{"id":20374,"date":"2024-01-02T05:07:19","date_gmt":"2024-01-02T05:07:19","guid":{"rendered":"https:\/\/server.hk\/blog\/20374\/"},"modified":"2024-11-14T10:39:35","modified_gmt":"2024-11-14T02:39:35","slug":"postgresql-command-commit","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/20374\/","title":{"rendered":"PostgreSQL \u6307\u4ee4\uff1aCOMMIT"},"content":{"rendered":"<h1 id=\"postgresql-command-commit-IwkrlIVtYB\">PostgreSQL \u6307\u4ee4\uff1aCOMMIT<\/h1>\n<p>PostgreSQL \u662f\u4e00\u500b\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\uff0c\u4e00\u500b\u91cd\u8981\u7684\u6307\u4ee4\u662f COMMIT\uff0c\u7528\u65bc\u6c38\u4e45\u4fdd\u5b58\u5728\u4ea4\u6613\u4e2d\u6240\u505a\u7684\u66f4\u6539\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u5011\u5c07\u6df1\u5165\u63a2\u8a0e COMMIT \u6307\u4ee4\uff0c\u4e26\u4e86\u89e3\u5176\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\u7684\u91cd\u8981\u6027\u3002<\/p>\n<h2 id=\"understanding-transactions-IwkrlIVtYB\">\u7406\u89e3\u4ea4\u6613<\/h2>\n<p>\u5728 PostgreSQL \u4e2d\uff0c\u4ea4\u6613\u662f\u4e00\u7cfb\u5217\u88ab\u8996\u70ba\u4e00\u500b\u5de5\u4f5c\u55ae\u5143\u7684\u6578\u64da\u5eab\u64cd\u4f5c\u3002\u4ea4\u6613\u78ba\u4fdd\u5176\u5167\u90e8\u7684\u6240\u6709\u64cd\u4f5c\u8981\u9ebc\u6210\u529f\u5b8c\u6210\uff0c\u8981\u9ebc\u5728\u51fa\u73fe\u932f\u8aa4\u6642\u88ab\u56de\u6efe\u3002\u9019\u7a2e\u539f\u5b50\u6027\u5c6c\u6027\u6709\u52a9\u65bc\u7dad\u8b77\u6578\u64da\u7684\u5b8c\u6574\u6027\u548c\u4e00\u81f4\u6027\u3002<\/p>\n<p>\u7576\u4ea4\u6613\u555f\u52d5\u6642\uff0cPostgreSQL \u958b\u59cb\u8a18\u9304\u5c0d\u6578\u64da\u5eab\u6240\u505a\u7684\u6240\u6709\u66f4\u6539\u3002\u7136\u800c\uff0c\u9019\u4e9b\u66f4\u6539\u5728\u4ea4\u6613\u672a\u63d0\u4ea4\u4e4b\u524d\u5c0d\u5176\u4ed6\u7528\u6236\u6216\u61c9\u7528\u7a0b\u5e8f\u662f\u4e0d\u53ef\u898b\u7684\u3002<\/p>\n<h2 id=\"the-commit-command-IwkrlIVtYB\">COMMIT \u6307\u4ee4<\/h2>\n<p>COMMIT \u6307\u4ee4\u7528\u65bc\u6c38\u4e45\u4fdd\u5b58\u5728\u4ea4\u6613\u4e2d\u6240\u4f5c\u7684\u66f4\u6539\u3002\u4e00\u65e6\u57f7\u884c COMMIT \u6307\u4ee4\uff0c\u4ea4\u6613\u5167\u7684\u6240\u6709\u4fee\u6539\u90fd\u6703\u8b8a\u70ba\u6c38\u4e45\u6027\uff0c\u4e26\u5c0d\u5176\u4ed6\u7528\u6236\u6216\u61c9\u7528\u7a0b\u5e8f\u53ef\u898b\u3002<\/p>\n<p>COMMIT \u6307\u4ee4\u7684\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>COMMIT;<\/code><\/pre>\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cCOMMIT \u6307\u4ee4\u53ea\u80fd\u5728\u4ea4\u6613\u5167\u4f7f\u7528\u3002\u5982\u679c\u5728\u672a\u555f\u52d5\u4ea4\u6613\u7684\u60c5\u6cc1\u4e0b\u57f7\u884c COMMIT \u6307\u4ee4\uff0cPostgreSQL \u5c07\u5f15\u767c\u932f\u8aa4\u3002<\/p>\n<h2 id=\"example-IwkrlIVtYB\">\u793a\u4f8b<\/h2>\n<p>\u8b93\u6211\u5011\u8209\u500b\u4f8b\u5b50\u4f86\u7406\u89e3 COMMIT \u6307\u4ee4\u7684\u904b\u4f5c\uff1a<\/p>\n<pre><code>START TRANSACTION;\r\nUPDATE