Event Handlers in Advanced SSIS Features
Syntax
Event handlers can be defined in SQL Server Integration Services (SSIS) packages using the following syntax:
[Event Name] -> [Task or Process Being Monitored] -> [Actions to Take]
Example
Suppose you have an SSIS package that contains a data flow task. You can create an event handler that fires whenever the data flow task completes successfully or fails. You can specify different actions to take depending on whether the data flow task succeeds or fails.
Output
The output of using event handlers in SSIS is that you can better manage errors and exceptions in your packages. You can customize how your package responds to different events, such as when a task completes successfully or fails.
Explanation
Event handlers in SSIS are used to handle events or errors that occur during package execution. They can be used to monitor the progress of a package, respond to specific events during package execution, or handle and log errors that occur in your package.
Use
Event handlers can be useful in a variety of scenarios, such as:
- Monitoring the progress of tasks and processes in a package
- Customizing how your package responds to errors and exceptions
- Sending alerts or notifications when specific events occur in your package
- Logging errors or messages for troubleshooting and debugging purposes
Important Points
- Event handlers can be defined for different types of events, such as OnError, OnPostExecute, OnPreExecute, and OnTaskFailed.
- Multiple event handlers can be defined for the same event or task.
- Event handlers can be used to perform actions such as sending email notifications, writing to a log file, or executing a specific task.
Summary
In summary, event handlers in SSIS are a powerful feature that allow you to customize how your package responds to different events and errors. By defining event handlers, you can monitor the progress of your package, respond to specific events, send notifications or alerts, and log errors for troubleshooting purposes.