{"id":96816,"date":"2024-10-20T12:36:18","date_gmt":"2024-10-20T04:36:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/96816\/"},"modified":"2024-10-20T12:36:19","modified_gmt":"2024-10-20T04:36:19","slug":"postgresql-40p01-%e6%aa%a2%e6%b8%ac%e5%88%b0%e6%ad%bb%e9%8e%96-42000-%e8%aa%9e%e6%b3%95%e9%8c%af%e8%aa%a4%e6%88%96%e8%a8%aa%e5%95%8f%e8%a6%8f%e5%89%87%e9%81%95%e5%8f%8d-%e6%8a%a5%e9%94%99-%e6%95%85","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/96816\/","title":{"rendered":"PostgreSQL 40P01: \u6aa2\u6e2c\u5230\u6b7b\u9396 42000 \u8a9e\u6cd5\u932f\u8aa4\u6216\u8a2a\u554f\u898f\u5247\u9055\u53cd \u62a5\u9519 \u6545\u969c\u4fee\u590d \u8fdc\u7a0b\u5904\u7406"},"content":{"rendered":"<h1 id=\"postgresql-40p01-%e6%aa%a2%e6%b8%ac%e5%88%b0%e6%ad%bb%e9%8e%96-42000-%e8%aa%9e%e6%b3%95%e9%8c%af%e8%aa%a4%e6%88%96%e8%a8%aa%e5%95%8f%e8%a6%8f%e5%89%87%e9%81%95%e5%8f%8d-%e5%a0%b1%e9%8c%af-%e6%95%85-ePgJURoftq\">PostgreSQL 40P01: \u6aa2\u6e2c\u5230\u6b7b\u9396 42000 \u8a9e\u6cd5\u932f\u8aa4\u6216\u8a2a\u554f\u898f\u5247\u9055\u53cd \u5831\u932f \u6545\u969c\u4fee\u5fa9 \u9060\u7a0b\u8655\u7406<\/h1>\n<p>\u5728\u4f7f\u7528 PostgreSQL \u6578\u64da\u5eab\u6642\uff0c\u958b\u767c\u8005\u548c\u7cfb\u7d71\u7ba1\u7406\u54e1\u53ef\u80fd\u6703\u9047\u5230\u5404\u7a2e\u932f\u8aa4\uff0c\u5176\u4e2d\u4e4b\u4e00\u5c31\u662f\u300c<code>40P01<\/code>: \u6aa2\u6e2c\u5230\u6b7b\u9396\u300d\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u8868\u793a\u5728\u6578\u64da\u5eab\u64cd\u4f5c\u4e2d\u51fa\u73fe\u4e86\u6b7b\u9396\u60c5\u6cc1\uff0c\u5c0e\u81f4\u67d0\u4e9b\u4e8b\u52d9\u7121\u6cd5\u5b8c\u6210\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u9019\u4e00\u932f\u8aa4\u7684\u6210\u56e0\u3001\u5f71\u97ff\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e6%ad%bb%e9%8e%96%ef%bc%9f-ePgJURoftq\">\u4ec0\u9ebc\u662f\u6b7b\u9396\uff1f<\/h2>\n<p>\u6b7b\u9396\u662f\u6307\u5169\u500b\u6216\u591a\u500b\u4e8b\u52d9\u5728\u57f7\u884c\u904e\u7a0b\u4e2d\uff0c\u56e0\u70ba\u76f8\u4e92\u7b49\u5f85\u5c0d\u65b9\u91cb\u653e\u8cc7\u6e90\u800c\u7121\u6cd5\u7e7c\u7e8c\u57f7\u884c\u7684\u60c5\u6cc1\u3002\u5728 PostgreSQL \u4e2d\uff0c\u7576\u4e00\u500b\u4e8b\u52d9\u6301\u6709\u67d0\u500b\u8cc7\u6e90\u7684\u9396\uff0c\u800c\u540c\u6642\u53c8\u5728\u7b49\u5f85\u53e6\u4e00\u500b\u4e8b\u52d9\u6301\u6709\u7684\u8cc7\u6e90\u6642\uff0c\u5c31\u6703\u767c\u751f\u6b7b\u9396\u3002<\/p>\n<h2 id=\"postgresql-%e4%b8%ad%e7%9a%84%e6%ad%bb%e9%8e%96%e6%aa%a2%e6%b8%ac-ePgJURoftq\">PostgreSQL \u4e2d\u7684\u6b7b\u9396\u6aa2\u6e2c<\/h2>\n<p>PostgreSQL \u5167\u5efa\u4e86\u6b7b\u9396\u6aa2\u6e2c\u6a5f\u5236\uff0c\u7576\u7cfb\u7d71\u6aa2\u6e2c\u5230\u6b7b\u9396\u6642\uff0c\u6703\u81ea\u52d5\u7d42\u6b62\u5176\u4e2d\u4e00\u500b\u4e8b\u52d9\u4ee5\u89e3\u6c7a\u554f\u984c\u3002\u9019\u6a23\u7684\u8a2d\u8a08\u96d6\u7136\u80fd\u5920\u4fdd\u8b49\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\uff0c\u4f46\u4e5f\u53ef\u80fd\u5c0e\u81f4\u958b\u767c\u8005\u9762\u81e8\u610f\u5916\u7684\u932f\u8aa4\u5831\u544a\uff0c\u4f8b\u5982\u300c<code>40P01<\/code>: \u6aa2\u6e2c\u5230\u6b7b\u9396\u300d\u7684\u932f\u8aa4\u4fe1\u606f\u3002<\/p>\n<h2 id=\"%e6%ad%bb%e9%8e%96%e7%9a%84%e5%b8%b8%e8%a6%8b%e5%8e%9f%e5%9b%a0-ePgJURoftq\">\u6b7b\u9396\u7684\u5e38\u898b\u539f\u56e0<\/h2>\n<ul>\n<li><strong>\u4e0d\u7576\u7684\u9396\u5b9a\u9806\u5e8f\uff1a<\/strong>\u7576\u591a\u500b\u4e8b\u52d9\u4ee5\u4e0d\u540c\u7684\u9806\u5e8f\u8acb\u6c42\u9396\u6642\uff0c\u5bb9\u6613\u5c0e\u81f4\u6b7b\u9396\u3002<\/li>\n<li><strong>\u9577\u6642\u9593\u6301\u6709\u9396\uff1a<\/strong>\u5982\u679c\u4e00\u500b\u4e8b\u52d9\u5728\u6301\u6709\u9396\u7684\u540c\u6642\u57f7\u884c\u4e86\u9577\u6642\u9593\u7684\u64cd\u4f5c\uff0c\u5176\u4ed6\u4e8b\u52d9\u53ef\u80fd\u6703\u56e0\u70ba\u7b49\u5f85\u800c\u7522\u751f\u6b7b\u9396\u3002<\/li>\n<li><strong>\u8907\u96dc\u7684\u4e8b\u52d9\u908f\u8f2f\uff1a<\/strong>\u5728\u8907\u96dc\u7684\u696d\u52d9\u908f\u8f2f\u4e2d\uff0c\u53ef\u80fd\u6703\u4e0d\u7d93\u610f\u5730\u5c0e\u81f4\u591a\u500b\u4e8b\u52d9\u76f8\u4e92\u4f9d\u8cf4\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9%e6%ad%bb%e9%8e%96%e5%95%8f%e9%a1%8c-ePgJURoftq\">\u5982\u4f55\u4fee\u5fa9\u6b7b\u9396\u554f\u984c<\/h2>\n<p>\u4fee\u5fa9\u6b7b\u9396\u554f\u984c\u7684\u7b2c\u4e00\u6b65\u662f\u8b58\u5225\u548c\u5206\u6790\u5c0e\u81f4\u6b7b\u9396\u7684\u4e8b\u52d9\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u89e3\u6c7a\u65b9\u6848\uff1a<\/p>\n<h3 id=\"1-%e5%84%aa%e5%8c%96%e9%8e%96%e5%ae%9a%e9%a0%86%e5%ba%8f-ePgJURoftq\">1. \u512a\u5316\u9396\u5b9a\u9806\u5e8f<\/h3>\n<p>\u78ba\u4fdd\u6240\u6709\u4e8b\u52d9\u4ee5\u76f8\u540c\u7684\u9806\u5e8f\u8acb\u6c42\u9396\uff0c\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u6b7b\u9396\u7684\u53ef\u80fd\u6027\u3002\u4f8b\u5982\uff0c\u5982\u679c\u4e8b\u52d9 A \u548c\u4e8b\u52d9 B \u90fd\u9700\u8981\u9396\u5b9a\u8cc7\u6e90 X \u548c Y\uff0c\u5247\u61c9\u8a72\u59cb\u7d42\u5148\u9396\u5b9a X \u518d\u9396\u5b9a Y\u3002<\/p>\n<h3 id=\"2-%e6%b8%9b%e5%b0%91%e9%8e%96%e6%8c%81%e6%9c%89%e6%99%82%e9%96%93-ePgJURoftq\">2. \u6e1b\u5c11\u9396\u6301\u6709\u6642\u9593<\/h3>\n<p>\u76e1\u91cf\u6e1b\u5c11\u4e8b\u52d9\u57f7\u884c\u7684\u6642\u9593\uff0c\u7279\u5225\u662f\u5728\u6301\u6709\u9396\u7684\u60c5\u6cc1\u4e0b\u3002\u53ef\u4ee5\u901a\u904e\u5c07\u9577\u6642\u9593\u7684\u64cd\u4f5c\u5206\u89e3\u70ba\u591a\u500b\u5c0f\u4e8b\u52d9\u4f86\u5be6\u73fe\u3002<\/p>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8%e9%81%a9%e7%95%b6%e7%9a%84%e9%9a%94%e9%9b%a2%e7%b4%9a%e5%88%a5-ePgJURoftq\">3. \u4f7f\u7528\u9069\u7576\u7684\u9694\u96e2\u7d1a\u5225<\/h3>\n<p>\u6839\u64da\u696d\u52d9\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u4e8b\u52d9\u9694\u96e2\u7d1a\u5225\u3002\u8f03\u4f4e\u7684\u9694\u96e2\u7d1a\u5225\uff08\u5982 