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English
  • 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

Back Next

Configuring Sources to Get Metadata Changes at Run Time

Configuring Sources to Get Metadata Changes at Run Time

You can configure data sources for source objects in mappings to get metadata changes at run time.
When the metadata for data source columns changes after you develop a mapping, the mapping might be out of date. You can configure data sources with an option to get this data at when the mapping runs.
  1. In the mapping editor, select the source object.
  2. In the
    Properties
     view, click the
    Data Object
     tab.
  3. To dynamically get columns from the data source file at run time, select
    At run time, get data object columns from the data source
    .
    Select the option to get data object columns from the data source at run time in the Data Object tab.
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