SAP TWO_TABLE_DIFFERENCE_WLMV Function Module for Create Difference Table for Two WLMV Tables

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TWO_TABLE_DIFFERENCE_WLMV is a standard two table difference wlmv SAP function module available within SAP R/3 or S/4 Hana systems, depending on your version and release level. It is used for Create Difference Table for Two WLMV Tables 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 two table difference wlmv FM, simply by entering the name TWO_TABLE_DIFFERENCE_WLMV into the relevant SAP transaction such as SE37 or SE38.

Function Group: WLMV
Program Name: SAPLWLMV
Main Program: SAPLWLMV
Appliation area: W
Release date: N/A
Mode(Normal, Remote etc): Normal Function Module
Update:

Function TWO_TABLE_DIFFERENCE_WLMV 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 'TWO_TABLE_DIFFERENCE_WLMV'"Create Difference Table for Two WLMV Tables
TABLES
   MOTHER_TABLE =  "Source Table
   PART_TABLE =  "Comparison Table
   DIFF_TABLE =  "Table of missing entries

.

TABLES Parameters details for TWO_TABLE_DIFFERENCE_WLMV

MOTHER_TABLE - Source Table

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

PART_TABLE - Comparison Table

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

DIFF_TABLE - Table of missing entries

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

Copy and paste ABAP code example for TWO_TABLE_DIFFERENCE_WLMV 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 TWO_TABLE_DIFFERENCE_WLMV

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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