employees SET salary = salary + 1000 WHERE department = 'Sales';\r\nCOMMIT;<\/code><\/pre>\n<p>\u5728\u6b64\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u4f7f\u7528 START TRANSACTION \u6307\u4ee4\u958b\u59cb\u4e00\u500b\u4ea4\u6613\u3002\u7136\u5f8c\uff0c\u6211\u5011\u5c07\u6240\u6709 &#8216;Sales&#8217; \u90e8\u9580\u54e1\u5de5\u7684\u85aa\u6c34\u589e\u52a0 $1000\u3002\u6700\u5f8c\uff0c\u6211\u5011\u4f7f\u7528 COMMIT \u6307\u4ee4\u63d0\u4ea4\u8a72\u4ea4\u6613\u3002<\/p>\n<p>\u4e00\u65e6\u57f7\u884c COMMIT \u6307\u4ee4\uff0c\u5c0d\u85aa\u6c34\u5217\u6240\u505a\u7684\u66f4\u6539\u5c07\u6c38\u4e45\u4fdd\u5b58\u5728\u6578\u64da\u5eab\u4e2d\u3002\u5176\u4ed6\u7528\u6236\u6216\u61c9\u7528\u7a0b\u5e8f\u73fe\u5728\u53ef\u4ee5\u770b\u5230\u66f4\u65b0\u5f8c\u7684\u85aa\u6c34\u3002<\/p>\n<h2 id=\"conclusion-IwkrlIVtYB\">\u7d50\u8ad6<\/h2>\n<p>PostgreSQL \u4e2d\u7684 COMMIT \u6307\u4ee4\u5728\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u548c\u5b8c\u6574\u6027\u65b9\u9762\u8d77\u8457\u81f3\u95dc\u91cd\u8981\u7684\u4f5c\u7528\u3002\u5b83\u5141\u8a31\u60a8\u6c38\u4e45\u4fdd\u5b58\u5728\u4ea4\u6613\u4e2d\u6240\u505a\u7684\u66f4\u6539\uff0c\u4e26\u4f7f\u5176\u5c0d\u5176\u4ed6\u7528\u6236\u6216\u61c9\u7528\u7a0b\u5e8f\u53ef\u898b\u3002\u4e86\u89e3\u5982\u4f55\u4f7f\u7528 COMMIT \u6307\u4ee4\u5c0d\u65bc\u6709\u6548\u7684 PostgreSQL \u6578\u64da\u5eab\u7ba1\u7406\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<h2 id=\"summary-IwkrlIVtYB\">\u7e3d\u7d50<\/h2>\n<p>\u7e3d\u800c\u8a00\u4e4b\uff0cPostgreSQL \u4e2d\u7684 COMMIT \u6307\u4ee4\u7528\u65bc\u6c38\u4e45\u4fdd\u5b58\u5728\u4ea4\u6613\u4e2d\u6240\u505a\u7684\u66f4\u6539\u3002\u5b83\u901a\u904e\u4f7f\u4fee\u6539\u5c0d\u5176\u4ed6\u7528\u6236\u6216\u61c9\u7528\u7a0b\u5e8f\u53ef\u898b\u4f86\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u548c\u5b8c\u6574\u6027\u3002\u8981\u4e86\u89e3\u66f4\u591a\u6709\u95dc PostgreSQL \u53ca\u5176\u529f\u80fd\u7684\u4fe1\u606f\uff0c\u60a8\u53ef\u4ee5\u8003\u616e\u63a2\u7d22 <a href=\"https:\/\/server.hk\">Server.HK<\/a>\uff0c\u9019\u662f\u4e00\u5bb6\u9818\u5148\u7684 VPS \u8a17\u7ba1\u516c\u53f8\uff0c\u63d0\u4f9b\u53ef\u9760\u548c\u9ad8\u6548\u7684\u8a17\u7ba1\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>PostgreSQL \u6307\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-20374","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/20374","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=20374"}],"version-history":[{"count":2,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/20374\/revisions"}],"predecessor-version":[{"id":24377,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/20374\/revisions\/24377"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=20374"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=20374"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=20374"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}