READ COMMITTED\uff09\u53ef\u4ee5\u6e1b\u5c11\u9396\u7684\u7af6\u722d\u3002<\/p>\n<h3 id=\"4-%e7%9b%a3%e6%8e%a7%e5%92%8c%e6%97%a5%e8%aa%8c%e8%a8%98%e9%8c%84-ePgJURoftq\">4. \u76e3\u63a7\u548c\u65e5\u8a8c\u8a18\u9304<\/h3>\n<p>\u555f\u7528 PostgreSQL \u7684\u6b7b\u9396\u65e5\u8a8c\u529f\u80fd\uff0c\u9019\u6a23\u53ef\u4ee5\u5728\u767c\u751f\u6b7b\u9396\u6642\u7372\u53d6\u8a73\u7d30\u7684\u65e5\u8a8c\u4fe1\u606f\uff0c\u5e6b\u52a9\u5206\u6790\u554f\u984c\u3002<\/p>\n<pre><code>SET log_lock_waits = ON;\nSET deadlock_timeout = '1s';<\/code><\/pre>\n<h2 id=\"%e9%81%a0%e7%a8%8b%e8%99%95%e7%90%86%e6%ad%bb%e9%8e%96%e5%95%8f%e9%a1%8c-ePgJURoftq\">\u9060\u7a0b\u8655\u7406\u6b7b\u9396\u554f\u984c<\/h2>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u6b7b\u9396\u554f\u984c\u53ef\u80fd\u9700\u8981\u9060\u7a0b\u8655\u7406\u3002\u9019\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u65b9\u5f0f\u5be6\u73fe\uff1a<\/p>\n<ul>\n<li><strong>\u4f7f\u7528\u76e3\u63a7\u5de5\u5177\uff1a<\/strong>\u5229\u7528\u76e3\u63a7\u5de5\u5177\uff08\u5982 pgAdmin \u6216\u5176\u4ed6\u7b2c\u4e09\u65b9\u5de5\u5177\uff09\u4f86\u5be6\u6642\u76e3\u63a7\u6578\u64da\u5eab\u7684\u72c0\u614b\uff0c\u53ca\u6642\u767c\u73fe\u6b7b\u9396\u60c5\u6cc1\u3002<\/li>\n<li><strong>\u9060\u7a0b\u57f7\u884c SQL \u67e5\u8a62\uff1a<\/strong>\u5728\u767c\u73fe\u6b7b\u9396\u5f8c\uff0c\u53ef\u4ee5\u901a\u904e\u9060\u7a0b\u57f7\u884c SQL \u67e5\u8a62\u4f86\u7d42\u6b62\u67d0\u500b\u4e8b\u52d9\uff0c\u5f9e\u800c\u89e3\u6c7a\u6b7b\u9396\u554f\u984c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-ePgJURoftq\">\u7e3d\u7d50<\/h2>\n<p>PostgreSQL \u4e2d\u7684\u300c<code>40P01<\/code>: 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40P01\u6b7b\u9396\u53ca42000\u8a9e\u6cd5\u932f\u8aa4\uff0c\u63d0\u4f9b\u6545\u969c\u4fee\u5fa9\u548c\u9060\u7a0b\u8655\u7406\u65b9\u6848\uff0c\u78ba\u4fdd\u6578\u64da\u5eab\u7a69\u5b9a\u904b\u884c\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-96816","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96816","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=96816"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96816\/revisions"}],"predecessor-version":[{"id":96817,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96816\/revisions\/96817"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=96816"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=96816"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=96816"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}