ABAP Select data from SAP table RPUBEN42_ALV4 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP RPUBEN42_ALV4 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 RPUBEN42_ALV4. 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 RPUBEN42_ALV4 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_RPUBEN42_ALV4 TYPE STANDARD TABLE OF RPUBEN42_ALV4,
      WA_RPUBEN42_ALV4 TYPE RPUBEN42_ALV4,
      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: <RPUBEN42_ALV4> TYPE RPUBEN42_ALV4.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_RPUBEN42_ALV4.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM RPUBEN42_ALV4
  INTO TABLE IT_RPUBEN42_ALV4.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RPUBEN42_ALV4
*  INTO TABLE @DATA(IT_RPUBEN42_ALV42).
*--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_RPUBEN42_ALV4 INDEX 1 INTO DATA(WA_RPUBEN42_ALV42).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_RPUBEN42_ALV4 ASSIGNING <RPUBEN42_ALV4>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RPUBEN42_ALV4>-BAREA = 1.
<RPUBEN42_ALV4>-BENGR = 1.
<RPUBEN42_ALV4>-BSTAT = 1.
<RPUBEN42_ALV4>-BPLAN = 1.
<RPUBEN42_ALV4>-BPCAT = 1.

ENDLOOP.

LOOP AT IT_RPUBEN42_ALV4 INTO WA_RPUBEN42_ALV4.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RPUBEN42_ALV4-PLTYP, sy-vline,
  WA_RPUBEN42_ALV4-PLSTA, sy-vline,
  WA_RPUBEN42_ALV4-CRENR, sy-vline,
  WA_RPUBEN42_ALV4-BCOST, sy-vline,
  WA_RPUBEN42_ALV4-BCOVE, sy-vline,
  WA_RPUBEN42_ALV4-BCRED, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RPUBEN42_ALV4 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_RPUBEN42_ALV4 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_RPUBEN42_ALV4 INTO WA_RPUBEN42_ALV4.


*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.
ENDFORM. 

