{"id":20651,"date":"2024-01-02T05:21:19","date_gmt":"2024-01-02T05:21:19","guid":{"rendered":"https:\/\/server.hk\/blog\/20651\/"},"modified":"2024-11-14T10:39:19","modified_gmt":"2024-11-14T02:39:19","slug":"postgresql-command-commit-prepared","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/20651\/","title":{"rendered":"PostgreSQL \u547d\u4ee4\uff1aCOMMIT PREPARED"},"content":{"rendered":"<h1 id=\"postgresql-command-commit-prepared-wYtVdemRvu\">PostgreSQL \u547d\u4ee4\uff1aCOMMIT PREPARED<\/h1>\n<p>PostgreSQL \u662f\u4e00\u6b3e\u529f\u80fd\u5f37\u5927\u7684\u958b\u6e90\u95dc\u806f\u5f0f\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u5ee3\u6cdb\u7684\u529f\u80fd\u548c\u7279\u6027\u3002\u5728 PostgreSQL \u4e2d\uff0cCOMMIT PREPARED \u662f\u4e00\u500b\u91cd\u8981\u7684\u547d\u4ee4\uff0c\u5141\u8a31\u7528\u6236\u63d0\u4ea4\u5df2\u6e96\u5099\u7684\u4ea4\u6613\u3002\u672c\u6587\u5c07\u63a2\u8a0e COMMIT PREPARED \u547d\u4ee4\u7684\u8a73\u7d30\u5167\u5bb9\u53ca\u5176\u5728 PostgreSQL \u4e2d\u7684\u91cd\u8981\u6027\u3002<\/p>\n<h2 id=\"understanding-prepared-transactions-wYtVdemRvu\">\u7406\u89e3\u5df2\u6e96\u5099\u7684\u4ea4\u6613<\/h2>\n<p>\u5728 PostgreSQL \u4e2d\uff0c\u5df2\u6e96\u5099\u7684\u4ea4\u6613\u6307\u7684\u662f\u70ba\u5169\u968e\u6bb5\u63d0\u4ea4\u800c\u6e96\u5099\u7684\u4ea4\u6613\u3002\u5169\u968e\u6bb5\u63d0\u4ea4\u662f\u4e00\u7a2e\u5354\u8b70\uff0c\u78ba\u4fdd\u8de8\u591a\u500b\u6578\u64da\u5eab\u6216\u8cc7\u6e90\u7684\u5206\u4f48\u5f0f\u4ea4\u6613\u5177\u5099\u539f\u5b50\u6027\u548c\u4e00\u81f4\u6027\u3002<\/p>\n<p>\u7576\u4e00\u500b\u4ea4\u6613\u88ab\u6e96\u5099\u6642\uff0c\u9019\u610f\u5473\u8457\u5728\u8a72\u4ea4\u6613\u4e2d\u6240\u505a\u7684\u66f4\u6539\u5c1a\u672a\u6c38\u4e45\u751f\u6548\u3002\u8a72\u4ea4\u6613\u8655\u65bc\u53ef\u4ee5\u7a0d\u5f8c\u63d0\u4ea4\u6216\u56de\u6efe\u7684\u72c0\u614b\u3002\u5df2\u6e96\u5099\u7684\u4ea4\u6613\u5728\u9700\u8981\u5354\u8abf\u591a\u500b\u6578\u64da\u5eab\u6216\u8cc7\u6e90\u4ee5\u78ba\u4fdd\u6578\u64da\u5b8c\u6574\u6027\u7684\u60c5\u5883\u4e2d\u5c24\u5176\u6709\u7528\u3002<\/p>\n<h2 id=\"the-commit-prepared-command-wYtVdemRvu\">COMMIT PREPARED \u547d\u4ee4<\/h2>\n<p>PostgreSQL \u4e2d\u7684 COMMIT PREPARED \u547d\u4ee4\u7528\u65bc\u63d0\u4ea4\u5df2\u6e96\u5099\u7684\u4ea4\u6613\u3002\u5b83\u6a19\u8a18\u5df2\u6e96\u5099\u7684\u4ea4\u6613\u70ba\u5b8c\u6210\uff0c\u4e26\u4f7f\u66f4\u6539\u6c38\u4e45\u751f\u6548\u3002COMMIT PREPARED \u547d\u4ee4\u7684\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>COMMIT PREPARED 'transaction_id';\r\n<\/code><\/pre>\n<p>\u6b64\u8655\uff0c&#8217;transaction_id&#8217; \u6307\u7684\u662f\u9700\u8981\u63d0\u4ea4\u7684\u5df2\u6e96\u5099\u4ea4\u6613\u7684\u6a19\u8b58\u7b26\u3002<\/p>\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cCOMMIT PREPARED \u547d\u4ee4\u50c5\u53ef\u7528\u65bc\u5df2\u6e96\u5099\u7684\u4ea4\u6613\u3002\u5982\u679c\u60a8\u5617\u8a66\u7528\u5b83\u4f86\u8655\u7406\u666e\u901a\u4ea4\u6613\uff0c\u5247\u5c07\u6703\u767c\u751f\u932f\u8aa4\u3002<\/p>\n<h2 id=\"example-usage-wYtVdemRvu\">\u793a\u4f8b\u4f7f\u7528<\/h2>\n<p>\u8b93\u6211\u5011\u4ee5\u4e00\u500b\u4f8b\u5b50\u4f86\u7406\u89e3 COMMIT PREPARED \u547d\u4ee4\u7684\u4f7f\u7528\uff1a<\/p>\n<pre><code>PREPARE TRANSACTION 'my_transaction';\r\n<\/code><\/pre>\n<p>\u5728\u6b64\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u6e96\u5099\u4e86\u4e00\u500b\u6a19\u8b58\u7b26\u70ba &#8216;my_transaction&#8217; \u7684\u4ea4\u6613\u3002<\/p>\n<pre><code>COMMIT PREPARED 'my_transaction';\r\n<\/code><\/pre>\n<p>\u5728\u6e96\u5099\u4ea4\u6613\u4e4b\u5f8c\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528 COMMIT PREPARED \u547d\u4ee4\u4f86\u63d0\u4ea4\u5b83\u3002\u4e00\u65e6\u57f7\u884c\u8a72\u547d\u4ee4\uff0c\u5728\u5df2\u6e96\u5099\u4ea4\u6613\u4e2d\u6240\u505a\u7684\u66f4\u6539\u5c07\u6210\u70ba\u6c38\u4e45\u6027\u7684\u3002<\/p>\n<h2 id=\"summary-wYtVdemRvu\">\u6458\u8981<\/h2>\n<p>PostgreSQL \u4e2d\u7684 COMMIT PREPARED \u547d\u4ee4\u662f\u7ba1\u7406\u5df2\u6e96\u5099\u4ea4\u6613\u7684\u4e00\u500b\u91cd\u8981\u547d\u4ee4\u3002\u5b83\u5141\u8a31\u7528\u6236\u63d0\u4ea4\u5df2\u6e96\u5099\u7684\u4ea4\u6613\u4e26\u4f7f\u66f4\u6539\u6c38\u4e45\u751f\u6548\u3002\u5df2\u6e96\u5099\u7684\u4ea4\u6613\u5c0d\u65bc\u5354\u8abf\u591a\u500b\u6578\u64da\u5eab\u6216\u8cc7\u6e90\u9593\u7684\u5206\u4f48\u5f0f\u4ea4\u6613\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6709\u8208\u8da3\u4e86\u89e3\u66f4\u591a\u6709\u95dc PostgreSQL \u53ca\u5176\u529f\u80fd\u7684\u4fe1\u606f\uff0c\u8acb\u8003\u616e\u63a2\u7d22 <a href=\"https:\/\/server.hk\">Server.HK<\/a>\u3002Server.HK \u662f\u4e00\u5bb6\u9818\u5148\u7684 VPS \u8a17\u7ba1\u516c\u53f8\uff0c\u63d0\u4f9b\u53ef\u9760\u4e14\u9ad8\u6548\u7684\u8a17\u7ba1\u89e3\u6c7a\u65b9\u6848\u3002\u6191\u85c9\u5176\u5728 PostgreSQL \u548c\u5176\u4ed6\u6280\u8853\u65b9\u9762\u7684\u5c08\u696d\u77e5\u8b58\uff0c\u4ed6\u5011\u80fd\u5920\u70ba\u60a8\u63d0\u4f9b\u6700\u4f73\u7684\u8a17\u7ba1\u9ad4\u9a57\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>PostgreSQL \u547d\u4ee4\uff1aCO&#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":[4924],"tags":[],"class_list":["post-20651","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/20651","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=20651"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/20651\/revisions"}],"predecessor-version":[{"id":24361,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/20651\/revisions\/24361"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=20651"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=20651"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=20651"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}