Table of Contents

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  1. Preface
  2. Transformations
  3. Source transformation
  4. Target transformation
  5. Aggregator transformation
  6. Cleanse transformation
  7. Data Masking transformation
  8. Data Services transformation
  9. Deduplicate transformation
  10. Expression transformation
  11. Filter transformation
  12. Hierarchy Builder transformation
  13. Hierarchy Parser transformation
  14. Hierarchy Processor transformation
  15. Input transformation
  16. Java transformation
  17. Java transformation API reference
  18. Joiner transformation
  19. Labeler transformation
  20. Lookup transformation
  21. Machine Learning transformation
  22. Mapplet transformation
  23. Normalizer transformation
  24. Output transformation
  25. Parse transformation
  26. Python transformation
  27. Rank transformation
  28. Router transformation
  29. Rule Specification transformation
  30. Sequence Generator transformation
  31. Sorter transformation
  32. SQL transformation
  33. Structure Parser transformation
  34. Transaction Control transformation
  35. Union transformation
  36. Velocity transformation
  37. Verifier transformation
  38. Web Services transformation

Transformations

Transformations

Field name conflicts

Field name conflicts

The Mapping Designer generates a field name conflict error when you validate a mapping that has fields with matching names from different transformations. When a field name conflict occurs, you need to ensure that each field has a unique name.
To resolve a field name conflict, you can create a field rule to rename fields. If you create a field rule to resolve a field name conflict, you create the field rule in the upstream transformation.
Alternatively, field name conflict error messages contain a link that you can use to create a field name conflict rule to resolve the field name conflict. A field name conflict rule renames all of the fields from the upstream transformation, not just the fields that cause a conflict.
Field name conflict rules take effect before field rules take effect. Field name conflict rules are only applicable to incoming fields from upstream transformations. Field name conflicts that occur after incoming fields first enter a transformation cannot be corrected by field name conflict rules. For example, you cannot use field name conflict rules to correct field name conflicts that occur due to field rules or activities such as lookup fields. Instead, modify the field rules or transformations that cause the conflict.

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