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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

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Example - Selection Rules and Port Selectors

Example - Selection Rules and Port Selectors

You configure the mapping to use dynamic sources, but the column that contains salary information in each source file has a different name. The column names for the different sources are
Salary
,
Monthly_Salary
, or
Base_Salary
.
You perform the following tasks to run the expression with any of the salary port names:
  1. You create a port selector named "Salary_PortSelector."
  2. You create a selection rule to accept any port name with the suffix of "Salary."
  3. Configure the expression to include the port selector name instead of a specific column name. The expression has the following syntax: 
    Salary_PortSelector * 12
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