Defining the input schemas and mappings - Cloud - 7.3

Talend Studio User Guide

Version
Cloud
7.3
Language
English
Product
Talend Big Data
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Module
Talend Studio
Content
Design and Development

About this task

To define the input schema and mappings, do the following:

Procedure

  1. Click the Input mapping tab to define the input schema and set the parameters required to execute the operation.
  2. In the table to the right, select the parameters row and click the [+] button to open the ParameterTree dialog box.
  3. Selectthe parameter you want to use and click OK to close the dialog box.
    A new row appears showing the parameter you added, CountryCode in this example.
  4. In the table to the left, click the Schema Management button to open the Schema dialog box.
  5. Define the input schema.
    In this example, the schema has only one column: CountryCode.
  6. Click OK to validate this addition and close the dialog box.
  7. Create mappings between schema columns and parameters.
    In this example, drop the CountryCode column from the left table onto the parameters.CountryCode row to the right.
    A red line shows that the column is mapped.
    Note:

    If available, use the Auto Map button situated to the top of the tab, to carry out the mapping automatically.