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English
  • Common Content for Data Engineering 10.2.2
  • All Products

Table of Contents

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  1. Preface
  2. Workflows
  3. Workflow Variables
  4. Workflow Parameters
  5. Cluster Tasks
  6. Command Task
  7. Human Task
  8. Mapping Task
  9. Notification Task
  10. Gateways
  11. Workflow Recovery
  12. Workflow Administration

Developer Workflow Guide

Developer Workflow Guide

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Persisting Mapping Outputs

Persisting Mapping Outputs

After you add the mapping to a workflow, you can persist mapping outputs from the Mapping task. You can use persisted mapping outputs as input to the Mapping task the next time it runs.
  1. Add the mapping to a workflow to create a Mapping task.
  2. Click the Mapping task icon in the workflow to view the Mapping task
    Properties
    .
  3. Click the
    Persistence
     view.
    A list of the user-defined mapping outputs appears in the
    Persistence
     view.
    The Persistence view lists the mapping outputs that you can persist in a Mapping task. The image show the Total Order Amount and the Last Order Date mapping outputs. The Persist column contains a check box. The Aggregation Function column and the Description column is empty for each mapping output.
  4. Enable
    Persist
     to save the mapping output after the Mapping task runs.
  5. Optionally, change the aggregation type and enter the description.
    The following image shows the Persistence view for a Mapping task:
    The image shows the Persistence view for the Mapping Task. The Persist check box is enabled for the Last Order Date mapping output. The Aggregate Function is MAX.
    The Last_Order_Date mapping output is persisted. The aggregate function is MAX, so the Data Integration Service saves maximum order date value in the repository.
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