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  • PowerCenter 10.4.1
  • 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. Datatype Reference
  17. Configure the Web Browser

Designer Guide

Designer Guide

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Propagating Dependencies in a Link Path

Propagating Dependencies in a Link Path

When you propagate dependencies in a link path, the Designer updates all the input and input/output ports in its forward link path and all the output and input/output ports in its backward link path. The Designer performs the following updates:
  • Updates the port name, datatype, precision, scale, and description for all ports in the link path of the propagated port.
  • Updates all expressions or conditions that reference the propagated port with the changed port name.
  • Updates the associated port property in a dynamic Lookup transformation if the associated port name changes.
  • Updates the port name of Custom transformation port dependencies.
When you propagate a port name, the Designer appends “1” to the port name if a port with the same name exists in the transformation.
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