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. Import From PowerCenter
  13. Performance Tuning
  14. Pushdown Optimization
  15. Partitioned Mappings
  16. Developer Tool Naming Conventions

Developer Mapping Guide

Developer Mapping Guide

Rules and Guidelines for Parameter Files

Rules and Guidelines for Parameter Files

Certain rules and guidelines apply when you create parameter files.
Use the following rules when you create a parameter file:
  • You can reference mapping and workflow parameters in a parameter file. You cannot reference reusable transformation, mapplet, or data object parameters. To reference reusable object parameters, expose the reusable object parameters as mapping parameters. Specify the mapping parameter values in the parameter file.
  • The application element contains mapping or workflow parameters that apply only to the specified application when the application runs. If you run a mapping with a parameter file from the Developer tool and do not deploy the mapping as an application, do not specify an application element. Specify the mapping within a project element.
  • Parameter values cannot be empty. For example, the Data Integration Service fails the
    mapping
    run if the parameter file contains the following entry:
    <parameter name="Param1"> </parameter>
  • Within an element, artifact names are not case-sensitive. Therefore, the Data Integration Service interprets <parameter name="SrcDir"> and <parameter name="Srcdir"> as the same application.
  • A parameter that identifies a reference table must use a forward-slash (/) to separate folder names in a repository folder path.

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