SAP MGW_READ_FIELDCATALOG Function Module for Read Field Catalog
MGW_READ_FIELDCATALOG is a standard mgw read fieldcatalog SAP function module available within SAP R/3 or S/4 Hana systems, depending on your version and release level. It is used for Read Field Catalog 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 mgw read fieldcatalog FM, simply by entering the name MGW_READ_FIELDCATALOG into the relevant SAP transaction such as SE37 or SE38.
Function Group: MGW_MATRIX_MAINTENANCE
Program Name: SAPLMGW_MATRIX_MAINTENANCE
Main Program: SAPLMGW_MATRIX_MAINTENANCE
Appliation area:
Release date: N/A
Mode(Normal, Remote etc): Normal Function Module
Update:

Function MGW_READ_FIELDCATALOG 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 'MGW_READ_FIELDCATALOG'"Read Field Catalog.
EXPORTING
I_FNAME = "Field Name In Full (Table Name + Hyphen + Field Name)
CHANGING
* C_ST130F = "Structure: T130F Extended to Include Table Name, Field Name
* C_DFIES = "DD Interface: Table Fields for DDIF_FIELDINFO_GET
EXCEPTIONS
NOT_FOUND = 1 WRONG_CALL = 2
IMPORTING Parameters details for MGW_READ_FIELDCATALOG
I_FNAME - Field Name In Full (Table Name + Hyphen + Field Name)
Data type: T130F-FNAMEOptional: No
Call by Reference: Yes
CHANGING Parameters details for MGW_READ_FIELDCATALOG
C_ST130F - Structure: T130F Extended to Include Table Name, Field Name
Data type: ST130FOptional: Yes
Call by Reference: Yes
C_DFIES - DD Interface: Table Fields for DDIF_FIELDINFO_GET
Data type: DFIESOptional: Yes
Call by Reference: Yes
EXCEPTIONS details
NOT_FOUND - Eintrag in T130F nicht gefunden
Data type:Optional: No
Call by Reference: Yes
WRONG_CALL - Feld nicht relevant
Data type:Optional: No
Call by Reference: Yes
Copy and paste ABAP code example for MGW_READ_FIELDCATALOG 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_i_fname | TYPE T130F-FNAME, " | |||
| lv_c_st130f | TYPE ST130F, " | |||
| lv_not_found | TYPE ST130F, " | |||
| lv_c_dfies | TYPE DFIES, " | |||
| lv_wrong_call | TYPE DFIES. " |
|   CALL FUNCTION 'MGW_READ_FIELDCATALOG' "Read Field Catalog |
| EXPORTING | ||
| I_FNAME | = lv_i_fname | |
| CHANGING | ||
| C_ST130F | = lv_c_st130f | |
| C_DFIES | = lv_c_dfies | |
| EXCEPTIONS | ||
| NOT_FOUND = 1 | ||
| WRONG_CALL = 2 | ||
| . " MGW_READ_FIELDCATALOG | ||
ABAP code using 7.40 inline data declarations to call FM MGW_READ_FIELDCATALOG
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 FNAME FROM T130F INTO @DATA(ld_i_fname). | ||||
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