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Table of Contents

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  1. Preface
  2. Mappings
  3. Mapping tutorial
  4. Parameters
  5. CLAIRE recommendations
  6. Data catalog discovery

Mappings

Mappings

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Lineage for lookup fields

Lineage for lookup fields

When you view the lineage of a field used in the lookup condition of a Lookup transformation, the downstream lineage includes all fields returned by the lookup.
For example, you have a source table with customer data and you want to augment the data with data from an orders table before loading the data to a new target table. You configure the Lookup transformation to return fields when the source field Src_CustomerID equals the lookup field Customer_ID. On the
Incoming Fields
 tab of the Lookup transformation, you view the lineage for the Src_CustomerID field. The downstream lineage includes all fields returned by the lookup.
The following image shows the lineage for the Src_CustomerID field on the
Returned Fields
 tab:
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