Table of Contents

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  1. Preface
  2. Introduction to Data Integration Hub
  3. PowerCenter Mappings and Workflows
  4. Data Engineering Integration and Streaming Mapping and Workflows
  5. Informatica Cloud Mappings and Tasks
  6. Data Integration Hub Workflows
  7. Data Integration Hub Transformations
  8. Forms Designer
  9. Data Integration Hub Publications and Subscriptions APIs
  10. Data Extraction APIs

Developer Guide

Developer Guide

Data Integration Hub Transformations Rules and Guidelines

Data Integration Hub
Transformations Rules and Guidelines

When you work with
Data Integration Hub
transformations in PowerCenter, follow rules and guidelines to optimize performance and prevent errors.
The following list describes rules and guidelines for working with
Data Integration Hub
transformations:
  • Data Integration Hub
    transformations are based on the PowerCenter Custom transformation and they provide the same configuration options as other custom transformations. You can use them as you use other PowerCenter transformations.
  • Data Integration Hub
    transformations are connected transformations. Connected transformations pass data to or from other transformations.
  • Data Integration Hub
    transformations are passive transformations.
  • If a transformation port has a corresponding
    Data Integration Hub
    property, the value of the port takes precedence over the value of the property during runtime. When the session runs, if the value of the port is not null, the PowerCenter Integration Service uses the value of the port for processing. If the value of the port is null, the PowerCenter Integration Service uses the value of the
    Data Integration Hub
    property for processing.
  • Port names are case insensitive and prefix insensitive. DXEventID, dxEVENTid, and eventid are all treated as the same port.
  • When you run a PowerCenter workflow that uses a
    Data Integration Hub
    transformation, PowerCenter tries to connect to the
    Data Integration Hub
    repository to get the list of event statuses and types to use in the transformation. An error message indicates a failed connection. If the connection fails, PowerCenter gets the event type values from the Client plug-in configuration file. To resolve connection errors, verify that the connection section in the dxplugin.ini file contains the following configuration:
    [DX_REPOSITORY] ; ODBC connection string to the DX repository ; CONNECTION_STRING=DRIVER={DataDirect 7.0 Oracle Wire Protocol}; UID=%1;PWD=%2;Host=localhost;Port=1521;SN=orcl ; CUSTOM_CONNECTION_STRING ; ODBC DSN to the DX repository ; DSN_NAME=dxOdbcResourceName USER_NAME=DX USER_PASSWD=DX EVENT_TYPE_NAME=SELECT event_type_name FROM dx_event_type ORDER BY 1 EVENT_STATUS_NAME=SELECT event_status_name FROM dx_event_status ORDER BY 1

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