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  • Common Content for Data Engineering 10.2.1
  • Tous les produits

Table des matières

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  1. Preface
  2. Introduction aux transformations
  3. Ports de transformation
  4. Caches de transformation
  5. Transformation Outil de validation des adresses
  6. Transformation Agrégation
  7. Transformation Association
  8. Transformation Exception d'enregistrements incorrects
  9. Transformation Convertisseur de casse
  10. Transformation Classeur
  11. Transformation Comparaison
  12. Transformation Consolidation
  13. Transformation Masquage des données
  14. Transformation Processeur de données
  15. Transformation Décision
  16. Transformation Exception d'enregistrements dupliqués
  17. Transformation Expression
  18. Transformation filtre
  19. Transformation Hiérarchique à relationnel
  20. Transformation Java
  21. Référence de l'API de transformation Java
  22. Expressions Java
  23. Transformation jointure
  24. Transformation Générateur de clés
  25. Transformation Libellé
  26. Transformation Recherche
  27. Caches de recherche
  28. Cache de recherche dynamique
  29. Transformation Correspondance
  30. Transformations Correspondance dans l'analyse de champ
  31. Transformations de correspondance dans l'analyse d'identité
  32. Transformation Fusion
  33. Transformation Normaliseur
  34. Transformation Analyseur
  35. Transformation Python
  36. Transformation Rang
  37. Transformation Lecture
  38. Transformation Relationnel à hiérarchique
  39. Transformation Consommateur de service Web REST
  40. Transformation Routeur
  41. Transformation Générateur de séquence
  42. Transformation Trieur
  43. Transformation SQL
  44. Transformation Normalisation
  45. Transformation Union
  46. Transformation Stratégie de mise à jour
  47. Transformation Consommateur de service Web
  48. Analyse des messages SOAP du service Web
  49. Génération des messages SOAP du service Web
  50. Transformation moyenne pondérée
  51. Transformation Écriture
  52. Délimiteurs de transformation

Developer Transformation Guide

Developer Transformation Guide

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Creating a Sequence Generator Transformation

Creating a Sequence Generator Transformation

To use a Sequence Generator transformation in a mapping, add it to the mapping, configure the transformation properties, and then connect NEXTVAL to one or more transformations.
  1. In the mapping editor, scroll down in the mapping palette to locate the Sequence Generator transformation and drag it to the mapping.
    The
    New Transformations
     wizard opens.
    This screenshot shows the dialog box that appears when you want to create a Sequence Generator transformation. It includes the transformation name and location. The location is the path to the mapping where you want to create your transformation. Underneath the location, you have 2 choices; you can either select to create a new sequence or to choose an existing Sequence object. The second choice includes the option to browse for the Sequence data object or to create a new Sequence data object.
  2. Enter a name for the Sequence Generator transformation.
    The naming convention for Sequence Generator transformations is SEQ_<transformation name>.
  3. Choose to create a new sequence or to use an existing Sequence object.
    • To create a new sequence, select
      Create a new sequence
      . Click
      Next
       to configure the sequence properties. The following image shows the properties that you can configure:
      This screenshot shows the Sequence properties that you can configure: Start Value, End Value, Increment Value, and an option for Cycle. The default Start Value is 0. The default End Value is 9,223,372,036,854,775,807. The default Increment Value is 1.
    • To use an existing Sequence object, select
      Choose an existing Sequence object
      . Navigate to the Sequence object and click
      OK
      .
    The Sequence Generator transformation appears in the mapping editor with a NEXTVAL output-only port. You can connect the NEXTVAL port to a downstream transformation or target to generate a sequence of numbers.