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

User-Defined Default Input Values

User-Defined Default Input Values

You can enter a user-defined default input value if you do not want the Integration Service to treat null values as NULL.
To override null values, complete one of the following tasks:
  • Replace the null value with a constant value or constant expression.
  • Skip the null value with an ERROR function.
  • Abort the session with the ABORT function.
The following table summarizes how the Integration Service handles null input for input and input/output ports:
Default Value
Default Value Type
Description
NULL (displays blank)
System
Integration Service passes NULL.
Constant or Constant expression
User-Defined
Integration Service replaces the null value with the value of the constant or constant expression.
ERROR
User-Defined
Integration Service treats this as a transformation error:
  • Increases the transformation error count by 1.
  • Skips the row, and writes the error message to the log file or row error log.
The Integration Service does not write rows to the reject file.
ABORT
User-Defined
Session aborts when the Integration Service encounters a null input value. The Integration Service does not increase the error count or write rows to the reject file.

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