{"id":20375,"date":"2024-01-02T05:08:22","date_gmt":"2024-01-02T05:08:22","guid":{"rendered":"https:\/\/server.hk\/blog\/20375\/"},"modified":"2024-11-14T10:39:34","modified_gmt":"2024-11-14T02:39:34","slug":"postgresql-command-rollback","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/20375\/","title":{"rendered":"PostgreSQL \u6307\u4ee4\uff1aROLLBACK"},"content":{"rendered":"

PostgreSQL \u6307\u4ee4\uff1aROLLBACK<\/h1>\n

PostgreSQL \u662f\u4e00\u500b\u529f\u80fd\u5f37\u5927\u7684\u958b\u6e90\u95dc\u806f\u8cc7\u6599\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u63d0\u4f9b\u5ee3\u6cdb\u7684\u529f\u80fd\u548c\u6307\u4ee4\u4f86\u7ba1\u7406\u548c\u64cd\u4f5c\u6578\u64da\u3002\u5728 PostgreSQL \u4e2d\uff0c\u4e00\u500b\u91cd\u8981\u7684\u6307\u4ee4\u662f ROLLBACK<\/code>\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u5011\u5c07\u63a2\u8a0e ROLLBACK<\/code> \u6307\u4ee4\u7684\u529f\u80fd\u53ca\u5176\u5728\u5404\u7a2e\u60c5\u5883\u4e2d\u7684\u4f7f\u7528\u65b9\u5f0f\u3002<\/p>\n

\u7406\u89e3 ROLLBACK<\/h2>\n

PostgreSQL \u4e2d\u7684 ROLLBACK<\/code> \u6307\u4ee4\u7528\u65bc\u64a4\u92b7\u6216\u53d6\u6d88\u4e00\u500b\u4ea4\u6613\u7684\u5f71\u97ff\u3002\u4ea4\u6613\u662f\u4e00\u7cfb\u5217\u4f5c\u70ba\u55ae\u4e00\u55ae\u4f4d\u57f7\u884c\u7684 SQL \u8a9e\u53e5\u3002\u5b83\u5141\u8a31\u60a8\u5728\u8cc7\u6599\u5eab\u4e0a\u57f7\u884c\u591a\u500b\u64cd\u4f5c\uff0c\u4e26\u78ba\u4fdd\u6240\u6709\u64cd\u4f5c\u8981\u9ebc\u6210\u529f\u5b8c\u6210\uff0c\u8981\u9ebc\u90fd\u4e0d\u6703\u61c9\u7528\u3002<\/p>\n

\u7576\u4ea4\u6613\u555f\u52d5\u6642\uff0cPostgreSQL \u6703\u8ffd\u8e64\u5728\u8a72\u4ea4\u6613\u671f\u9593\u5c0d\u8cc7\u6599\u5eab\u6240\u505a\u7684\u6240\u6709\u66f4\u6539\u3002\u9019\u4e9b\u66f4\u6539\u6703\u5b58\u5132\u5728\u4e00\u500b\u540d\u70ba\u300c\u4ea4\u6613\u65e5\u8a8c\u300d\u6216\u300c\u64a4\u92b7\u65e5\u8a8c\u300d\u7684\u81e8\u6642\u5340\u57df\u4e2d\u3002\u5982\u679c\u5728\u4ea4\u6613\u671f\u9593\u767c\u751f\u4efb\u4f55\u932f\u8aa4\uff0c\u6216\u8005\u60a8\u660e\u78ba\u767c\u51fa ROLLBACK<\/code> \u6307\u4ee4\uff0cPostgreSQL \u5c07\u4f7f\u7528\u4ea4\u6613\u65e5\u8a8c\u4e2d\u7684\u4fe1\u606f\u4f86\u6062\u5fa9\u4ea4\u6613\u6240\u505a\u7684\u6240\u6709\u66f4\u6539\u3002<\/p>\n

\u4f7f\u7528 ROLLBACK<\/h2>\n

ROLLBACK<\/code> \u6307\u4ee4\u53ef\u4ee5\u5728\u4e0d\u540c\u7684\u60c5\u5883\u4e2d\u4f7f\u7528\uff0c\u4ee5\u64a4\u92b7\u4ea4\u6613\u6240\u505a\u7684\u66f4\u6539\u3002\u8b93\u6211\u5011\u63a2\u8a0e\u5e7e\u500b\u5e38\u898b\u7684\u4f7f\u7528\u6848\u4f8b\uff1a<\/p>\n

