Configuring the key generation for the second pass - 7.3

Data matching with Talend tools
Version
7.3
Language
English
Product
Talend Big Data Platform
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Module
Talend Studio
Content
Data Governance > Third-party systems > Data Quality components > Matching components > Continuous matching components
Data Governance > Third-party systems > Data Quality components > Matching components > Data matching components
Data Governance > Third-party systems > Data Quality components > Matching components > Fuzzy matching components
Data Governance > Third-party systems > Data Quality components > Matching components > Matching with machine learning components
Data Quality and Preparation > Third-party systems > Data Quality components > Matching components > Continuous matching components
Data Quality and Preparation > Third-party systems > Data Quality components > Matching components > Data matching components
Data Quality and Preparation > Third-party systems > Data Quality components > Matching components > Fuzzy matching components
Data Quality and Preparation > Third-party systems > Data Quality components > Matching components > Matching with machine learning components
Design and Development > Third-party systems > Data Quality components > Matching components > Continuous matching components
Design and Development > Third-party systems > Data Quality components > Matching components > Data matching components
Design and Development > Third-party systems > Data Quality components > Matching components > Fuzzy matching components
Design and Development > Third-party systems > Data Quality components > Matching components > Matching with machine learning components
Last publication date
2024-02-06

Procedure

  1. Double-click the second tGenKey to open the Component view.
  2. In the Algorithm table, define the column you want to use to partition data, account_num in this component. Select the first N characters of the string algorithm and set the value to 1 in the Value column.
    Each of the two tGenKey components will generate a read_only T_GEN_KEY column in the output schema. You must rename one of theT_GEN_KEY columns to stop them from overwriting each other.
  3. Double-click the tMap component to open its editor.
  4. In the Schema editor, copy the columns from the first table onto the second table and rename T_GEN_KEY to T_GEN_KEY1, for example.
  5. In the top part of the editor, drop all columns from the input table to the output table.
  6. Click Ok to save data transformation and close the editor.
  7. In the tGenKey basic settings, click the button to verify that the two generated keys are named differently in the output schema.