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  • Common Content for Data Engineering 10.5.4
  • All Products

Table of Contents

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  1. Preface
  2. Mappings
  3. Mapplets
  4. Mapping Parameters
  5. Where to Assign Parameters
  6. Mapping Outputs
  7. Generate a Mapping from an SQL Query
  8. Dynamic Mappings
  9. How to Develop and Run a Dynamic Mapping
  10. Dynamic Mapping Use Cases
  11. Mapping Administration
  12. Export to PowerCenter
  13. Import From PowerCenter
  14. Performance Tuning
  15. Pushdown Optimization
  16. Partitioned Mappings
  17. Developer Tool Naming Conventions

Developer Mapping Guide

Developer Mapping Guide

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How to Configure and Bind Mapping Outputs

How to Configure and Bind Mapping Outputs

When you configure mapping outputs, define the mapping outputs at the mapping level and configure the expressions to aggregate at the transformation level. Bind the persisted output to a mapping parameter.
To configure and bind mapping outputs in deployed mappings, perform the following steps:
  1. Create a mapping with an Expression transformation and configure mapping parameters.
  2. Define a mapping output to persist in the repository and set the aggregation type used to calculate the output.
  3. Configure a mapping output expression to aggregate an output for each row that the mapping processes.
  4. Define a filter query in the Read transformation to read data incrementally from the data source based on a parameterized field and its value.
  5. Bind the mapping output to a parameter to use the persisted value in subsequent mapping runs.
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