Table of Contents

Search

  1. Preface
  2. Using the Designer
  3. Working with Sources
  4. Working with Flat Files
  5. Working with Targets
  6. Mappings
  7. Mapplets
  8. Mapping Parameters and Variables
  9. Working with User-Defined Functions
  10. Using the Debugger
  11. Viewing Data Lineage
  12. Comparing Objects
  13. Managing Business Components
  14. Creating Cubes and Dimensions
  15. Using the Mapping Wizards
  16. Datatype Reference
  17. Configure the Web Browser

Data Flow to Update Existing Rows

Data Flow to Update Existing Rows

The following table describes the data flow for existing rows. For each changed row in the source, this data flow updates the end date of the corresponding row in the target to indicate the existing row is no longer current:
Transformation Name
Transformation Type
Description
FIL_UpdateChangedRecord
Filter
Uses the following filter condition to filter out any rows from EXP_DetectChanges that are not marked changed (TRUE):
ChangedFlag
.
For each changed row, passes the primary key of the previous version to UPD_ChangedUpdate.
UPD_ChangedUpdate
Update Strategy
Uses
DD_UPDATE
to update existing rows in the target.
EXP_KeyProcessing_UpdateChanged
Expression
For each changed row, sets PM_CURRENT_FLAG to 0 for the previous version in the target, indicating that version is no longer current.
T_
TargetName
3
Target Definition
Instance of the target definition allowing updates to existing rows in the target.


Updated July 02, 2020