SAP SDU_RELATION_SELECT Function Module for EDM Relationship Closure for a Set of Entity Types

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SDU_RELATION_SELECT is a standard sdu relation select SAP function module available within SAP R/3 or S/4 Hana systems, depending on your version and release level. It is used for EDM Relationship Closure for a Set of Entity Types 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 sdu relation select FM, simply by entering the name SDU_RELATION_SELECT into the relevant SAP transaction such as SE37 or SE38.

Function Group: SDUS
Program Name: SAPLSDUS
Main Program:
Appliation area: S
Release date: N/A
Mode(Normal, Remote etc): Normal Function Module
Update:

Function SDU_RELATION_SELECT 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 'SDU_RELATION_SELECT'"EDM Relationship Closure for a Set of Entity Types
  EXPORTING
*  LANGUAGE = SY-LANGU "In: language

TABLES
   SEL_ENT =  "In: set of entity types
   SEL_REL =  "Out: all relationships within the set

.

IMPORTING Parameters details for SDU_RELATION_SELECT

LANGUAGE - In: language

Data type: DM02T-SPRACHE
Default: SY-LANGU
Optional: Yes
Call by Reference: No ( called with pass by value option)

TABLES Parameters details for SDU_RELATION_SELECT

SEL_ENT - In: set of entity types

Data type: DM02V
Optional: No
Call by Reference: No ( called with pass by value option)

SEL_REL - Out: all relationships within the set

Data type: DM42V
Optional: No
Call by Reference: No ( called with pass by value option)

Copy and paste ABAP code example for SDU_RELATION_SELECT 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.

ABAP code using 7.40 inline data declarations to call FM SDU_RELATION_SELECT

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.

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