ABAP Select data from SAP table RPBEN_O1 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP RPBEN_O1 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 RPBEN_O1. 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 RPBEN_O1 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_RPBEN_O1 TYPE STANDARD TABLE OF RPBEN_O1,
      WA_RPBEN_O1 TYPE RPBEN_O1,
      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: <RPBEN_O1> TYPE RPBEN_O1.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_RPBEN_O1.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM RPBEN_O1
  INTO TABLE IT_RPBEN_O1.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RPBEN_O1
*  INTO TABLE @DATA(IT_RPBEN_O12).
*--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_RPBEN_O1 INDEX 1 INTO DATA(WA_RPBEN_O12).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_RPBEN_O1 ASSIGNING <RPBEN_O1>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RPBEN_O1>-PERNR = 1.
<RPBEN_O1>-DATUM = 1.
<RPBEN_O1>-BEGDA = 1.
<RPBEN_O1>-ENDDA = 1.
<RPBEN_O1>-BAREA = 1.

ENDLOOP.

LOOP AT IT_RPBEN_O1 INTO WA_RPBEN_O1.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RPBEN_O1-BPCAT, sy-vline,
  WA_RPBEN_O1-PLTYP, sy-vline,
  WA_RPBEN_O1-BPLAN, sy-vline,
  WA_RPBEN_O1-ELIDT, sy-vline,
  WA_RPBEN_O1-PARDT, sy-vline,
  WA_RPBEN_O1-ENRTY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RPBEN_O1 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_RPBEN_O1 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_RPBEN_O1 INTO WA_RPBEN_O1.


*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_RPBEN_O1_STR, 
PERNR TYPE STRING,
DATUM TYPE STRING,
BEGDA TYPE STRING,
ENDDA TYPE STRING,
BAREA TYPE STRING,
BPCAT TYPE STRING,
PLTYP TYPE STRING,
BPLAN TYPE STRING,
ELIDT TYPE STRING,
PARDT TYPE STRING,
ENRTY TYPE STRING,
EVENT TYPE STRING,
ENROLLED TYPE STRING,
CUR_BEGDA TYPE STRING,
CUR_ENDDA TYPE STRING,
NOT_ELIG TYPE STRING,
CURRE TYPE STRING,
PERIO TYPE STRING,
MODEL TYPE STRING,
CRAMT TYPE STRING,
BENSL_CRED TYPE STRING,
CHG_BPLAN TYPE STRING,
ADD_BPLAN TYPE STRING,
DEL_BPLAN TYPE STRING,
TXT_BAREA TYPE STRING,
TXT_PCATEG TYPE STRING,
TXT_PLTYPE TYPE STRING,
TXT_PLAN TYPE STRING,
TXT_PERIOD TYPE STRING,
TXT_MODEL TYPE STRING,
URL_PLTYPE TYPE STRING,
TXT_URLPT TYPE STRING,
URL_PLAN TYPE STRING,
TXT_URLPL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RPBEN_O1_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_RPBEN_O1_STR-PERNR sy-vline 
WA_RPBEN_O1_STR-DATUM sy-vline 
WA_RPBEN_O1_STR-BEGDA sy-vline 
WA_RPBEN_O1_STR-ENDDA sy-vline 
WA_RPBEN_O1_STR-BAREA sy-vline 
WA_RPBEN_O1_STR-BPCAT sy-vline 
WA_RPBEN_O1_STR-PLTYP sy-vline 
WA_RPBEN_O1_STR-BPLAN sy-vline 
WA_RPBEN_O1_STR-ELIDT sy-vline 
WA_RPBEN_O1_STR-PARDT sy-vline 
WA_RPBEN_O1_STR-ENRTY sy-vline 
WA_RPBEN_O1_STR-EVENT sy-vline 
WA_RPBEN_O1_STR-ENROLLED sy-vline 
WA_RPBEN_O1_STR-CUR_BEGDA sy-vline 
WA_RPBEN_O1_STR-CUR_ENDDA sy-vline 
WA_RPBEN_O1_STR-NOT_ELIG sy-vline 
WA_RPBEN_O1_STR-CURRE sy-vline 
WA_RPBEN_O1_STR-PERIO sy-vline 
WA_RPBEN_O1_STR-MODEL sy-vline 
WA_RPBEN_O1_STR-CRAMT sy-vline 
WA_RPBEN_O1_STR-BENSL_CRED sy-vline 
WA_RPBEN_O1_STR-CHG_BPLAN sy-vline 
WA_RPBEN_O1_STR-ADD_BPLAN sy-vline 
WA_RPBEN_O1_STR-DEL_BPLAN sy-vline 
WA_RPBEN_O1_STR-TXT_BAREA sy-vline 
WA_RPBEN_O1_STR-TXT_PCATEG sy-vline 
WA_RPBEN_O1_STR-TXT_PLTYPE sy-vline 
WA_RPBEN_O1_STR-TXT_PLAN sy-vline 
WA_RPBEN_O1_STR-TXT_PERIOD sy-vline 
WA_RPBEN_O1_STR-TXT_MODEL sy-vline 
WA_RPBEN_O1_STR-URL_PLTYPE sy-vline 
WA_RPBEN_O1_STR-TXT_URLPT sy-vline 
WA_RPBEN_O1_STR-URL_PLAN sy-vline 
WA_RPBEN_O1_STR-TXT_URLPL sy-vline      INTO ld_text SEPARATED BY SPACE.

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