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

TYPES: BEGIN OF T_RPUBEN42_ALV4_STR, 
BAREA TYPE STRING,
BENGR TYPE STRING,
BSTAT TYPE STRING,
BPLAN TYPE STRING,
BPCAT TYPE STRING,
PLTYP TYPE STRING,
PLSTA TYPE STRING,
CRENR TYPE STRING,
BCOST TYPE STRING,
BCOVE TYPE STRING,
BCRED TYPE STRING,
EECON TYPE STRING,
ERCON TYPE STRING,
BOPTI TYPE STRING,
DEPCV TYPE STRING,
BCOVR TYPE STRING,
INVGR TYPE STRING,
INVES TYPE STRING,
VESTI TYPE STRING,
AGEII TYPE STRING,
CRGRP TYPE STRING,
SALIN TYPE STRING,
AGEIN TYPE STRING,
LOSIN TYPE STRING,
SMOIN TYPE STRING,
GENIN TYPE STRING,
LIMIN TYPE STRING,
CV1IN TYPE STRING,
COVIN TYPE STRING,
FLXIN TYPE STRING,
EECIN TYPE STRING,
ERCIN TYPE STRING,
SALGR TYPE STRING,
AGEGR TYPE STRING,
LOSGR TYPE STRING,
GENDR TYPE STRING,
SMOKE TYPE STRING,
LIMIT TYPE STRING,
CSTV1 TYPE STRING,
COVGR TYPE STRING,
FLXGR TYPE STRING,
EECGR TYPE STRING,
ERCGR TYPE STRING,
BELIG TYPE STRING,
BTERM TYPE STRING,
ELIGR TYPE STRING,
TRMGR TYPE STRING,
DTTYP TYPE STRING,
OPTFR TYPE STRING,
DCVFR TYPE STRING,
OPTTO TYPE STRING,
DCVTO TYPE STRING,
CCVLM TYPE STRING,
CCNLM TYPE STRING,
EXPLN TYPE STRING,
PRPLN TYPE STRING,
COPLN TYPE STRING,
EVENT TYPE STRING,
EVTGR TYPE STRING,
ZIPGR TYPE STRING,
CPMOD TYPE STRING,
URLID TYPE STRING,
DYSPL TYPE STRING,
RLPVR TYPE STRING,
SUBTY TYPE STRING,
RLPGR TYPE STRING,
DATE1 TYPE STRING,
DATE2 TYPE STRING,
ALL_FIELDS1 TYPE STRING,
ALL_FIELDS2 TYPE STRING,
TABIX TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RPUBEN42_ALV4_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_RPUBEN42_ALV4_STR-BAREA sy-vline 
WA_RPUBEN42_ALV4_STR-BENGR sy-vline 
WA_RPUBEN42_ALV4_STR-BSTAT sy-vline 
WA_RPUBEN42_ALV4_STR-BPLAN sy-vline 
WA_RPUBEN42_ALV4_STR-BPCAT sy-vline 
WA_RPUBEN42_ALV4_STR-PLTYP sy-vline 
WA_RPUBEN42_ALV4_STR-PLSTA sy-vline 
WA_RPUBEN42_ALV4_STR-CRENR sy-vline 
WA_RPUBEN42_ALV4_STR-BCOST sy-vline 
WA_RPUBEN42_ALV4_STR-BCOVE sy-vline 
WA_RPUBEN42_ALV4_STR-BCRED sy-vline 
WA_RPUBEN42_ALV4_STR-EECON sy-vline 
WA_RPUBEN42_ALV4_STR-ERCON sy-vline 
WA_RPUBEN42_ALV4_STR-BOPTI sy-vline 
WA_RPUBEN42_ALV4_STR-DEPCV sy-vline 
WA_RPUBEN42_ALV4_STR-BCOVR sy-vline 
WA_RPUBEN42_ALV4_STR-INVGR sy-vline 
WA_RPUBEN42_ALV4_STR-INVES sy-vline 
WA_RPUBEN42_ALV4_STR-VESTI sy-vline 
WA_RPUBEN42_ALV4_STR-AGEII sy-vline 
WA_RPUBEN42_ALV4_STR-CRGRP sy-vline 
WA_RPUBEN42_ALV4_STR-SALIN sy-vline 
WA_RPUBEN42_ALV4_STR-AGEIN sy-vline 
WA_RPUBEN42_ALV4_STR-LOSIN sy-vline 
WA_RPUBEN42_ALV4_STR-SMOIN sy-vline 
WA_RPUBEN42_ALV4_STR-GENIN sy-vline 
WA_RPUBEN42_ALV4_STR-LIMIN sy-vline 
WA_RPUBEN42_ALV4_STR-CV1IN sy-vline 
WA_RPUBEN42_ALV4_STR-COVIN sy-vline 
WA_RPUBEN42_ALV4_STR-FLXIN sy-vline 
WA_RPUBEN42_ALV4_STR-EECIN sy-vline 
WA_RPUBEN42_ALV4_STR-ERCIN sy-vline 
WA_RPUBEN42_ALV4_STR-SALGR sy-vline 
WA_RPUBEN42_ALV4_STR-AGEGR sy-vline 
WA_RPUBEN42_ALV4_STR-LOSGR sy-vline 
WA_RPUBEN42_ALV4_STR-GENDR sy-vline 
WA_RPUBEN42_ALV4_STR-SMOKE sy-vline 
WA_RPUBEN42_ALV4_STR-LIMIT sy-vline 
WA_RPUBEN42_ALV4_STR-CSTV1 sy-vline 
WA_RPUBEN42_ALV4_STR-COVGR sy-vline 
WA_RPUBEN42_ALV4_STR-FLXGR sy-vline 
WA_RPUBEN42_ALV4_STR-EECGR sy-vline 
WA_RPUBEN42_ALV4_STR-ERCGR sy-vline 
WA_RPUBEN42_ALV4_STR-BELIG sy-vline 
WA_RPUBEN42_ALV4_STR-BTERM sy-vline 
WA_RPUBEN42_ALV4_STR-ELIGR sy-vline 
WA_RPUBEN42_ALV4_STR-TRMGR sy-vline 
WA_RPUBEN42_ALV4_STR-DTTYP sy-vline 
WA_RPUBEN42_ALV4_STR-OPTFR sy-vline 
WA_RPUBEN42_ALV4_STR-DCVFR sy-vline 
WA_RPUBEN42_ALV4_STR-OPTTO sy-vline 
WA_RPUBEN42_ALV4_STR-DCVTO sy-vline 
WA_RPUBEN42_ALV4_STR-CCVLM sy-vline 
WA_RPUBEN42_ALV4_STR-CCNLM sy-vline 
WA_RPUBEN42_ALV4_STR-EXPLN sy-vline 
WA_RPUBEN42_ALV4_STR-PRPLN sy-vline 
WA_RPUBEN42_ALV4_STR-COPLN sy-vline 
WA_RPUBEN42_ALV4_STR-EVENT sy-vline 
WA_RPUBEN42_ALV4_STR-EVTGR sy-vline 
WA_RPUBEN42_ALV4_STR-ZIPGR sy-vline 
WA_RPUBEN42_ALV4_STR-CPMOD sy-vline 
WA_RPUBEN42_ALV4_STR-URLID sy-vline 
WA_RPUBEN42_ALV4_STR-DYSPL sy-vline 
WA_RPUBEN42_ALV4_STR-RLPVR sy-vline 
WA_RPUBEN42_ALV4_STR-SUBTY sy-vline 
WA_RPUBEN42_ALV4_STR-RLPGR sy-vline 
WA_RPUBEN42_ALV4_STR-DATE1 sy-vline 
WA_RPUBEN42_ALV4_STR-DATE2 sy-vline 
WA_RPUBEN42_ALV4_STR-ALL_FIELDS1 sy-vline 
WA_RPUBEN42_ALV4_STR-ALL_FIELDS2 sy-vline 
WA_RPUBEN42_ALV4_STR-TABIX sy-vline      INTO ld_text SEPARATED BY SPACE.

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