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Configuring the DataSet-Execute method for HDFS

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You can automate data management operations on records that are defined by the HDFS data set by using the DataSet-Execute method. You can perform these operations programmatically, instead of doing them manually.

  1. Create an activity rule from the navigation panel, by clicking Records Technical Activity Create , to start the DataSet-Execute method.

  2. Click the activity Steps tab.

  3. In the Method field, enter DataSet-Execute.

  4. In the Step page field, specify the step page on which the method operates, or leave this field blank to use the primary page of this activity.

  5. Optional:

    Enter a description for the method.

  6. Click the Arrow icon to the left of the Method field to expand the Method Parameters section.

  7. In the Data Set field, enter the name of the data set that is used to represent data in an HDFS data source.

  8. In the Operation list, select the type of operation. Depending on the type of operation, specify additional settings by performing the following actions:

    • To specify the Save operation, go to step 9.
    • To specify the Browse operation, go to step 10.
    • To remove all records from the decision data store, choose Truncate.
  9. Save records passed by a page or data transform in the HDFS data source by performing the following action:

    1. Select the Save list of pages defined in a named page check box to save the list of pages from an existing Code-Pega-List page.

  10. Read all records from the HDFS data source by performing the following actions:

    1. In the Maximum number of records to read field, enter a value to define the threshold for stopping the browse operation. You can also define this value through an expression.

    2. In the Store results in field, define the result page. The result page consists of an existing Code-Pega-List page.

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