ABAP Select data from SAP table V_TIVSCSEPARAM into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP V_TIVSCSEPARAM table and store it within an internal table, including using the newer @DATA inline declaration methods. It also shows you various ways to process this data using ABAP work area, inline declaration or field symbols including executing all the relevant CONVERSION_EXIT routines specific to V_TIVSCSEPARAM. See here for more generic Select statement tips.

Sometimes data within SAP is stored within the database table in a different format to what it is displayed to the user. These input/output conversation FM routines are what translates the data between the two formats.

There is also a full declaration of the V_TIVSCSEPARAM table where each field has a char/string type for you to simply copy and paste. This allows you to use processing that is only available to these field types such as the CONCATENATE statement.

DATA: IT_V_TIVSCSEPARAM TYPE STANDARD TABLE OF V_TIVSCSEPARAM,
      WA_V_TIVSCSEPARAM TYPE V_TIVSCSEPARAM,
      GD_STR TYPE STRING.

DATA: lo_typedescr type REF TO cl_abap_typedescr.
DATA: lv_fieldname type fieldname.

FIELD-SYMBOLS: <FIELD> TYPE any.
FIELD-SYMBOLS: <V_TIVSCSEPARAM> TYPE V_TIVSCSEPARAM.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_V_TIVSCSEPARAM.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM V_TIVSCSEPARAM
  INTO TABLE IT_V_TIVSCSEPARAM.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM V_TIVSCSEPARAM
*  INTO TABLE @DATA(IT_V_TIVSCSEPARAM2).
*--Further methods of using ABAP code to  select data from SAP database tables

*You can also declare the header/work area using the in-line DATA declaration method
READ TABLE IT_V_TIVSCSEPARAM INDEX 1 INTO DATA(WA_V_TIVSCSEPARAM2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_V_TIVSCSEPARAM ASSIGNING <V_TIVSCSEPARAM>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<V_TIVSCSEPARAM>-MANDT = 1.
<V_TIVSCSEPARAM>-PARAMKEY = 1.
<V_TIVSCSEPARAM>-XPARAMKEY = 1.
<V_TIVSCSEPARAM>-IS_ACTIVE = 1.
<V_TIVSCSEPARAM>-IS_DEFAULT = 1.

ENDLOOP.

LOOP AT IT_V_TIVSCSEPARAM INTO WA_V_TIVSCSEPARAM.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_V_TIVSCSEPARAM-IS_ACTIVE_RECO, sy-vline,
  WA_V_TIVSCSEPARAM-IS_DEFAULT_RECO, sy-vline,
  WA_V_TIVSCSEPARAM-IS_ACTIVE_RETN, sy-vline,
  WA_V_TIVSCSEPARAM-IS_DEFAULT_RETN, sy-vline,
  WA_V_TIVSCSEPARAM-IS_ACTIVE_RESA, sy-vline,
  WA_V_TIVSCSEPARAM-IS_DEFAULT_RESA, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_V_TIVSCSEPARAM you want to display...

  WRITE:/ sy-uline.
* Aternatively use generic code to Write field values (and NAME) to screen report
  DO.
    ASSIGN COMPONENT sy-index OF STRUCTURE wa_V_TIVSCSEPARAM TO <field>.
    IF sy-subrc <> 0. EXIT. ENDIF.
    WRITE:/ 'Field Value', <field>, sy-vline.
    gd_str = <field> .
    lo_typedescr ?= CL_ABAP_DATADESCR=>DESCRIBE_BY_DATA( <field> ).
    lv_fieldname = lo_typedescr->GET_RELATIVE_NAME( ).
    WRITE:/ 'Field Name', lv_fieldname.
  ENDDO.

  
*Redo loop but convert all fields from internal to out value  
LOOP AT IT_V_TIVSCSEPARAM INTO WA_V_TIVSCSEPARAM.


*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Convert all fields to display/output versions using conversion routines
  PERFORM convert_all_field_values CHANGING wa_EKKO.
	 
ENDLOOP.

  
*&---------------------------------------------------------------------*
*& Form convert_all_field_values
*&---------------------------------------------------------------------*
FORM convert_all_field_values CHANGING p_EKKO LIKE wa_EKKO.
DATA: ld_input(1000) TYPE c, ld_output(1000) TYPE C.

