如何删除 VSTS DacpacTask 中的列？

Question

我在 VSTS 中有一个构建步骤，它生成一个 .dacpac 文件，我将其传递给发布定义，然后使用 Execute Azure SQL:DacpacTask 更新数据库。当我尝试删除列时，这是 DacpacTask 的输出：

2016-10-26T18:12:01.3300540Z ##[section]Starting: Execute Azure SQL : DacpacTask
2016-10-26T18:12:01.3674946Z ==============================================================================
2016-10-26T18:12:01.3674946Z Task         : Azure SQL Database Deployment
2016-10-26T18:12:01.3674946Z Description  : Deploy Azure SQL DB using DACPAC or run scripts using SQLCMD
2016-10-26T18:12:01.3674946Z Version      : 1.1.2
2016-10-26T18:12:01.3674946Z Author       : Microsoft Corporation
2016-10-26T18:12:01.3674946Z Help         : [More Information](https://aka.ms/sqlazuredeployreadme)
2016-10-26T18:12:01.3674946Z ==============================================================================
2016-10-26T18:12:04.8304591Z packageFile= C:\a\r1\a\MyProject\Database\Database.dacpac
2016-10-26T18:12:07.4389560Z Publishing to database 'MyDB' on server 'mydatabase.database.windows.net'.
2016-10-26T18:12:08.3318189Z Initializing deployment (Start)
2016-10-26T18:12:25.4560124Z *** The column [dbo].[Foo].[Bar] is being dropped, data loss could occur.
2016-10-26T18:12:26.2098293Z Initializing deployment (Complete)
2016-10-26T18:12:26.2098293Z Analyzing deployment plan (Start)
2016-10-26T18:12:26.2098293Z Analyzing deployment plan (Complete)
2016-10-26T18:12:26.2098293Z Updating database (Start)
2016-10-26T18:12:29.5605253Z An error occurred while the batch was being executed.
2016-10-26T18:12:29.5675257Z Updating database (Failed)
2016-10-26T18:12:30.4919483Z 
2016-10-26T18:12:30.6439495Z ##[error]

SerializedRemoteException      : 
SerializedRemoteInvocationInfo : 
ErrorRecord                    : *** Could not deploy package.
StackTrace                     :    at System.Management.Automation.Interpreter.ThrowInstruction.Run(InterpretedFrame 
                                 frame)
                                    at System.Management.Automation.Interpreter.EnterTryCatchFinallyInstruction.Run(Int
                                 erpretedFrame frame)
WasThrownFromThrowStatement    : True
Message                        : *** Could not deploy package.
Data                           : {System.Management.Automation.Interpreter.InterpretedFrameInfo}
InnerException                 : 
TargetSite                     : Void CheckActionPreference(System.Management.Automation.Language.FunctionContext, 
                                 System.Exception)
HelpLink                       : 
Source                         : System.Management.Automation
HResult                        : -2146233087

2016-10-26T18:12:30.6629481Z ##[section]Finishing: Execute Azure SQL : DacpacTask

我在那个构建中包含了一些其他的数据库更改，但是当我恢复删除列的提交时，发布成功了。

我还验证了即使 Bar 列中只有 NULL 也会出现同样的问题。

（显然我可以使用 SSMS 手动删除该列，但拥有 CI/CD 系统的目的是自动执行所有操作，因此我不必这样做。）

如何使用 VSTS DacpacTask 删除列？

Answer 1

您需要在执行 Azure SQL 的附加 SqlPackage.exe 参数中将 BlockOnPossibleDataLoss 参数指定为 false：DacpacTask 构建步骤。

如何删除 VSTS DacpacTask 中的列？

How can I delete a column in a VSTS DacpacTask?

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