SAP RKE_EXTERNAL_DATA_GET_FIELDS Function Module for
RKE_EXTERNAL_DATA_GET_FIELDS is a standard rke external data get fields 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 rke external data get fields FM, simply by entering the name RKE_EXTERNAL_DATA_GET_FIELDS into the relevant SAP transaction such as SE37 or SE38.
Function Group: KEEX
Program Name: SAPLKEEX
Main Program:
Appliation area:
Release date: N/A
Mode(Normal, Remote etc): Normal Function Module
Update:

Function RKE_EXTERNAL_DATA_GET_FIELDS 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 'RKE_EXTERNAL_DATA_GET_FIELDS'".
EXPORTING
I_ERKRS = "
I_PA_TYPE = "
I_PLIKZ = "
TABLES
ETH_FIELDS = "
* ETH_DEPENDENCIES = "
EXCEPTIONS
WRONG_PARAMETERS = 1
IMPORTING Parameters details for RKE_EXTERNAL_DATA_GET_FIELDS
I_ERKRS -
Data type: TKEB-ERKRSOptional: No
Call by Reference: No ( called with pass by value option)
I_PA_TYPE -
Data type: CEDDB-PA_TYPEOptional: No
Call by Reference: No ( called with pass by value option)
I_PLIKZ -
Data type: CEST0-PLIKZOptional: No
Call by Reference: No ( called with pass by value option)
TABLES Parameters details for RKE_EXTERNAL_DATA_GET_FIELDS
ETH_FIELDS -
Data type: CDIFIEOptional: No
Call by Reference: No ( called with pass by value option)
ETH_DEPENDENCIES -
Data type: CDIDEPOptional: Yes
Call by Reference: No ( called with pass by value option)
EXCEPTIONS details
WRONG_PARAMETERS -
Data type:Optional: No
Call by Reference: No ( called with pass by value option)
Copy and paste ABAP code example for RKE_EXTERNAL_DATA_GET_FIELDS 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_erkrs | TYPE TKEB-ERKRS, " | |||
| lt_eth_fields | TYPE STANDARD TABLE OF CDIFIE, " | |||
| lv_wrong_parameters | TYPE CDIFIE, " | |||
| lv_i_pa_type | TYPE CEDDB-PA_TYPE, " | |||
| lt_eth_dependencies | TYPE STANDARD TABLE OF CDIDEP, " | |||
| lv_i_plikz | TYPE CEST0-PLIKZ. " |
|   CALL FUNCTION 'RKE_EXTERNAL_DATA_GET_FIELDS' " |
| EXPORTING | ||
| I_ERKRS | = lv_i_erkrs | |
| I_PA_TYPE | = lv_i_pa_type | |
| I_PLIKZ | = lv_i_plikz | |
| TABLES | ||
| ETH_FIELDS | = lt_eth_fields | |
| ETH_DEPENDENCIES | = lt_eth_dependencies | |
| EXCEPTIONS | ||
| WRONG_PARAMETERS = 1 | ||
| . " RKE_EXTERNAL_DATA_GET_FIELDS | ||
ABAP code using 7.40 inline data declarations to call FM RKE_EXTERNAL_DATA_GET_FIELDS
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 ERKRS FROM TKEB INTO @DATA(ld_i_erkrs). | ||||
| "SELECT single PA_TYPE FROM CEDDB INTO @DATA(ld_i_pa_type). | ||||
| "SELECT single PLIKZ FROM CEST0 INTO @DATA(ld_i_plikz). | ||||
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