SAP VCH_TABLE_MAINTAIN_STRUCTURE Function Module for Wrapper API for variant table maintenance
VCH_TABLE_MAINTAIN_STRUCTURE is a standard vch table maintain structure SAP function module available within SAP R/3 or S/4 Hana systems, depending on your version and release level. It is used for Wrapper API for variant table maintenance 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 vch table maintain structure FM, simply by entering the name VCH_TABLE_MAINTAIN_STRUCTURE into the relevant SAP transaction such as SE37 or SE38.
Function Group: VCH_MD_API_CLOUD
Program Name: SAPLVCH_MD_API_CLOUD
Main Program: SAPLVCH_MD_API_CLOUD
Appliation area: M
Release date: N/A
Mode(Normal, Remote etc): Normal Function Module
Update:

Function VCH_TABLE_MAINTAIN_STRUCTURE 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 'VCH_TABLE_MAINTAIN_STRUCTURE'"Wrapper API for variant table maintenance.
EXPORTING
* CHANGE_NO = "Change number
* DATE = "No standard interface parameter
* TESTRUN = "Test Run
TABLES
VAR_TAB_BASIC_DATA = "Basic data of variant tables
VAR_TAB_CHARACTERISTICS = "Characteristics in variant tables
* VAR_TAB_VALUE_ASSIGNMENT_ALT = "Value assignment alternatives for variant tables
VAR_TAB_DESCRIPTIONS = "Multi-lingual descriptions_
* RETURN = "Return Parameter
IMPORTING Parameters details for VCH_TABLE_MAINTAIN_STRUCTURE
CHANGE_NO - Change number
Data type: AENR-AENNROptional: Yes
Call by Reference: No ( called with pass by value option)
DATE - No standard interface parameter
Data type: CLBASD-VAL_FROMOptional: Yes
Call by Reference: No ( called with pass by value option)
TESTRUN - Test Run
Data type: XFELDOptional: Yes
Call by Reference: No ( called with pass by value option)
TABLES Parameters details for VCH_TABLE_MAINTAIN_STRUCTURE
VAR_TAB_BASIC_DATA - Basic data of variant tables
Data type: TABLSTRUCTOptional: No
Call by Reference: No ( called with pass by value option)
VAR_TAB_CHARACTERISTICS - Characteristics in variant tables
Data type: VTCHARACTOptional: No
Call by Reference: No ( called with pass by value option)
VAR_TAB_VALUE_ASSIGNMENT_ALT - Value assignment alternatives for variant tables
Data type: VTVALASSIGOptional: Yes
Call by Reference: No ( called with pass by value option)
VAR_TAB_DESCRIPTIONS - Multi-lingual descriptions_
Data type: VTDESCRIPTOptional: No
Call by Reference: No ( called with pass by value option)
RETURN - Return Parameter
Data type: BAPIRET2Optional: Yes
Call by Reference: Yes
Copy and paste ABAP code example for VCH_TABLE_MAINTAIN_STRUCTURE 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_change_no | TYPE AENR-AENNR, " | |||
| lt_var_tab_basic_data | TYPE STANDARD TABLE OF TABLSTRUCT, " | |||
| lv_date | TYPE CLBASD-VAL_FROM, " | |||
| lt_var_tab_characteristics | TYPE STANDARD TABLE OF VTCHARACT, " | |||
| lv_testrun | TYPE XFELD, " | |||
| lt_var_tab_value_assignment_alt | TYPE STANDARD TABLE OF VTVALASSIG, " | |||
| lt_var_tab_descriptions | TYPE STANDARD TABLE OF VTDESCRIPT, " | |||
| lt_return | TYPE STANDARD TABLE OF BAPIRET2. " |
|   CALL FUNCTION 'VCH_TABLE_MAINTAIN_STRUCTURE' "Wrapper API for variant table maintenance |
| EXPORTING | ||
| CHANGE_NO | = lv_change_no | |
| DATE | = lv_date | |
| TESTRUN | = lv_testrun | |
| TABLES | ||
| VAR_TAB_BASIC_DATA | = lt_var_tab_basic_data | |
| VAR_TAB_CHARACTERISTICS | = lt_var_tab_characteristics | |
| VAR_TAB_VALUE_ASSIGNMENT_ALT | = lt_var_tab_value_assignment_alt | |
| VAR_TAB_DESCRIPTIONS | = lt_var_tab_descriptions | |
| RETURN | = lt_return | |
| . " VCH_TABLE_MAINTAIN_STRUCTURE | ||
ABAP code using 7.40 inline data declarations to call FM VCH_TABLE_MAINTAIN_STRUCTURE
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 AENNR FROM AENR INTO @DATA(ld_change_no). | ||||
| "SELECT single VAL_FROM FROM CLBASD INTO @DATA(ld_date). | ||||
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