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Table of Contents

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  1. Preface
  2. Introduction to Transformations
  3. Transformation Ports
  4. Transformation Caches
  5. Address Validator Transformation
  6. Aggregator Transformation
  7. Association Transformation
  8. Bad Record Exception Transformation
  9. Case Converter Transformation
  10. Classifier Transformation
  11. Comparison Transformation
  12. Consolidation Transformation
  13. Data Masking Transformation
  14. Data Processor Transformation
  15. Decision Transformation
  16. Duplicate Record Exception Transformation
  17. Expression Transformation
  18. Filter Transformation
  19. Hierarchical to Relational Transformation
  20. Java Transformation
  21. Java Transformation API Reference
  22. Java Expressions
  23. Joiner Transformation
  24. Key Generator Transformation
  25. Labeler Transformation
  26. Lookup Transformation
  27. Lookup Caches
  28. Dynamic Lookup Cache
  29. Macro Transformation
  30. Match Transformation
  31. Match Transformations in Field Analysis
  32. Match Transformations in Identity Analysis
  33. Normalizer Transformation
  34. Merge Transformation
  35. Parser Transformation
  36. Python Transformation
  37. Rank Transformation
  38. Read Transformation
  39. Relational to Hierarchical Transformation
  40. REST Web Service Consumer Transformation
  41. Router Transformation
  42. Sequence Generator Transformation
  43. Sorter Transformation
  44. SQL Transformation
  45. Standardizer Transformation
  46. Union Transformation
  47. Update Strategy Transformation
  48. Web Service Consumer Transformation
  49. Parsing Web Service SOAP Messages
  50. Generating Web Service SOAP Messages
  51. Weighted Average Transformation
  52. Window Transformation
  53. Write Transformation
  54. Appendix A: Transformation Delimiters

Developer Transformation Guide

Developer Transformation Guide

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Generated Keys

Generated Keys

When you add an output group, the Developer tool relates the output group to another output group with a generated key. The Developer tool adds a bigint key to the parent group and to the child group. At run time, the Data Integration Service creates the key values for the generated keys.

Example

The SOAP hierarchy has the following nodes: 
Departments
   Dept_Key
   Dept_Num
   Dept_Name
 
   Employees
      Dept_FK
      Employee_Num
      Employee_Name
When you create an output group of ports for Departments, you map the Departments node to an empty field in the Ports area. The Developer tool creates the following output group: 
Departments
   Dept_Num
   Dept_Name
When you map the Employees node to an empty field in the Ports area, the Developer tool prompts you to relate the Employees group to the Departments group. You can relate the Employees group to more than one group. The Developer tool adds a key to the each group.
The Developer tool creates the following groups and generated keys: 
Departments
   Key_Departments
   Dept_Num
   Dept_Name
 
   Employees
      Key_Departments
      Employee_Num
      Employee_Name
You do not have to map nodes to the generated keys. The Data Integration Service creates the key values at run time.
The Developer tool can create generated keys to multiple levels in one output group. The Employees group might contain the following ports: 
Employees
   Key_Employees
   Key_Departments
   Key_Managers
   Employee_Num
   Employee_Name
Key_Departments and Key_Managers are the generated keys that point to parent groups. Key_ Employees is a generated key for the Employees group. Key_Employees appears when you relate a child group to the Employees group.
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