{"id":21576,"date":"2024-01-02T11:46:25","date_gmt":"2024-01-02T11:46:25","guid":{"rendered":"https:\/\/server.hk\/blog\/21576\/"},"modified":"2024-11-14T10:30:29","modified_gmt":"2024-11-14T02:30:29","slug":"mongodb-glossary-transaction","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/21576\/","title":{"rendered":"MongoDB \u8a5e\u5f59\u8868 &#8211; \u4ea4\u6613"},"content":{"rendered":"<h1 id=\"mongodb-glossary-transaction-KEEslTYWbp\">MongoDB \u8a5e\u5f59\u8868 &#8211; \u4ea4\u6613<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7684\u4e16\u754c\u4e2d\uff0c\u4ea4\u6613\u5728\u78ba\u4fdd\u6578\u64da\u5b8c\u6574\u6027\u548c\u4e00\u81f4\u6027\u65b9\u9762\u626e\u6f14\u8457\u81f3\u95dc\u91cd\u8981\u7684\u89d2\u8272\u3002MongoDB \u4f5c\u70ba\u4e00\u500b\u6d41\u884c\u7684 NoSQL \u6578\u64da\u5eab\uff0c\u4e5f\u652f\u6301\u4ea4\u6613\uff0c\u70ba\u958b\u767c\u8005\u63d0\u4f9b\u5c07\u591a\u500b\u64cd\u4f5c\u4f5c\u70ba\u55ae\u4e00\u539f\u5b50\u55ae\u5143\u57f7\u884c\u7684\u80fd\u529b\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u5011\u5c07\u63a2\u8a0e MongoDB \u4e2d\u4ea4\u6613\u7684\u6982\u5ff5\u4ee5\u53ca\u5982\u4f55\u6709\u6548\u4f7f\u7528\u5b83\u5011\u3002<\/p>\n<h2 id=\"what-is-a-transaction-KEEslTYWbp\">\u4ec0\u9ebc\u662f\u4ea4\u6613\uff1f<\/h2>\n<p>\u4ea4\u6613\u662f\u4e00\u500b\u908f\u8f2f\u5de5\u4f5c\u55ae\u5143\uff0c\u7531\u591a\u500b\u6578\u64da\u5eab\u64cd\u4f5c\u7d44\u6210\u3002\u9019\u4e9b\u64cd\u4f5c\u53ef\u4ee5\u662f\u63d2\u5165\u3001\u66f4\u65b0\u6216\u522a\u9664\uff0c\u4e26\u4f5c\u70ba\u4e00\u500b\u4e0d\u53ef\u5206\u5272\u7684\u55ae\u5143\u57f7\u884c\u3002ACID\uff08\u539f\u5b50\u6027\u3001\u4e00\u81f4\u6027\u3001\u9694\u96e2\u6027\u3001\u6301\u4e45\u6027\uff09\u5c6c\u6027\u78ba\u4fdd\u4e86\u4ea4\u6613\u7684\u53ef\u9760\u6027\u4e26\u7dad\u8b77\u6578\u64da\u5b8c\u6574\u6027\u3002<\/p>\n<h2 id=\"acid-properties-KEEslTYWbp\">ACID \u5c6c\u6027<\/h2>\n<p>\u8b93\u6211\u5011\u4ed4\u7d30\u770b\u770b ACID \u5c6c\u6027\u53ca\u5176\u5982\u4f55\u61c9\u7528\u65bc MongoDB \u4ea4\u6613\uff1a<\/p>\n<ul>\n<li><strong>\u539f\u5b50\u6027\uff1a<\/strong>\u4ea4\u6613\u662f\u539f\u5b50\u6027\u7684\uff0c\u9019\u610f\u5473\u8457\u4ea4\u6613\u5167\u7684\u6240\u6709\u64cd\u4f5c\u8981\u9ebc\u6210\u529f\u5b8c\u6210\uff0c\u8981\u9ebc\u90fd\u4e0d\u5b8c\u6210\u3002\u5982\u679c\u4efb\u4f55\u64cd\u4f5c\u5931\u6557\uff0c\u6574\u500b\u4ea4\u6613\u5c07\u88ab\u56de\u6efe\uff0c\u6578\u64da\u5eab\u5c07\u4fdd\u6301\u4e0d\u8b8a\u3002<\/li>\n<li><strong>\u4e00\u81f4\u6027\uff1a<\/strong>\u4ea4\u6613\u78ba\u4fdd\u6578\u64da\u5eab\u5728\u4ea4\u6613\u524d\u5f8c\u4fdd\u6301\u4e00\u81f4\u72c0\u614b\u3002\u9019\u610f\u5473\u8457\u5728\u4ea4\u6613\u671f\u9593\uff0c\u5c0d\u6578\u64da\u5b9a\u7fa9\u7684\u4efb\u4f55\u7d04\u675f\u6216\u898f\u5247\u90fd\u4e0d\u6703\u88ab\u9055\u53cd\u3002<\/li>\n<li><strong>\u9694\u96e2\u6027\uff1a<\/strong>\u4ea4\u6613\u5f7c\u6b64\u9694\u96e2\uff0c\u9019\u610f\u5473\u8457\u4e00\u500b\u4ea4\u6613\u6240\u505a\u7684\u66f4\u6539\u5728\u63d0\u4ea4\u4e4b\u524d\u5c0d\u5176\u4ed6\u4ea4\u6613\u4e0d\u53ef\u898b\u3002\u9019\u9632\u6b62\u4e86\u885d\u7a81\u4e26\u78ba\u4fdd\u6578\u64da\u5b8c\u6574\u6027\u3002<\/li>\n<li><strong>\u6301\u4e45\u6027\uff1a<\/strong>\u4e00\u65e6\u4ea4\u6613\u88ab\u63d0\u4ea4\uff0c\u5176\u66f4\u6539\u662f\u6c38\u4e45\u6027\u7684\uff0c\u4e26\u5c07\u5728\u96a8\u5f8c\u7684\u4efb\u4f55\u6545\u969c\uff08\u5982\u505c\u96fb\u6216\u7cfb\u7d71\u5d29\u6f70\uff09\u4e2d\u5b58\u6d3b\u3002<\/li>\n<\/ul>\n<h2 