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  • PowerExchange Adapters for PowerCenter 10.5.9
  • All Products

Table of Contents

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  1. Preface
  2. Introduction to PowerExchange for Google BigQuery
  3. PowerExchange for Google BigQuery Configuration
  4. Google BigQuery Sources and Targets
  5. Google BigQuery Mappings
  6. Google BigQuery Sessions
  7. Google BigQuery as CDC Target
  8. Google BigQuery Pushdown Optimization
  9. Appendix A: Google BigQuery Data Type Reference

PowerExchange for Google BigQuery User Guide for PowerCenter

PowerExchange for Google BigQuery User Guide for PowerCenter

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Configuring a Google BigQuery Session for Pushdown Optimization

Configuring a Google BigQuery Session for Pushdown Optimization

To optimize the performance of the Google BigQuery session, configure full pushdown optimization in the session properties.
  1. Open the session properties for the session that you created.
  2. On the
    Properties
     tab, access the
    Performance
     section and select the value of the
    Pushdown Optimization
     as
    Full
    .
    The following figure shows the selected full pushdown optimization option:
    You can view the configured Full Pushdown Optimization property on the Properties tab.
  3. On the
    Config Object
     tab, set
    AutoCommit=Yes
     in the
    Custom Properties
    .
    The following figure shows the
    Config Object
     tab:
    You can view the configured Full Pushdown Optimization property on the Properties tab.
  4. Click the
    Mapping
     tab in the session properties.
    The following figure shows the
    Mapping
     tab:
    Use the View Pushdown Optimization link to view the mapping that the PowerCenter Integration Service pushes to the database.
  5. Click
    View Pushdown Optimization
     to view the full pushdown optimization logic.
    The
    Pushdown Optimizer Viewer
     window appears and displays the pushdown groups and the SQL that is generated to perform the transformation logic. It displays messages related to each pushdown group. It also displays numbered flags to indicate the transformations in each pushdown group.
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