e5\u770b\u8a72\u5c0d\u8c61\u7684\u5167\u5bb9\uff1a<\/p>\n<pre><code>SELECT your_json_column FROM your_table WHERE your_condition;<\/code><\/pre>\n<p>\u78ba\u4fddJSON\u5c0d\u8c61\u7684\u7d50\u69cb\u5408\u7406\uff0c\u4e26\u4e14\u6210\u54e1\u6578\u91cf\u5728\u53ef\u63a5\u53d7\u7684\u7bc4\u570d\u5167\u3002<\/p>\n<h3 id=\"2-%e7%b0%a1%e5%8c%96%e6%95%b8%e6%93%9a%e7%b5%90%e6%a7%8b-WAocNuuzVx\">2. \u7c21\u5316\u6578\u64da\u7d50\u69cb<\/h3>\n<p>\u5982\u679c\u767c\u73feJSON\u5c0d\u8c61\u4e2d\u5305\u542b\u904e\u591a\u7684\u6210\u54e1\uff0c\u53ef\u4ee5\u8003\u616e\u7c21\u5316\u6578\u64da\u7d50\u69cb\u3002\u4f8b\u5982\uff0c\u5c07\u4e00\u4e9b\u4e0d\u5fc5\u8981\u7684\u6210\u54e1\u522a\u9664\uff0c\u6216\u8005\u5c07\u76f8\u95dc\u7684\u6578\u64da\u5408\u4f75\u70ba\u4e00\u500b\u6210\u54e1\u3002\u9019\u6a23\u53ef\u4ee5\u6709\u6548\u6e1b\u5c11JSON\u5c0d\u8c61\u7684\u5927\u5c0f\u3002<\/p>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8jsonb%e9%a1%9e%e5%9e%8b-WAocNuuzVx\">3. \u4f7f\u7528JSONB\u985e\u578b<\/h3>\n<p>PostgreSQL\u63d0\u4f9b\u4e86JSONB\u6578\u64da\u985e\u578b\uff0c\u5b83\u5728\u6027\u80fd\u548c\u9748\u6d3b\u6027\u4e0a\u512a\u65bcJSON\u3002\u8003\u616e\u5c07\u4f60\u7684JSON\u6578\u64da\u8f49\u63db\u70baJSONB\uff0c\u9019\u6a23\u53ef\u4ee5\u66f4\u597d\u5730\u8655\u7406\u5927\u578b\u6578\u64da\u96c6\u3002\u8f49\u63db\u7684SQL\u8a9e\u53e5\u5982\u4e0b\uff1a<\/p>\n<pre><code>ALTER TABLE your_table ALTER COLUMN your_json_column TYPE JSONB USING your_json_column::JSONB;<\/code><\/pre>\n<h3 id=\"4-%e5%a2%9e%e5%8a%a0%e6%95%b8%e6%93%9a%e5%ba%ab%e9%85%8d%e7%bd%ae%e9%99%90%e5%88%b6-WAocNuuzVx\">4. \u589e\u52a0\u6578\u64da\u5eab\u914d\u7f6e\u9650\u5236<\/h3>\n<p>\u5982\u679c\u4ee5\u4e0a\u65b9\u6cd5\u7121\u6cd5\u89e3\u6c7a\u554f\u984c\uff0c\u5247\u53ef\u4ee5\u8003\u616e\u8abf\u6574PostgreSQL\u7684\u914d\u7f6e\u53c3\u6578\u3002\u96d6\u7136\u9019\u4e0d\u662f\u63a8\u85a6\u7684\u505a\u6cd5\uff0c\u4f46\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u589e\u52a0JSON\u5c0d\u8c61\u7684\u6210\u54e1\u6578\u91cf\u9650\u5236\u53ef\u80fd\u662f\u5fc5\u8981\u7684\u3002\u9019\u53ef\u4ee5\u901a\u904e\u4fee\u6539postgresql.conf\u6587\u4ef6\u4f86\u5be6\u73fe\uff1a<\/p>\n<pre><code>SET max_json_object_members = new_limit;<\/code><\/pre>\n<p>\u8acb\u6ce8\u610f\uff0c\u9019\u6a23\u505a\u53ef\u80fd\u6703\u5f71\u97ff\u6578\u64da\u5eab\u7684\u6027\u80fd\uff0c\u56e0\u6b64\u61c9\u8b39\u614e\u4f7f\u7528\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-WAocNuuzVx\">\u7e3d\u7d50<\/h2>\n<p>PostgreSQL\u932f\u8aa4\u4ee3\u78bc2203E &#8211; too_many_json_object_members\u901a\u5e38\u662f\u7531\u65bcJSON\u5c0d\u8c61\u4e2d\u6210\u54e1\u6578\u91cf\u904e\u591a\u5f15\u8d77\u7684\u3002\u901a\u904e\u6aa2\u67e5\u6578\u64da\u7d50\u69cb\u3001\u7c21\u5316\u6578\u64da\u3001\u4f7f\u7528JSONB\u985e\u578b\u4ee5\u53ca\u8abf\u6574\u6578\u64da\u5eab\u914d\u7f6e\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u4fee\u5fa9\u9019\u500b\u932f\u8aa4\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\u81f3\u95dc\u91cd\u8981\u3002\u5982\u679c\u4f60\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u670d\u52d9\uff0cServer.HK\u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\u4ee5\u6eff\u8db3\u4f60\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4fee\u5fa9PostgreSQL\u932f\u8aa4\u4ee3\u78bc2203E\u7684\u6307\u5357\uff0c\u89e3\u6c7a\u904e\u591aJSON\u5c0d\u8c61\u6210\u54e1\u7684\u554f\u984c\uff0c\u63d0\u5347\u6578\u64da\u5eab\u6027\u80fd\u8207\u7a69\u5b9a\u6027\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-178792","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/178792","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=178792"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/178792\/revisions"}],"predecessor-version":[{"id":178793,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/178792\/revisions\/178793"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=178792"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=178792"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=178792"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}