Configuring tHMap - 7.2

Data mapping

EnrichVersion
7.2
EnrichProdName
Talend Big Data Platform
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EnrichPlatform
Talend Studio
task
Data Governance > Third-party systems > Processing components (Integration) > Data mapping
Data Quality and Preparation > Third-party systems > Processing components (Integration) > Data mapping
Design and Development > Third-party systems > Processing components (Integration) > Data mapping
tHMap executes transformations between sources and destinations. In this scenario, use an existing hierarchical mapper structure, test_payload, which is attached in the Download tab.

Procedure

  1. Double-click tHMap to display the tHMap Structure Generate/Select window.
  2. Click Select an existing hierarchical mapper structure for row1 input connection. Click Next.
  3. Select the test_payload structure that you have downloaded and imported previously from Hierarchical Mapper > Structures. Click Next.
  4. Repeat steps 2-3 for the row2 input connection. Click Next twice.
  5. Select Generate hierarchical mapper structure based on the schema option for the aa ouput connection. Click Next.
  6. Click Finish to display the tHMap mapping.
  7. From the Input Map, drag and drop root/row1/root/x(1:*)/a to root/aa/aaRecord(0:*)/newColumn in the Output Map to create a connection.
  8. Select root/aa/aaRecord(0:*)/newColumn1 to display the Value tab.
  9. Drag and drop AgConcat function in the Value tab.
  10. From the Input Map, drag and drop root/row2/root/x(1:*)/b to the AgConcat function as shown below:
  11. Save the changes you made.