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  1. Preface
  2. Understanding Pipeline Partitioning
  3. Partition Points
  4. Partition Types
  5. Pushdown Optimization
  6. Pushdown Optimization and Transformations
  7. Real-time Processing
  8. Commit Points
  9. Row Error Logging
  10. Workflow Recovery
  11. Stopping and Aborting
  12. Concurrent Workflows
  13. Grid Processing
  14. Load Balancer
  15. Workflow Variables
  16. Parameters and Variables in Sessions
  17. Parameter Files
  18. FastExport
  19. External Loading
  20. FTP
  21. Session Caches
  22. Incremental Aggregation
  23. Session Log Interface
  24. Understanding Buffer Memory
  25. High Precision Data

Advanced Workflow Guide

Advanced Workflow Guide

Changing Source Parameters in a File

Changing Source Parameters in a File

You can define multiple parameters for a session property in a parameter file and use one of the parameters in a session. You can change the parameter name in the session properties and run the session again with a different parameter value.
For example, you create a session parameter named $InputFile_Products in a parameter file. You set the parameter value to “products.txt.” In the same parameter file, you create another parameter called $InputFile_Items. You set the parameter value to “items.txt.”
When you set the source file name to $InputFile_Products in the session properties, the Integration Service reads products.txt. When you change the source file name to $InputFile_Items, the Integration Service reads items.txt.

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