Table of Contents

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  1. Preface
  2. Transformations
  3. Source transformation
  4. Target transformation
  5. Access Policy transformation
  6. Aggregator transformation
  7. B2B transformation
  8. Chunking transformation
  9. Cleanse transformation
  10. Data Masking transformation
  11. Data Services transformation
  12. Deduplicate transformation
  13. Expression transformation
  14. Filter transformation
  15. Hierarchy Builder transformation
  16. Hierarchy Parser transformation
  17. Hierarchy Processor transformation
  18. Input transformation
  19. Java transformation
  20. Java transformation API reference
  21. Joiner transformation
  22. Labeler transformation
  23. Lookup transformation
  24. Machine Learning transformation
  25. Mapplet transformation
  26. Normalizer transformation
  27. Output transformation
  28. Parse transformation
  29. Python transformation
  30. Rank transformation
  31. Router transformation
  32. Rule Specification transformation
  33. Sequence transformation
  34. Sorter transformation
  35. SQL transformation
  36. Structure Parser transformation
  37. Transaction Control transformation
  38. Union transformation
  39. Vector Embedding transformation
  40. Velocity transformation
  41. Verifier transformation
  42. Web Services transformation

Transformations

Transformations

Join and map fields for data conversion

Join and map fields for data conversion

To define the conversion of data from upstream transformations to the hierarchical output, join the incoming data and then map the relationships between fields.
If more than one upstream transformation is connected to the Hierarchy Builder transformation, set primary and foreign keys to join the incoming data before you map the fields. If only one upstream transformation is connected to the Hierarchy Builder transformation, the data will be treated as denormalized input, and you don't define primary and foreign keys. Then, map the input fields to the matching field in the hierarchy.
The
Field Mapping
tab displays the relational fields from the upstream transformations and the hierarchy fields from the schema. Use this tab to join incoming sources and map the relationships between fields. The following image shows the
Field Mapping
tab:
In the Properties panel, the Field Mapping tab shows the relational inputs fields on one side and hierarchy fields on the other. 6 of 7 relational fields are mapped and there is a primary key and foreign key designated in the relational fields.

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