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  • PowerCenter 10.5.8
  • All Products

Table of Contents

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  1. Preface
  2. Using the Designer
  3. Working with Sources
  4. Working with Flat Files
  5. Working with Targets
  6. Mappings
  7. Mapplets
  8. Mapping Parameters and Variables
  9. Working with User-Defined Functions
  10. Using the Debugger
  11. Viewing Data Lineage
  12. Comparing Objects
  13. Managing Business Components
  14. Creating Cubes and Dimensions
  15. Using the Mapping Wizards
  16. Appendix A: Datatype Reference
  17. Appendix B: Configure the Web Browser

Designer Guide

Designer Guide

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Troubleshooting Mapping Parameters and Variables

Troubleshooting Mapping Parameters and Variables

I created a mapping variable for a mapping, but each time I run the session, the value of the variable stays the same.
You might not have included a variable function in the mapping. To change the value of a variable from session to session, use a variable function.
Or, you might have configured a value for the variable in the parameter file. When you define a value for a mapping variable in the parameter file, the Integration Service uses that value for the variable. See the session log to determine what start value the Integration Service uses for each variable.
In the parameter file, I configured values for parameters in a mapplet, but they are not being used in the session.
Mapping parameter and variable values in mapplets must be preceded by the mapplet name in the parameter file, as follows:
mappletname.parameter=value
mappletname.variable=value
I cannot find the variable functions in the Expression Editor of the Rank or Aggregator transformation.
You cannot use variable functions in the Rank or Aggregator transformation. Use a different transformation for variable functions.
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