{"id":21383,"date":"2024-01-02T08:28:25","date_gmt":"2024-01-02T08:28:25","guid":{"rendered":"https:\/\/server.hk\/blog\/21383\/"},"modified":"2024-11-14T10:35:29","modified_gmt":"2024-11-14T02:35:29","slug":"how-to-fix-postgresql-error-code-39p01-trigger_protocol_violated","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/21383\/","title":{"rendered":"How to fix PostgreSQL Error Code: 39P01 &#8211; trigger_protocol_violated"},"content":{"rendered":"<h1 id=\"how-to-fix-postgresql-error-code-39p01-trigger_protocol_violated-NmfvUBRiTI\">\u5982\u4f55\u4fee\u5fa9 PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a39P01 &#8211; trigger_protocol_violated<\/h1>\n<p>PostgreSQL \u662f\u4e00\u500b\u529f\u80fd\u5f37\u5927\u7684\u958b\u6e90\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u61c9\u7528\u7a0b\u5e8f\u3002\u7136\u800c\uff0c\u50cf\u6240\u6709\u8edf\u4ef6\u4e00\u6a23\uff0c\u5b83\u53ef\u80fd\u6703\u9047\u5230\u932f\u8aa4\uff0c\u5e72\u64fe\u5176\u6b63\u5e38\u904b\u884c\u3002\u5176\u4e2d\u4e00\u500b\u932f\u8aa4\u662f PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a39P01 &#8211; trigger_protocol_violated\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u5011\u5c07\u63a2\u8a0e\u8a72\u932f\u8aa4\u7684\u6210\u56e0\u4e26\u63d0\u4f9b\u9010\u6b65\u7684\u4fee\u5fa9\u6307\u5c0e\u3002<\/p>\n<h2 id=\"understanding-the-error-NmfvUBRiTI\">\u4e86\u89e3\u8a72\u932f\u8aa4<\/h2>\n<p>PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a39P01 &#8211; trigger_protocol_violated \u767c\u751f\u5728\u89f8\u767c\u5668\u5354\u8b70\u9055\u898f\u6642\u3002\u89f8\u767c\u5668\u662f PostgreSQL \u4e2d\u7684\u4e00\u7a2e\u6578\u64da\u5eab\u5c0d\u8c61\uff0c\u7576\u67d0\u4e9b\u4e8b\u4ef6\uff08\u5982\u5c0d\u8868\u9032\u884c INSERT\u3001UPDATE \u6216 DELETE \u64cd\u4f5c\uff09\u767c\u751f\u6642\u6703\u81ea\u52d5\u57f7\u884c\u3002\u89f8\u767c\u5668\u901a\u5e38\u7528\u65bc\u5f37\u5236\u57f7\u884c\u6578\u64da\u5b8c\u6574\u6027\u898f\u5247\u6216\u5728\u67d0\u4e9b\u4e8b\u4ef6\u767c\u751f\u6642\u57f7\u884c\u984d\u5916\u64cd\u4f5c\u3002<\/p>\n<p>\u7576\u89f8\u767c\u5668\u5354\u8b70\u88ab\u9055\u53cd\u6642\uff0c\u8868\u793a\u89f8\u767c\u5668\u7684\u5b9a\u7fa9\u6216\u57f7\u884c\u5b58\u5728\u554f\u984c\uff0c\u9019\u53ef\u80fd\u5c0e\u81f4\u60a8\u7684 PostgreSQL \u6578\u64da\u5eab\u51fa\u73fe\u610f\u5916\u884c\u70ba\u6216\u932f\u8aa4\u3002<\/p>\n<h2 