*Conversion exit ALPHA, internal->external for field ROUNDINGFLOWTYPE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_V_TIVSCSEPARAM-ROUNDINGFLOWTYPE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_TIVSCSEPARAM-ROUNDINGFLOWTYPE.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_V_TIVSCSEPARAM_STR, 
MANDT TYPE STRING,
PARAMKEY TYPE STRING,
XPARAMKEY TYPE STRING,
IS_ACTIVE TYPE STRING,
IS_DEFAULT TYPE STRING,
IS_ACTIVE_RECO TYPE STRING,
IS_DEFAULT_RECO TYPE STRING,
IS_ACTIVE_RETN TYPE STRING,
IS_DEFAULT_RETN TYPE STRING,
IS_ACTIVE_RESA TYPE STRING,
IS_DEFAULT_RESA TYPE STRING,
IS_TSCS TYPE STRING,
USE_PLAN_AP TYPE STRING,
CP_SEPARATE TYPE STRING,
DTAPE_ACCESS TYPE STRING,
DTAPE_NAME TYPE STRING,
MLTAPE_SORTBY TYPE STRING,
MLTAPE_ACCESS TYPE STRING,
MLTAPE_NAME TYPE STRING,
MLTAPE_OVERWRITE TYPE STRING,
USEVACPERC TYPE STRING,
ISBALANCE TYPE STRING,
RESTDISTIND TYPE STRING,
EXTRACHRGID TYPE STRING,
XEXTRACHRGID TYPE STRING,
ELIMINTBUSVOL TYPE STRING,
SERVERGRP TYPE STRING,
MAXTASKS TYPE STRING,
SPLITBYTAX TYPE STRING,
ALNEEDADVPAY TYPE STRING,
USEINSTSIMMEAS TYPE STRING,
CALCMETHPER TYPE STRING,
ADVPAYUSEDB TYPE STRING,
DONOTREADADVPAY TYPE STRING,
ROUNDINGFLOWTYPE TYPE STRING,
MLTAPE_EXTERNAL TYPE STRING,
IS_ACTIVE_REAA TYPE STRING,
IS_DEFAULT_REAA TYPE STRING,
USEITAX4OUTTAX TYPE STRING,
EXTRACHRGIDCOND TYPE STRING,
XEXTRACHRGIDCOND TYPE STRING,END OF T_EKKO_STR.
DATA: WA_V_TIVSCSEPARAM_STR type T_EKKO_STR.

DATA: ld_text TYPE string.

LOOP AT IT_EKKO INTO WA_EKKO.
  MOVE-CORRESPONDING wa_EKKO TO WA_EKKO_STR.
  CONCATENATE: sy-vline
WA_V_TIVSCSEPARAM_STR-MANDT sy-vline 
WA_V_TIVSCSEPARAM_STR-PARAMKEY sy-vline 
WA_V_TIVSCSEPARAM_STR-XPARAMKEY sy-vline 
WA_V_TIVSCSEPARAM_STR-IS_ACTIVE sy-vline 
WA_V_TIVSCSEPARAM_STR-IS_DEFAULT sy-vline 
WA_V_TIVSCSEPARAM_STR-IS_ACTIVE_RECO sy-vline 
WA_V_TIVSCSEPARAM_STR-IS_DEFAULT_RECO sy-vline 
WA_V_TIVSCSEPARAM_STR-IS_ACTIVE_RETN sy-vline 
WA_V_TIVSCSEPARAM_STR-IS_DEFAULT_RETN sy-vline 
WA_V_TIVSCSEPARAM_STR-IS_ACTIVE_RESA sy-vline 
WA_V_TIVSCSEPARAM_STR-IS_DEFAULT_RESA sy-vline 
WA_V_TIVSCSEPARAM_STR-IS_TSCS sy-vline 
WA_V_TIVSCSEPARAM_STR-USE_PLAN_AP sy-vline 
WA_V_TIVSCSEPARAM_STR-CP_SEPARATE sy-vline 
WA_V_TIVSCSEPARAM_STR-DTAPE_ACCESS sy-vline 
WA_V_TIVSCSEPARAM_STR-DTAPE_NAME sy-vline 
WA_V_TIVSCSEPARAM_STR-MLTAPE_SORTBY sy-vline 
WA_V_TIVSCSEPARAM_STR-MLTAPE_ACCESS sy-vline 
WA_V_TIVSCSEPARAM_STR-MLTAPE_NAME sy-vline 
WA_V_TIVSCSEPARAM_STR-MLTAPE_OVERWRITE sy-vline 
WA_V_TIVSCSEPARAM_STR-USEVACPERC sy-vline 
WA_V_TIVSCSEPARAM_STR-ISBALANCE sy-vline 
WA_V_TIVSCSEPARAM_STR-RESTDISTIND sy-vline 
WA_V_TIVSCSEPARAM_STR-EXTRACHRGID sy-vline 
WA_V_TIVSCSEPARAM_STR-XEXTRACHRGID sy-vline 
WA_V_TIVSCSEPARAM_STR-ELIMINTBUSVOL sy-vline 
WA_V_TIVSCSEPARAM_STR-SERVERGRP sy-vline 
WA_V_TIVSCSEPARAM_STR-MAXTASKS sy-vline 
WA_V_TIVSCSEPARAM_STR-SPLITBYTAX sy-vline 
WA_V_TIVSCSEPARAM_STR-ALNEEDADVPAY sy-vline 
WA_V_TIVSCSEPARAM_STR-USEINSTSIMMEAS sy-vline 
WA_V_TIVSCSEPARAM_STR-CALCMETHPER sy-vline 
WA_V_TIVSCSEPARAM_STR-ADVPAYUSEDB sy-vline 
WA_V_TIVSCSEPARAM_STR-DONOTREADADVPAY sy-vline 
WA_V_TIVSCSEPARAM_STR-ROUNDINGFLOWTYPE sy-vline 
WA_V_TIVSCSEPARAM_STR-MLTAPE_EXTERNAL sy-vline 
WA_V_TIVSCSEPARAM_STR-IS_ACTIVE_REAA sy-vline 
WA_V_TIVSCSEPARAM_STR-IS_DEFAULT_REAA sy-vline 
WA_V_TIVSCSEPARAM_STR-USEITAX4OUTTAX sy-vline 
WA_V_TIVSCSEPARAM_STR-EXTRACHRGIDCOND sy-vline 
WA_V_TIVSCSEPARAM_STR-XEXTRACHRGIDCOND sy-vline      INTO ld_text SEPARATED BY SPACE.

*Add any further fields from structure WA_EKKO_STR you want to CONCATENATE...
ENDLOOP.
ENDFORM.