Deleting nodes from the job diagram - Amazon Glue
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Deleting nodes from the job diagram

When working with Visual ETL jobs, you can remove nodes from the canvas without having to re-add or restructure any nodes that are connected to the removed node.

In the example below, you can follow along by choosing ETL jobs > Visual ETL, then in Example jobs, choosing Visual ETL job to join multiple sources. Choose Create example job to create a job and follow along with the steps below.


        The screenshot shows the Example jobs panel with the Visual ETL job to join multiple sources eample job 
        selected.
To remove a node from the canvas
  1. From the Amazon Glue console, choose Visual ETL from the navigation menu and choose an existing job. The job canvas displays the example job as depicted below.

    
            The screenshot shows a job diagram generated from the Example job.
  2. Choose the node you want to remove. The canvas will zoom in to the node. In the toolbar on the right side of the canvas, choose the Trash icon. This will remove the node and any node connected to the node will move to take its place in the workflow. In this example, the first Join node was deleted from the canvas.

    If you delete a node in the workflow, Amazon Glue will re-arrange the nodes so that they are organized in a way that does not result in an invalid workflow. You may still need to correct a node's configuration.

    In the example, the Join node beneath the Subscribers node was removed. As a result, the Plans source node has been moved to the top level and is still connected to the child Join node. The Join node now requires additional configuration since Join requires two parent source nodes with selected tables. The Transform tab to the right of the canvas displays the missing requirement under Join conditions .

    
            The screenshot shows a job diagram where parent nodes are two source nodes - Plan assignment and 
              Subscribers. They are connected to a Join node. A Plans source node and Join node are connected to the Change 
              Schema node. The Catalog node is connected to the Change schema node.
  3. Delete the second Join node and Select Fields node. When the nodes have been deleted, the workflow will look like the example below.

    
            The screenshot shows a job diagram where the Join nodes and Select Fields have been removed and the node 
              connected to it, the Change Schema node, has moved up to take its place in the job flow.
  4. To modify the node connections, click on the node's handle and drag the connection to a new node. This will allow you to delete nodes and rearrange the nodes in a logical flow. In the example, a new connection is being made by clicking the handle on the Plans node and dragging the connection to the Join node as depicted by the red arrow.

    
            The screenshot shows a job diagram where the handle is enclosed in a red circle and a red arrow is joining the 
            Plans node and Join node to demonstrate the action of clicking and dragging to connect the nodes together.
  5. If you need to undo any action, choose the Undo icon directly beneath the Trash icon in the toolbar on the right side of the canvas.