1. \u64a4\u92b7\u5931\u6557\u7684\u4ea4\u6613<\/h3>\n

\u7576\u4e00\u500b\u4ea4\u6613\u9047\u5230\u932f\u8aa4\u6642\uff0cPostgreSQL \u6703\u81ea\u52d5\u64a4\u92b7\u8a72\u4ea4\u6613\u3002\u7136\u800c\uff0c\u6709\u6642\u60a8\u53ef\u80fd\u5e0c\u671b\u624b\u52d5\u64a4\u92b7\u9047\u5230\u932f\u8aa4\u7684\u4ea4\u6613\u3002\u5728\u9019\u7a2e\u60c5\u6cc1\u4e0b\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528 ROLLBACK<\/code> \u6307\u4ee4\u4f86\u64a4\u92b7\u4ea4\u6613\u6240\u505a\u7684\u66f4\u6539\uff0c\u4e26\u5c07\u8cc7\u6599\u5eab\u6062\u5fa9\u5230\u4e4b\u524d\u7684\u72c0\u614b\u3002<\/p>\n

ROLLBACK;\r\n<\/code><\/pre>\n
2. \u53d6\u6d88\u4e0d\u5fc5\u8981\u7684\u66f4\u6539<\/h3>\n
\u6709\u6642\uff0c\u60a8\u53ef\u80fd\u6703\u610f\u8b58\u5230\u4ea4\u6613\u6240\u505a\u7684\u66f4\u6539\u4e26\u4e0d\u662f\u60a8\u6240\u671f\u671b\u7684\u3002\u5728\u9019\u7a2e\u60c5\u6cc1\u4e0b\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528 ROLLBACK<\/code> \u6307\u4ee4\u4f86\u53d6\u6d88\u9019\u4e9b\u66f4\u6539\uff0c\u4e26\u5c07\u8cc7\u6599\u5eab\u6062\u5fa9\u5230\u4e4b\u524d\u7684\u72c0\u614b\u3002<\/p>\n
ROLLBACK;\r\n<\/code><\/pre>\n
3. \u56de\u6efe\u5230\u4fdd\u5b58\u9ede<\/h3>\n
\u4fdd\u5b58\u9ede\u5141\u8a31\u60a8\u5728\u4ea4\u6613\u5167\u5275\u5efa\u547d\u540d\u7684\u9ede\uff0c\u60a8\u53ef\u4ee5\u7a0d\u5f8c\u56de\u6efe\u5230\u9019\u4e9b\u9ede\u3002\u7576\u60a8\u5e0c\u671b\u64a4\u92b7\u4ea4\u6613\u7684\u4e00\u90e8\u5206\u800c\u4e0d\u56de\u6efe\u6574\u500b\u4ea4\u6613\u6642\uff0c\u9019\u5c07\u975e\u5e38\u6709\u7528\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528 SAVEPOINT<\/code> \u6307\u4ee4\u5275\u5efa\u4fdd\u5b58\u9ede\uff0c\u4e26\u4f7f\u7528 ROLLBACK TO SAVEPOINT<\/code> \u6307\u4ee4\u56de\u6efe\u5230\u8a72\u4fdd\u5b58\u9ede\u3002<\/p>\n
SAVEPOINT my_savepoint;\r\n-- \u57f7\u884c\u4e00\u4e9b\u64cd\u4f5c\r\nROLLBACK TO SAVEPOINT my_savepoint;\r\n<\/code><\/pre>\n
\u7d50\u8ad6<\/h2>\n
PostgreSQL \u4e2d\u7684 ROLLBACK<\/code> \u6307\u4ee4\u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u5141\u8a31\u60a8\u64a4\u92b7\u4ea4\u6613\u7684\u5f71\u97ff\u3002\u7121\u8ad6\u60a8\u9700\u8981\u53d6\u6d88\u5931\u6557\u7684\u4ea4\u6613\u3001\u6062\u5fa9\u4e0d\u5fc5\u8981\u7684\u66f4\u6539\uff0c\u9084\u662f\u56de\u6efe\u5230\u4fdd\u5b58\u9ede\uff0cROLLBACK<\/code> \u6307\u4ee4\u90fd\u63d0\u4f9b\u4e86\u9748\u6d3b\u6027\uff0c\u4ee5\u6709\u6548\u7ba1\u7406\u60a8\u7684\u8cc7\u6599\u5eab\u3002<\/p>\n
\u5982\u9700\u4e86\u89e3\u6709\u95dc PostgreSQL \u53ca\u5176\u6307\u4ee4\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u60a8\u53ef\u4ee5\u8a2a\u554f Server.HK<\/a> \u7db2\u7ad9\u3002Server.HK \u63d0\u4f9b\u53ef\u9760\u4e14\u9ad8\u6548\u80fd\u7684 VPS \u4e3b\u6a5f\u89e3\u6c7a\u65b9\u6848\uff0c\u53ef\u4ee5\u6eff\u8db3\u60a8\u7684 PostgreSQL \u8cc7\u6599\u5eab\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
PostgreSQL \u6307\u4ee4\uff1aRO...<\/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-20375","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/20375","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=20375"}],"version-history":[{"count":2,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/20375\/revisions"}],"predecessor-version":[{"id":24375,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/20375\/revisions\/24375"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=20375"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=20375"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=20375"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}