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

Skip Null Records

Skip Null Records

Use the ERROR function as the default value when you do not want null values to pass into a transformation. For example, you might want to skip a row when the input value of DEPT_NAME is NULL. You could use the following expression as the default value:
ERROR('Error. DEPT is NULL')
When you use the ERROR function as a default value, the Integration Service skips the row with the null value. The Integration Service writes all rows skipped by the ERROR function into the log file. It does not write these rows to the reject file.
DEPT_NAME     RETURN VALUE
Housewares    Housewares NULL          'Error. DEPT is NULL' (Row is skipped) Produce       Produce
The following log shows where the Integration Service skips the row with the null value:
TE_11019 Port [DEPT_NAME]: Default value is: ERROR(<<Transformation Error>> [error]: Error. DEPT is NULL ... error('Error. DEPT is NULL') ). CMN_1053 EXPTRANS: : ERROR: NULL input column DEPT_NAME: Current Input data: CMN_1053 Input row from SRCTRANS: Rowdata: ( RowType=4 Src Rowid=2 Targ Rowid=2   DEPT_ID (DEPT_ID:Int:): "2"   DEPT_NAME (DEPT_NAME:Char.25:): "NULL"   MANAGER_ID (MANAGER_ID:Int:): "1" )

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