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  1. Preface
  2. Introduction to Data Transformation
  3. Data Processor Transformation
  4. Wizard Input and Output Formats
  5. Relational Input and Output
  6. Using the IntelliScript Editor
  7. XMap
  8. Libraries
  9. Schema Object
  10. Command Line Interface
  11. Scripts
  12. Parsers
  13. Script Ports
  14. Document Processors
  15. Formats
  16. Data Holders
  17. Anchors
  18. Transformers
  19. Actions
  20. Serializers
  21. Mappers
  22. Locators, Keys, and Indexing
  23. Streamers
  24. Validators, Notifications, and Failure Handling
  25. Validation Rules
  26. Custom Script Components

Enforced Uniqueness of a Key

Enforced Uniqueness of a Key

The Script enforces the uniqueness of a
Key
. This has the following consequences:
  • If two or more sibling occurrences of an input element have the same key values, the Script considers each occurrence to overwrite the previous occurrences. It uses only the last occurrence that it encounters.
  • If an occurrence of an input element is missing a key value, the occurrence is ignored.
  • If the Script outputs a keyed element, and a sibling element having the same key value already exists, the existing occurrence is overwritten.
In these cases, the Script writes a warning in the event log.


Updated March 03, 2021