id=\"using-transactions-in-mongodb-KEEslTYWbp\">\u5728 MongoDB \u4e2d\u4f7f\u7528\u4ea4\u6613<\/h2>\n<p>MongoDB \u5728 4.0 \u7248\u672c\u4e2d\u5f15\u5165\u4e86\u591a\u6587\u6a94\u4ea4\u6613\uff0c\u5141\u8a31\u958b\u767c\u8005\u5728\u591a\u500b\u6587\u6a94\u548c\u96c6\u5408\u4e4b\u9593\u57f7\u884c\u8907\u96dc\u64cd\u4f5c\u3002\u8981\u5728 MongoDB \u4e2d\u4f7f\u7528\u4ea4\u6613\uff0c\u60a8\u9700\u8981\u555f\u52d5\u4e00\u500b\u6703\u8a71\u4e26\u660e\u78ba\u5b9a\u7fa9\u4ea4\u6613\u908a\u754c\u3002<\/p>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u5728 MongoDB \u4e2d\u4f7f\u7528\u4ea4\u6613\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>session.startTransaction();\r\n\r\ntry {\r\n  const collection = session.getDatabase(\"mydb\").getCollection(\"mycollection\");\r\n\r\n  collection.insertOne({ name: \"John\" });\r\n  collection.updateOne({ name: \"John\" }, { $set: { age: 30 } });\r\n\r\n  session.commitTransaction();\r\n} catch (error) {\r\n  session.abortTransaction();\r\n  throw error;\r\n} finally {\r\n  session.endSession();\r\n}\r\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u4f7f\u7528 <code>startTransaction()<\/code> \u65b9\u6cd5\u555f\u52d5\u4e00\u500b\u4ea4\u6613\u4e26\u5b9a\u7fa9\u4e00\u500b\u6703\u8a71\u3002\u5728\u4ea4\u6613\u5167\uff0c\u6211\u5011\u57f7\u884c\u4e00\u500b\u63d2\u5165\u64cd\u4f5c\uff0c\u7136\u5f8c\u5728\u540c\u4e00\u96c6\u5408\u4e0a\u57f7\u884c\u66f4\u65b0\u64cd\u4f5c\u3002\u5982\u679c\u5728\u4ea4\u6613\u671f\u9593\u767c\u751f\u4efb\u4f55\u932f\u8aa4\uff0c\u6211\u5011\u5c07\u4f7f\u7528 <code>abortTransaction()<\/code> \u4f86\u4e2d\u6b62\u5b83\u3002\u5426\u5247\uff0c\u6211\u5011\u5c07\u4f7f\u7528 <code>commitTransaction()<\/code> \u63d0\u4ea4\u4ea4\u6613\u3002\u6700\u5f8c\uff0c\u6211\u5011\u7d50\u675f\u6703\u8a71\u3002<\/p>\n<h2 id=\"summary-KEEslTYWbp\">\u7e3d\u7d50<\/h2>\n<p>MongoDB \u4e2d\u7684\u4ea4\u6613\u70ba\u958b\u767c\u8005\u63d0\u4f9b\u4e86\u5c07\u591a\u500b\u64cd\u4f5c\u4f5c\u70ba\u55ae\u4e00\u539f\u5b50\u55ae\u5143\u57f7\u884c\u7684\u80fd\u529b\u3002\u5b83\u5011\u901a\u904e\u9075\u5faa ACID \u5c6c\u6027\u4f86\u78ba\u4fdd\u6578\u64da\u5b8c\u6574\u6027\u548c\u4e00\u81f4\u6027\u3002\u96a8\u8457 MongoDB 4.0 \u4e2d\u591a\u6587\u6a94\u4ea4\u6613\u7684\u5f15\u5165\uff0c\u958b\u767c\u8005\u73fe\u5728\u53ef\u4ee5\u5728\u591a\u500b\u6587\u6a94\u548c\u96c6\u5408\u4e4b\u9593\u57f7\u884c\u8907\u96dc\u64cd\u4f5c\u3002\u8981\u4e86\u89e3\u66f4\u591a\u6709\u95dc MongoDB \u53ca\u5176\u529f\u80fd\u7684\u4fe1\u606f\uff0c\u8acb\u8003\u616e\u63a2\u7d22 <a href=\"https:\/\/server.hk\">Server.HK<\/a>\uff0c\u9019\u662f\u4e00\u5bb6\u9818\u5148\u7684 VPS \u4e3b\u6a5f\u516c\u53f8\uff0c\u63d0\u4f9b\u53ef\u9760\u4e14\u53ef\u64f4\u5c55\u7684 MongoDB \u4e3b\u6a5f\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>MongoDB \u8a5e\u5f59\u8868 &#038;#82&#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-21576","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21576","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=21576"}],"version-history":[{"count":2,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21576\/revisions"}],"predecessor-version":[{"id":23871,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21576\/revisions\/23871"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=21576"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=21576"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=21576"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}