Archiving Waves (SCM-EWM-WAV)
Definition
You use the archiving object WME_WAVE to archive and delete waves.
Use
You can archive waves that SAP Extended Warehouse Management (EWM) saved a certain number of days ago. You can also simultaneously archive waves for multiple warehouse numbers.
For test purposes, you can display a list of all the waves to be archived and deleted before archiving them.
Structure
Tables
EWM uses the archiving object WME_WAVE to archive data from the following tables:
|
Table |
Description |
|---|---|
|
/SCWM/WAVEHDR |
Wave – Header Information |
|
/SCWM/WAVEITM |
Wave Item |
Programs
The following programs are delivered for the archiving object WME_WAVE:
|
Program |
Function |
|---|---|
|
WME_ARCH_WAVE_WRITE |
Write |
|
WME_ARCH_WAVE_DELETE |
Delete |
|
WME_ARCH_WAVE_READ |
Read |
Variant Settings for Writing
In the variant of the write program, specify the warehouse number and the wave as the selection criteria for the wave. In the processing options, specify whether EWM is to start the program in test mode or production mode.
For more information about variant maintenance, see SAP Library for SAP NetWeaver at http://help.sap.com/nw
. In SAP Library, choose .
Integration
Display Function for Archived Waves
You can use the following field catalog and archive information structure to access archived waves using the Archive Information System:
-
Field catalog SAP_WME_WAVE
-
Archive information structure SAP_WME_WAVE
For more information about the Archive Information System, see SAP Library for SAP NetWeaver at http://help.sap.com/nw
. In SAP Library, choose .
ILM-related Information for WME_WAVE
Archiving object WME_WAVE is connected to the ILM object WME_WAVE.
The ILM object WME_WAVE also has the ILM constants LAST_CHANGE_DATE and START_RET_DATE as available time references. LAST_CHANGE_DATE and START_RET_DATE are mapped to the field RELEASED_AT (Timepoint) in the database table /SCWM/WAVEHDR.
The ILM object WME_WAVE is assigned to the policy category RTP (Retention Rules).
Checks of WME_WAVE
For ILM actions Archiving and Data Destruction, the preprocessing program /SCDL/BO_ARCHIVE_STD checks the following:
-
The completion status of the PDOs
-
The residence time of the PDOs
For ILM actions Archiving and Data Destruction, the write program does not perform any business or technical checks during document selection. Only documents with archive status X are selected.
For ILM action Snapshot, it is not necessary to do any business checks.

