{"id":63868,"date":"2024-10-14T03:09:15","date_gmt":"2024-10-13T19:09:15","guid":{"rendered":"https:\/\/server.hk\/cnblog\/63868\/"},"modified":"2024-10-14T03:09:15","modified_gmt":"2024-10-13T19:09:15","slug":"mongodb4-0%e6%94%af%e6%8c%81%e5%a4%9a%e6%96%87%e6%aa%94acid%e4%ba%8b%e5%8b%99%e6%84%8f%e5%91%b3%e8%91%97%e4%bb%80%e9%ba%bc%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/63868\/","title":{"rendered":"MongoDB4.0\u652f\u6301\u591a\u6587\u6a94ACID\u4e8b\u52d9\u610f\u5473\u8457\u4ec0\u9ebc\uff1f"},"content":{"rendered":"<h1 id=\"mongodb-4-0-%e6%94%af%e6%8c%81%e5%a4%9a%e6%96%87%e6%aa%94-acid-%e4%ba%8b%e5%8b%99%e6%84%8f%e5%91%b3%e8%91%97%e4%bb%80%e9%ba%bc%ef%bc%9f-aXrdzghPLo\">MongoDB 4.0 \u652f\u6301\u591a\u6587\u6a94 ACID \u4e8b\u52d9\u610f\u5473\u8457\u4ec0\u9ebc\uff1f<\/h1>\n<p>\u96a8\u8457\u6578\u64da\u5eab\u6280\u8853\u7684\u5feb\u901f\u767c\u5c55\uff0cMongoDB 4.0 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id=\"mongodb-4-0-%e7%9a%84%e5%a4%9a%e6%96%87%e6%aa%94-acid-%e4%ba%8b%e5%8b%99-aXrdzghPLo\">MongoDB 4.0 \u7684\u591a\u6587\u6a94 ACID \u4e8b\u52d9<\/h2>\n<p>\u5728 MongoDB 4.0 \u4e4b\u524d\uff0cMongoDB \u4e3b\u8981\u652f\u6301\u55ae\u6587\u6a94\u7684\u4e8b\u52d9\uff0c\u9019\u610f\u5473\u8457\u5728\u4e00\u500b\u4e8b\u52d9\u4e2d\u53ea\u80fd\u5c0d\u4e00\u500b\u6587\u6a94\u9032\u884c\u64cd\u4f5c\u3002\u9019\u5c0d\u65bc\u8a31\u591a\u61c9\u7528\u4f86\u8aaa\u662f\u500b\u9650\u5236\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u8de8\u591a\u500b\u6587\u6a94\u9032\u884c\u64cd\u4f5c\u7684\u60c5\u6cc1\u4e0b\u3002\u96a8\u8457\u591a\u6587\u6a94 ACID \u4e8b\u52d9\u7684\u5f15\u5165\uff0c\u958b\u767c\u8005\u73fe\u5728\u53ef\u4ee5\u5728\u4e00\u500b\u4e8b\u52d9\u4e2d\u5c0d\u591a\u500b\u6587\u6a94\u9032\u884c\u64cd\u4f5c\uff0c\u9019\u5927\u5927\u63d0\u9ad8\u4e86\u6578\u64da\u7684\u4e00\u81f4\u6027\u548c\u53ef\u9760\u6027\u3002<\/p>\n<h3 id=\"%e5%a4%9a%e6%96%87%e6%aa%94%e4%ba%8b%e5%8b%99%e7%9a%84%e4%bd%bf%e7%94%a8%e7%af%84%e4%be%8b-aXrdzghPLo\">\u591a\u6587\u6a94\u4e8b\u52d9\u7684\u4f7f\u7528\u7bc4\u4f8b<\/h3>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u7bc4\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u5728 MongoDB 4.0 \u4e2d\u4f7f\u7528\u591a\u6587\u6a94 ACID \u4e8b\u52d9\uff1a<\/p>\n<pre><code>const session = client.startSession();\n\nsession.startTransaction();\n\ntry {\n    const ordersCollection = client.db(\"shop\").collection(\"orders\");\n    const inventoryCollection = client.db(\"shop\").collection(\"inventory\");\n\n    await ordersCollection.insertOne({ item: \"apple\", qty: 100 }, { session });\n    await inventoryCollection.updateOne({ item: \"apple\" }, { $inc: { qty: -100 } }, { session });\n\n    await session.commitTransaction();\n} catch (error) {\n    await session.abortTransaction();\n} finally {\n    session.endSession();\n}<\/code><\/pre>\n<p>\u5728\u9019\u500b\u7bc4\u4f8b\u4e2d\uff0c\u6211\u5011\u4f7f\u7528\u4e86 MongoDB \u7684\u6703\u8a71\u4f86\u958b\u59cb\u4e00\u500b\u4e8b\u52d9\uff0c\u4e26\u5728\u5176\u4e2d\u63d2\u5165\u4e00\u500b\u8a02\u55ae\u548c\u66f4\u65b0\u5eab\u5b58\u3002\u5982\u679c\u4efb\u4f55\u64cd\u4f5c\u5931\u6557\uff0c\u5247\u6703\u56de\u6efe\u6240\u6709\u64cd\u4f5c\uff0c\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002<\/p>\n<h2 id=\"%e5%a4%9a%e6%96%87%e6%aa%94-acid-%e4%ba%8b%e5%8b%99%e7%9a%84%e5%84%aa%e5%8b%a2-aXrdzghPLo\">\u591a\u6587\u6a94 ACID \u4e8b\u52d9\u7684\u512a\u52e2<\/h2>\n<p>\u591a\u6587\u6a94 ACID \u4e8b\u52d9\u7684\u5f15\u5165\u70ba MongoDB \u5e36\u4f86\u4e86\u5e7e\u500b\u986f\u8457\u7684\u512a\u52e2\uff1a<\/p>\n<ul>\n<li><strong>\u6578\u64da\u4e00\u81f4\u6027\uff1a<\/strong>\u958b\u767c\u8005\u53ef\u4ee5\u78ba\u4fdd\u5728\u591a\u500b\u6587\u6a94\u4e4b\u9593\u7684\u64cd\u4f5c\u4fdd\u6301\u4e00\u81f4\uff0c\u9019\u5c0d\u65bc\u91d1\u878d\u3001\u96fb\u5546\u7b49\u884c\u696d\u5c24\u70ba\u91cd\u8981\u3002<\/li>\n<li><strong>\u7c21\u5316\u958b\u767c\u6d41\u7a0b\uff1a<\/strong>\u958b\u767c\u8005\u4e0d\u518d\u9700\u8981\u624b\u52d5\u8655\u7406\u6578\u64da\u7684\u4e00\u81f4\u6027\u554f\u984c\uff0c\u5f9e\u800c\u6e1b\u5c11\u4e86\u4ee3\u78bc\u7684\u8907\u96dc\u6027\u3002<\/li>\n<li><strong>\u63d0\u9ad8\u53ef\u9760\u6027\uff1a<\/strong>\u5728\u7cfb\u7d71\u6545\u969c\u6216\u932f\u8aa4\u7684\u60c5\u6cc1\u4e0b\uff0c\u6578\u64da\u7684\u5b8c\u6574\u6027\u5f97\u4ee5\u4fdd\u8b77\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-aXrdzghPLo\">\u7d50\u8ad6<\/h2>\n<p>MongoDB 4.0 \u7684\u591a\u6587\u6a94 ACID 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