Table of Contents

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  1. Preface
  2. Working with Transformations
  3. Aggregator Transformation
  4. Custom Transformation
  5. Custom Transformation Functions
  6. Data Masking Transformation
  7. Data Masking Examples
  8. Expression Transformation
  9. External Procedure Transformation
  10. Filter Transformation
  11. HTTP Transformation
  12. Identity Resolution Transformation
  13. Java Transformation
  14. Java Transformation API Reference
  15. Java Expressions
  16. Java Transformation Example
  17. Joiner Transformation
  18. Lookup Transformation
  19. Lookup Caches
  20. Dynamic Lookup Cache
  21. Normalizer Transformation
  22. Rank Transformation
  23. Router Transformation
  24. Sequence Generator Transformation
  25. Sorter Transformation
  26. Source Qualifier Transformation
  27. SQL Transformation
  28. Using the SQL Transformation in a Mapping
  29. Stored Procedure Transformation
  30. Transaction Control Transformation
  31. Union Transformation
  32. Unstructured Data Transformation
  33. Update Strategy Transformation
  34. XML Transformations

Transformation Guide

Transformation Guide

Working with Groups and Ports

Working with Groups and Ports

A Union transformation has multiple input groups and one output group. Create input groups on the Groups tab, and create ports on the Group Ports tab.
You can create one or more input groups on the Groups tab. The Designer creates one output group by default. You cannot edit or delete the output group.
You can create ports by copying ports from a transformation, or you can create ports manually. When you create ports on the Group Ports tab, the Designer creates input ports in each input group and output ports in the output group. The Designer uses the port names you specify on the Group Ports tab for each input and output port, and it appends a number to make each port name in the transformation unique. It also uses the same metadata for each port, such as datatype, precision, and scale.
The Ports tab displays the groups and ports you create. You cannot edit group and port information on the Ports tab. Use the Groups and Group Ports tab to edit groups and ports.

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