SAP RH_FILL_BUFFER Function Module for Buffer filling is independent of transfer values
RH_FILL_BUFFER is a standard rh fill buffer SAP function module available within SAP R/3 or S/4 Hana systems, depending on your version and release level. It is used for Buffer filling is independent of transfer values processing and below is the pattern details for this FM, showing its interface including any import and export parameters, exceptions etc. there is also a full "cut and paste" ABAP pattern code example, along with implementation ABAP coding, documentation and contribution comments specific to this or related objects.
See here to view full function module documentation and code listing for rh fill buffer FM, simply by entering the name RH_FILL_BUFFER into the relevant SAP transaction such as SE37 or SE38.
Function Group: RHAP
Program Name: SAPLRHAP
Main Program: SAPLRHAP
Appliation area: H
Release date: 02-Sep-1999
Mode(Normal, Remote etc): Normal Function Module
Update:

Function RH_FILL_BUFFER pattern details
In-order to call this FM within your sap programs, simply using the below ABAP pattern details to trigger the function call...or see the full ABAP code listing at the end of this article. You can simply cut and paste this code into your ABAP progrom as it is, including variable declarations.CALL FUNCTION 'RH_FILL_BUFFER'"Buffer filling is independent of transfer values.
EXPORTING
PLVAR = "Plan version
* TB_BUFFER_FILL = "Fill table buffer
OTYPE = "Object type
* OBJID = ' ' "Object ID
* INFTY = ' ' "Infotype
* SUBTY = ' ' "Subtype
* ISTAT = ' ' "Status
* BEGDA = '19000101' "Start date
* ENDDA = '99991231' "End Date
* VARYF = ' ' "Variation field
EXCEPTIONS
NOT_FOUND = 1
IMPORTING Parameters details for RH_FILL_BUFFER
PLVAR - Plan version
Data type: WPLOG-PLVAROptional: No
Call by Reference: No ( called with pass by value option)
TB_BUFFER_FILL - Fill table buffer
Data type: HRRHAP-TB_BUF_FILOptional: Yes
Call by Reference: No ( called with pass by value option)
OTYPE - Object type
Data type: WPLOG-OTYPEOptional: No
Call by Reference: No ( called with pass by value option)
OBJID - Object ID
Data type: WPLOG-OBJIDDefault: SPACE
Optional: Yes
Call by Reference: No ( called with pass by value option)
INFTY - Infotype
Data type: WPLOG-INFTYDefault: SPACE
Optional: Yes
Call by Reference: No ( called with pass by value option)
SUBTY - Subtype
Data type: WPLOG-SUBTYDefault: SPACE
Optional: Yes
Call by Reference: No ( called with pass by value option)
ISTAT - Status
Data type: WPLOG-ISTATDefault: SPACE
Optional: Yes
Call by Reference: No ( called with pass by value option)
BEGDA - Start date
Data type: WPLOG-BEGDADefault: '19000101'
Optional: Yes
Call by Reference: No ( called with pass by value option)
ENDDA - End Date
Data type: WPLOG-ENDDADefault: '99991231'
Optional: Yes
Call by Reference: No ( called with pass by value option)
VARYF - Variation field
Data type: WPLOG-VARYFDefault: SPACE
Optional: Yes
Call by Reference: No ( called with pass by value option)
EXCEPTIONS details
NOT_FOUND - Requested data not found
Data type:Optional: No
Call by Reference: No ( called with pass by value option)
Copy and paste ABAP code example for RH_FILL_BUFFER Function Module
The ABAP code below is a full code listing to execute function module POPUP_TO_CONFIRM including all data declarations. The code uses the original data declarations rather than the latest in-line data DECLARATION SYNTAX but I have included an ABAP code snippet at the end to show how declarations would look using the newer method of declaring data variables on the fly. This will allow you to compare and fully understand the new inline method. Please note some of the newer syntax such as the @DATA is not available until a later 4.70 service pack (SP8), which i why i have stuck to the origianl for this example.| DATA: | ||||
| lv_plvar | TYPE WPLOG-PLVAR, " | |||
| lv_not_found | TYPE WPLOG, " | |||
| lv_tb_buffer_fill | TYPE HRRHAP-TB_BUF_FIL, " | |||
| lv_otype | TYPE WPLOG-OTYPE, " | |||
| lv_objid | TYPE WPLOG-OBJID, " SPACE | |||
| lv_infty | TYPE WPLOG-INFTY, " SPACE | |||
| lv_subty | TYPE WPLOG-SUBTY, " SPACE | |||
| lv_istat | TYPE WPLOG-ISTAT, " SPACE | |||
| lv_begda | TYPE WPLOG-BEGDA, " '19000101' | |||
| lv_endda | TYPE WPLOG-ENDDA, " '99991231' | |||
| lv_varyf | TYPE WPLOG-VARYF. " SPACE |
|   CALL FUNCTION 'RH_FILL_BUFFER' "Buffer filling is independent of transfer values |
| EXPORTING | ||
| PLVAR | = lv_plvar | |
| TB_BUFFER_FILL | = lv_tb_buffer_fill | |
| OTYPE | = lv_otype | |
| OBJID | = lv_objid | |
| INFTY | = lv_infty | |
| SUBTY | = lv_subty | |
| ISTAT | = lv_istat | |
| BEGDA | = lv_begda | |
| ENDDA | = lv_endda | |
| VARYF | = lv_varyf | |
| EXCEPTIONS | ||
| NOT_FOUND = 1 | ||
| . " RH_FILL_BUFFER | ||
ABAP code using 7.40 inline data declarations to call FM RH_FILL_BUFFER
The below ABAP code uses the newer in-line data declarations. This allows you to see the coding differences/benefits of the later inline syntax. Please note some of the newer syntax below, such as the @DATA is not available until 4.70 EHP 8.| "SELECT single PLVAR FROM WPLOG INTO @DATA(ld_plvar). | ||||
| "SELECT single TB_BUF_FIL FROM HRRHAP INTO @DATA(ld_tb_buffer_fill). | ||||
| "SELECT single OTYPE FROM WPLOG INTO @DATA(ld_otype). | ||||
| "SELECT single OBJID FROM WPLOG INTO @DATA(ld_objid). | ||||
| DATA(ld_objid) | = ' '. | |||
| "SELECT single INFTY FROM WPLOG INTO @DATA(ld_infty). | ||||
| DATA(ld_infty) | = ' '. | |||
| "SELECT single SUBTY FROM WPLOG INTO @DATA(ld_subty). | ||||
| DATA(ld_subty) | = ' '. | |||
| "SELECT single ISTAT FROM WPLOG INTO @DATA(ld_istat). | ||||
| DATA(ld_istat) | = ' '. | |||
| "SELECT single BEGDA FROM WPLOG INTO @DATA(ld_begda). | ||||
| DATA(ld_begda) | = '19000101'. | |||
| "SELECT single ENDDA FROM WPLOG INTO @DATA(ld_endda). | ||||
| DATA(ld_endda) | = '99991231'. | |||
| "SELECT single VARYF FROM WPLOG INTO @DATA(ld_varyf). | ||||
| DATA(ld_varyf) | = ' '. | |||
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