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

Data filter policy best practices

Data filter policy
best practices

To effectively use
data filter policies
in Access Policy transformations, use the following guidelines as best practices.
In order to provide flexiblity for a variety of use cases, the Access Policy transformation appends a new field called access_policy_filter that indicates whether a row is affected by
data filter policies
. For most use cases, it is appropriate to filter out these rows and the access_policy_filter field from the output.
Use the following best practices when defining Access Policy transformations that include
data filter policies
:
  • Add a Filter between the Access Policy transformation and the Target.
    • On the Incoming Fields tab, includes all fields.
    • On the Filter tab, add a simple filter condition for the field name access_policy_filter with a value of ACCESS_DENIED.
      The following image shows the Filter tab:
      The image shows the Filter tab. The user has selected "Simple" as
                    the filter condition and added ACCESS_DENIED as teh value for the
                    access_policy_filter field name.
  • Select the Target in your mapping.
    • On the Incoming Fields tab, exclude the field named access_policy_filter.
      The following image shows the Incoming Fields tab for the Target:
      The image shows the Incoming Fields tab of the Target. The Include operator
                    includes all fields. The Exclude operator has one field excluded. The field name
                    is access_policy_filter.

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