Table of Contents

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  1. Preface
  2. Mappings
  3. Mapplets
  4. Mapping Parameters
  5. Where to Assign Parameters
  6. Mapping Outputs
  7. Generate a Mapping from an SQL Query
  8. Dynamic Mappings
  9. How to Develop and Run a Dynamic Mapping
  10. Dynamic Mapping Use Cases
  11. Mapping Administration
  12. Export to PowerCenter
  13. Import From PowerCenter
  14. Performance Tuning
  15. Pushdown Optimization
  16. Partitioned Mappings
  17. Developer Tool Naming Conventions

Developer Mapping Guide

Developer Mapping Guide

Overriding Non-Reusable Transformation Parameters in Mappings

Overriding Non-Reusable Transformation Parameters in Mappings

When you create a non-reusable transformation in a mapping, the transformation parameters are mapping parameters.
To override the default parameter values in the transformation, complete one of the following tasks:
  • Reconfigure the mapping parameters.
  • Configure a parameter set or parameter file to override the mapping parameters.
For example, you can create a non-reusable Filter transformation in a mapping and set a parameter for the Filter transformation. The Developer tool duplicates the transformation parameter and creates a mapping parameter. To override the transformation parameter, reconfigure the default value of the mapping parameter, or configure a parameter set or parameter file to override the mapping parameter.

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