Interfaces

 Interfaces

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New syntax for append- VALUE (new syntax 7.4+) in ABAP

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* We use APPEND statement to insert the records at the last of the internal table. * In SAP ABAP new syntax, we can use VALUE expression instead of APPEND statement. * Value expression is a powerful mechanism to declare as well as initialize the internal tables. * It is a powerful utility where we can achieve the result with minimal coding. * Value expression is of 2 types.      -  Define the type before using it with VALUE keyword. The type defined is structure type  or table type.      -  Using # character for type and use it with VALUE keyword. Report REPORT  zab_rp_append_value . TYPES :  BEGIN  OF  ls_stu ,          st_id ( 10 )    TYPE  n ,          st_name ( 15 )  TYPE  c ,         END  OF  ls_stu . DATA :  lt_stu  TYPE  TABLE...
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Custom entity/Action dialog in RAP using Unmanaged scenario

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A custom action is like a button (e.g., Approve , Submit ) shown in the Fiori app. A dialog is a popup where the user can enter some input before performing the action.                    Refer:-  Determination + Side effects(On Modify) in RAP Unmanaged                    Refer:-  Determination + Side effects (On Save) in RAP Unmanaged Step 1:   Create behavior definition for abstract entity.          * Right click on Core data service - New - data definition.          * Give name and description.          * Click on Next.          * Select Abstract entity with parameters and click on finish. @EndUserText.label: 'Abstart entity for status field' @Metadata.allowExtensions: true define abstract entity ZA_AB_STUH_13 //with parameters parameter_name : paramet...
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Read statement new syntax in ABAP. (7.4+).

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*  Before ABAP 7.4, we used READ TABLE statement to read the first matching record from the internal table  based upon key or index . * In SAP ABAP new syntax, instead of READ TABLE , we can use the table expressions. * We need to use the square bracket [ ], In the square bracket, we need to specify the key or index. * While using table expression, If the table entry does not exist, system throws the exception CX_SY_ITAB_LINE_NOT_FOUND. * Use line_exists statement to check the existence of a record. Report REPORT  zab_rp_read_new . TABLES :   vbak . SELECT-OPTIONS :   s_vbeln  FOR  vbak - vbeln . SELECT  vbeln , erdat , erzet , ernam , auart         FROM  vbak         INTO  TABLE  @DATA ( lt_vbak )          WHERE  vbeln  IN  @s_vbeln . WRITE :   'Index value'  COLOR  5 . READ  T...
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