id=\"causes-of-the-error-NmfvUBRiTI\">\u932f\u8aa4\u7684\u6210\u56e0<\/h2>\n<p>\u89f8\u767c\u5668\u5354\u8b70\u9055\u898f\u932f\u8aa4\u53ef\u80fd\u6709\u5e7e\u500b\u539f\u56e0\uff1a<\/p>\n<ul>\n<li><strong>\u89f8\u767c\u5668\u5b9a\u7fa9\u4e0d\u6b63\u78ba\uff1a<\/strong>\u5982\u679c\u89f8\u767c\u5668\u5b9a\u7fa9\u4e0d\u6b63\u78ba\uff0c\u4f8b\u5982\u5f15\u7528\u4e86\u4e0d\u5b58\u5728\u7684\u8868\u6216\u6b04\u4f4d\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u6b64\u932f\u8aa4\u3002<\/li>\n<li><strong>\u7121\u6548\u7684\u89f8\u767c\u5668\u51fd\u6578\uff1a<\/strong>\u5982\u679c\u89f8\u767c\u5668\u51fd\u6578\u5305\u542b\u932f\u8aa4\u6216\u5b9a\u7fa9\u4e0d\u6b63\u78ba\uff0c\u5247\u53ef\u80fd\u5f15\u767c trigger_protocol_violated \u932f\u8aa4\u3002<\/li>\n<li><strong>\u4f75\u767c\u6027\u554f\u984c\uff1a<\/strong>\u5982\u679c\u591a\u500b\u4e8b\u52d9\u540c\u6642\u5617\u8a66\u4fee\u6539\u76f8\u540c\u7684\u6578\u64da\uff0c\u5247\u53ef\u80fd\u5c0e\u81f4\u89f8\u767c\u5668\u5354\u8b70\u9055\u898f\u3002<\/li>\n<\/ul>\n<h2 id=\"fixing-the-error-NmfvUBRiTI\">\u4fee\u5fa9\u8a72\u932f\u8aa4<\/h2>\n<p>\u8981\u4fee\u5fa9 PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a39P01 &#8211; trigger_protocol_violated\uff0c\u8acb\u6309\u7167\u4ee5\u4e0b\u6b65\u9a5f\u64cd\u4f5c\uff1a<\/p>\n<h3 id=\"step-1-identify-the-trigger-NmfvUBRiTI\">\u6b65\u9a5f 1\uff1a\u8b58\u5225\u89f8\u767c\u5668<\/h3>\n<p>\u9996\u5148\uff0c\u8b58\u5225\u5c0e\u81f4\u932f\u8aa4\u7684\u89f8\u767c\u5668\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\u4f86\u5217\u51fa\u6578\u64da\u5eab\u4e2d\u7684\u6240\u6709\u89f8\u767c\u5668\uff1a<\/p>\n<pre><code>SELECT * FROM pg_trigger;<\/code><\/pre>\n<p>\u67e5\u770b\u89f8\u767c\u5668\u5b9a\u7fa9\uff0c\u4e26\u8a18\u9304\u89f8\u767c\u5668\u540d\u7a31\u53ca\u5176\u95dc\u806f\u7684\u8868\u3002<\/p>\n<h3 id=\"step-2-check-trigger-definition-NmfvUBRiTI\">\u6b65\u9a5f 2\uff1a\u6aa2\u67e5\u89f8\u767c\u5668\u5b9a\u7fa9<\/h3>\n<p>\u63a5\u4e0b\u4f86\uff0c\u6aa2\u67e5\u89f8\u767c\u5668\u5b9a\u7fa9\u662f\u5426\u6b63\u78ba\u3002\u6ce8\u610f\u89f8\u767c\u5668\u51fd\u6578\u4e2d\u5f15\u7528\u7684\u8868\u548c\u6b04\u4f4d\u540d\u7a31\uff0c\u78ba\u4fdd\u5b83\u5011\u5b58\u5728\u4e26\u62fc\u5beb\u6b63\u78ba\u3002<\/p>\n<h3 id=\"step-3-verify-trigger-function-NmfvUBRiTI\">\u6b65\u9a5f 3\uff1a\u9a57\u8b49\u89f8\u767c\u5668\u51fd\u6578<\/h3>\n<p>\u6aa2\u67e5\u8207\u89f8\u767c\u5668\u76f8\u95dc\u7684\u51fd\u6578\uff0c\u78ba\u4fdd\u5b83\u662f\u6709\u6548\u7684\uff0c\u4e26\u4e14\u6c92\u6709\u8a9e\u6cd5\u932f\u8aa4\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\u67e5\u770b\u89f8\u767c\u5668\u51fd\u6578\u5b9a\u7fa9\uff1a<\/p>\n<pre><code>SELECT pg_get_functiondef(tgfoid) FROM pg_trigger WHERE tgname = 'trigger_name';<\/code><\/pre>\n<p>\u5c07 &#8216;trigger_name&#8217; \u66ff\u63db\u70ba\u5c0e\u81f4\u932f\u8aa4\u7684\u5be6\u969b\u89f8\u767c\u5668\u540d\u7a31\u3002<\/p>\n<h3 id=\"step-4-resolve-concurrency-issues-NmfvUBRiTI\">\u6b65\u9a5f 4\uff1a\u89e3\u6c7a\u4f75\u767c\u6027\u554f\u984c<\/h3>\n<p>\u5982\u679c\u89f8\u767c\u5668\u5354\u8b70\u9055\u898f\u932f\u8aa4\u662f\u7531\u4f75\u767c\u6027\u554f\u984c\u5f15\u8d77\u7684\uff0c\u60a8\u9700\u8981\u8655\u7406\u6578\u64da\u7684\u4f75\u767c\u8a2a\u554f\u3002\u53ef\u4ee5\u8003\u616e\u4f7f\u7528\u9396\u5b9a\u6a5f\u5236\u6216\u8abf\u6574\u4e8b\u52d9\u9694\u96e2\u7d1a\u5225\u4f86\u9632\u6b62\u885d\u7a81\u3002<\/p>\n<h3 id=\"step-5-test-and-monitor-NmfvUBRiTI\">\u6b65\u9a5f 5\uff1a\u6e2c\u8a66\u4e26\u76e3\u63a7<\/h3>\n<p>\u5728\u9032\u884c\u4efb\u4f55\u66f4\u6539\u5f8c\uff0c\u6e2c\u8a66\u89f8\u767c\u5668\u4ee5\u78ba\u4fdd\u932f\u8aa4\u5df2\u89e3\u6c7a\u3002\u76e3\u63a7 PostgreSQL \u65e5\u8a8c\u4ee5\u6aa2\u67e5\u662f\u5426\u6709\u76f8\u95dc\u7684\u932f\u8aa4\u8a0a\u606f\u6216\u8b66\u544a\u3002<\/p>\n<h2 id=\"summary-NmfvUBRiTI\">\u7e3d\u7d50<\/h2>\n<p>PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a39P01 &#8211; trigger_protocol_violated \u53ef\u80fd\u7531\u4e0d\u6b63\u78ba\u7684\u89f8\u767c\u5668\u5b9a\u7fa9\u3001\u7121\u6548\u7684\u89f8\u767c\u5668\u51fd\u6578\u6216\u4f75\u767c\u6027\u554f\u984c\u5f15\u8d77\u3002\u8981\u4fee\u5fa9\u6b64\u932f\u8aa4\uff0c\u60a8\u9700\u8981\u8b58\u5225\u89f8\u767c\u5668\u3001\u6aa2\u67e5\u5176\u5b9a\u7fa9\u53ca\u76f8\u95dc\u51fd\u6578\uff0c\u89e3\u6c7a\u4f75\u767c\u6027\u554f\u984c\uff0c\u4e26\u6e2c\u8a66\u66f4\u6539\u3002\u5982\u679c\u60a8\u9700\u8981\u6709\u95dc PostgreSQL \u6216\u5176\u4ed6 VPS \u8a17\u7ba1\u670d\u52d9\u7684\u5e6b\u52a9\uff0c\u8acb\u8003\u616e <a href=\"https:\/\/server.hk\">Server.HK<\/a> \u63d0\u4f9b\u7684\u53ef\u9760\u4e14\u9ad8\u6548\u80fd\u7684\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u4fee\u5fa9 PostgreSQL &#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-21383","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21383","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"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=21383"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21383\/revisions"}],"predecessor-version":[{"id":24112,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21383\/revisions\/24112"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=21383"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=21383"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=21383"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}