Run U-SQL Script from C# code with Azure Data Factory

问题

I am trying to Run an U-SQL script on Azure by C# code. Everything is created on azure (ADF, linkedservices, pipelines, data sets) after code gets executed but U-SQl script is not executed by ADF. I think there is an issue with startTime and end Time configured in pipeline code.

I followed following article to complete this console application. Create, monitor, and manage Azure data factories using Data Factory .NET SDK

Here is the URL of my complete C# code project for download. https://1drv.ms/u/s!AltdTyVEmoG2ijOupx-EjCM-8Zk4

Someone please help me to find out my mistake

C# code to configure pipeline:

DateTime PipelineActivePeriodStartTime = new DateTime(2017, 1, 12, 0, 0, 0, 0, DateTimeKind.Utc); DateTime PipelineActivePeriodEndTime = PipelineActivePeriodStartTime.AddMinutes(60); string PipelineName = "ComputeEventsByRegionPipeline";

        var usqlparams = new Dictionary<string, string>();
        usqlparams.Add("in", "/Samples/Data/SearchLog.tsv");
        usqlparams.Add("out", "/Output/testdemo1.tsv");

        client.Pipelines.CreateOrUpdate(resourceGroupName, dataFactoryName,
        new PipelineCreateOrUpdateParameters()
        {
            Pipeline = new Pipeline()
            {
                Name = PipelineName,
                Properties = new PipelineProperties()
                {
                    Description = "This is a demo pipe line.",

                    // Initial value for pipeline's active period. With this, you won't need to set slice status
                    Start = PipelineActivePeriodStartTime,
                    End = PipelineActivePeriodEndTime,
                    IsPaused = false,

                    Activities = new List<Activity>()
                    {
                        new Activity()
                        {
                            TypeProperties = new DataLakeAnalyticsUSQLActivity("@searchlog = EXTRACT UserId int, Start DateTime, Region string, Query string, Duration int?, Urls string, ClickedUrls string FROM @in USING Extractors.Tsv(nullEscape:\"#NULL#\"); @rs1 = SELECT Start, Region, Duration FROM @searchlog; OUTPUT @rs1 TO @out USING Outputters.Tsv(quoting:false);")
                            {
                                DegreeOfParallelism = 3,
                                Priority = 100,
                                Parameters = usqlparams
                            },
                            Inputs = new List<ActivityInput>()
                            {
                                new ActivityInput(Dataset_Source)
                            },
                            Outputs = new List<ActivityOutput>()
                            {
                                new ActivityOutput(Dataset_Destination)
                            },
                            Policy = new ActivityPolicy()
                            {
                                Timeout = new TimeSpan(6,0,0),
                                Concurrency = 1,
                                ExecutionPriorityOrder = ExecutionPriorityOrder.NewestFirst,
                                Retry = 1
                            },
                            Scheduler = new Scheduler()
                            {
                                Frequency = "Day",
                                Interval = 1
                            },
                            Name = "EventsByRegion",
                            LinkedServiceName = "AzureDataLakeAnalyticsLinkedService"
                        }
                    }
                }
            }
        });

I just noticed something in azure data factory view (Monitor and Manage option). The status of Pipeline is Waiting : DatasetDependencies. Do I need to modify something in code for this?

回答1:

If you don't have another activity that is creating your source dataset, you need to add to it the attribute

"external": true

https://docs.microsoft.com/en-us/azure/data-factory/data-factory-faq

https://docs.microsoft.com/en-us/azure/data-factory/data-factory-create-datasets

来源：https://stackoverflow.com/questions/41676843/run-u-sql-script-from-c-sharp-code-with-azure-data-factory