SAP LVC_FIELDCATALOG_MERGE Function Module for
LVC_FIELDCATALOG_MERGE is a standard lvc fieldcatalog merge SAP function module available within SAP R/3 or S/4 Hana systems, depending on your version and release level. It is used to perform a specific ABAP function and below is the pattern details, 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 lvc fieldcatalog merge FM, simply by entering the name LVC_FIELDCATALOG_MERGE into the relevant SAP transaction such as SE37 or SE38.
Function Group: SLVC
Program Name: SAPLSLVC
Main Program: SAPLSLVC
Appliation area:
Release date: N/A
Mode(Normal, Remote etc): Normal Function Module
Update:
Function LVC_FIELDCATALOG_MERGE 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 'LVC_FIELDCATALOG_MERGE'".
EXPORTING
* I_BUFFER_ACTIVE = "Buffer active
* I_STRUCTURE_NAME = "Structure name (structure, table, view)
* I_CLIENT_NEVER_DISPLAY = 'X' "Hide client fields
* I_BYPASSING_BUFFER = "Ignore buffer while reading
* I_INTERNAL_TABNAME = "Table Name
CHANGING
CT_FIELDCAT = "Field Catalog with Field Descriptions
EXCEPTIONS
INCONSISTENT_INTERFACE = 1 PROGRAM_ERROR = 2
IMPORTING Parameters details for LVC_FIELDCATALOG_MERGE
I_BUFFER_ACTIVE - Buffer active
Data type:Optional: Yes
Call by Reference: No ( called with pass by value option)
I_STRUCTURE_NAME - Structure name (structure, table, view)
Data type: DD02L-TABNAMEOptional: Yes
Call by Reference: No ( called with pass by value option)
I_CLIENT_NEVER_DISPLAY - Hide client fields
Data type: SLIS_CHAR_1Default: 'X'
Optional: Yes
Call by Reference: No ( called with pass by value option)
I_BYPASSING_BUFFER - Ignore buffer while reading
Data type: CHAR01Optional: Yes
Call by Reference: No ( called with pass by value option)
I_INTERNAL_TABNAME - Table Name
Data type: DD02L-TABNAMEOptional: Yes
Call by Reference: No ( called with pass by value option)
CHANGING Parameters details for LVC_FIELDCATALOG_MERGE
CT_FIELDCAT - Field Catalog with Field Descriptions
Data type: LVC_T_FCATOptional: No
Call by Reference: No ( called with pass by value option)
EXCEPTIONS details
INCONSISTENT_INTERFACE - Call parameter combination error
Data type:Optional: No
Call by Reference: No ( called with pass by value option)
PROGRAM_ERROR - Program Errors
Data type:Optional: No
Call by Reference: No ( called with pass by value option)
Copy and paste ABAP code example for LVC_FIELDCATALOG_MERGE 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_ct_fieldcat | TYPE LVC_T_FCAT, " | |||
lv_i_buffer_active | TYPE LVC_T_FCAT, " | |||
lv_inconsistent_interface | TYPE LVC_T_FCAT, " | |||
lv_program_error | TYPE LVC_T_FCAT, " | |||
lv_i_structure_name | TYPE DD02L-TABNAME, " | |||
lv_i_client_never_display | TYPE SLIS_CHAR_1, " 'X' | |||
lv_i_bypassing_buffer | TYPE CHAR01, " | |||
lv_i_internal_tabname | TYPE DD02L-TABNAME. " |
  CALL FUNCTION 'LVC_FIELDCATALOG_MERGE' " |
EXPORTING | ||
I_BUFFER_ACTIVE | = lv_i_buffer_active | |
I_STRUCTURE_NAME | = lv_i_structure_name | |
I_CLIENT_NEVER_DISPLAY | = lv_i_client_never_display | |
I_BYPASSING_BUFFER | = lv_i_bypassing_buffer | |
I_INTERNAL_TABNAME | = lv_i_internal_tabname | |
CHANGING | ||
CT_FIELDCAT | = lv_ct_fieldcat | |
EXCEPTIONS | ||
INCONSISTENT_INTERFACE = 1 | ||
PROGRAM_ERROR = 2 | ||
. " LVC_FIELDCATALOG_MERGE |
ABAP code using 7.40 inline data declarations to call FM LVC_FIELDCATALOG_MERGE
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 TABNAME FROM DD02L INTO @DATA(ld_i_structure_name). | ||||
DATA(ld_i_client_never_display) | = 'X'. | |||
"SELECT single TABNAME FROM DD02L INTO @DATA(ld_i_internal_tabname). | ||||
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