Table of Contents

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  1. Preface
  2. Understanding Pipeline Partitioning
  3. Partition Points
  4. Partition Types
  5. Pushdown Optimization
  6. Pushdown Optimization and Transformations
  7. Real-time Processing
  8. Commit Points
  9. Row Error Logging
  10. Workflow Recovery
  11. Stopping and Aborting
  12. Concurrent Workflows
  13. Grid Processing
  14. Load Balancer
  15. Workflow Variables
  16. Parameters and Variables in Sessions
  17. Parameter Files
  18. FastExport
  19. External Loading
  20. FTP
  21. Session Caches
  22. Incremental Aggregation
  23. Session Log Interface
  24. Understanding Buffer Memory
  25. High Precision Data

Advanced Workflow Guide

Advanced Workflow Guide

Variables

Variables

The following table summarizes the availability of PowerCenter variables in relational databases. Columns marked with an X indicate that the variable can be pushed to the database by using source-side, target-side, or full pushdown optimization. Columns marked with a dash (-) symbol indicate that the variable cannot be pushed to the database.
Variable
IBM DB2
Microsoft SQL Server
Oracle
PostgreSQL
SAP HANA
Sybase ASE
SESSSTARTTIME
X
X
X
X
X
X
SYSDATE
X
X
X
X
X
X
WORKFLOWSTARTTIME
-
-
-
-
-
-
The following table summarizes the availability of PowerCenter variables in data warehouses. Columns marked with an X indicate that the variable can be pushed to the database by using source-side, target-side, or full pushdown optimization. Columns marked with a dash (-) symbol indicate that the variable cannot be pushed to the database.
Variable
Greenplum
Netezza
Teradata
Vertica
SESSSTARTTIME
X
X
X
X
SYSDATE
X
X
X
X
WORKFLOWSTARTTIME
-
-
-
-
The following table summarizes the availability of PowerCenter variables in cloud application databases. Columns marked with an X indicate that the variable can be pushed to the database by using source-side, target-side, or full pushdown optimization. Columns marked with a dash (-) symbol indicate that the variable cannot be pushed to the database.
Variable
MS Azure SQL DW
SESSSTARTTIME
X
SYSDATE
X
WORKFLOWSTARTTIME
-


Updated June 25, 2020