Table of Contents

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  1. Preface
  2. Introduction to Informatica Big Data Management
  3. Mappings in the Hadoop Environment
  4. Mapping Sources in the Hadoop Environment
  5. Mapping Targets in the Hadoop Environment
  6. Mapping Transformations in the Hadoop Environment
  7. Processing Hierarchical Data on the Spark Engine
  8. Configuring Transformations to Process Hierarchical Data
  9. Processing Unstructured and Semi-structured Data with an Intelligent Structure Model
  10. Stateful Computing on the Spark Engine
  11. Monitoring Mappings in the Hadoop Environment
  12. Mappings in the Native Environment
  13. Profiles
  14. Native Environment Optimization
  15. Cluster Workflows
  16. Connections
  17. Data Type Reference
  18. Function Reference
  19. Parameter Reference

Changing the Type Configuration for a Map Port

Changing the Type Configuration for a Map Port

The default type configuration for a map is
<string, string>
. You can change the type configuration for a map port. Specify the data type of the key-value pair.
  1. In the transformation, select the map port for which you want to set the type configuration.
  2. In the
    Type Configuration
    column, click the
    Open
    button.
    The
    Type Configuration
    dialog box appears:
    The Type Configuration dialog box for a map port shows the properties for the data type, precision, and scale for the key and value. The default key data type is string, and the default value data type is string.
  3. Specify the properties for the key and value of the map data type.
    1. In the
      Type
      drop-down menu, select the data type.
    2. Optionally, in the
      Precision
      box, specify the maximum number of significant digits for numeric data types, or maximum number of characters for string data types.
    3. Optionally, in the
      Scale
      box, specify the maximum number of digits after the decimal point of numeric values.
  4. Click
    OK
    .
    On the
    Ports
    tab, the specified type configuration appears in the
    Type Configuration
    column of the map port.


Updated October 23, 2019