Dynamically selecting the preparation from Talend Data Preparation
Procedure
In the design workspace, select tDataprepRun
and click the Component tab to define its
basic settings.
In the URL field, enter
context.parameter_URL to reuse one of the values
previously set for the URL context variable.
In the Username and
Password fields, respectively enter
context.parameter_USERNAME and
context.parameter_PASSWORD to reuse one of the values
previously set for the USERNAME and PASSWORD
context variables.
Select the Dynamic preparation selection checkbox to
define a preparation with its path in Talend Data Preparation rather than its technical
id.
In the Preparation path field, enter the path to the
customers_leads preparation you want to apply on the
.csv file.
Your preparation must have the same path on your Talend Data Preparation development environment
and production environment.
In the Preparation version field, type
Current state between double quotes, in order to use the
current version of the preparation.
Click Fetch Schema to
retrieve the schema of the preparation.
The output schema of the tDataprepRun component now
reflects the changes made with each preparation step. The schema takes into
account columns that were added or removed for example. By default, the output
schema will use the String type for all the columns, in order
not to overwrite any formatting operations performed on dates or numeric values
during the preparation.
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