ABAP Select data from SAP table RNERP_FI_BSIS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RNERP_FI_BSIS
*  INTO TABLE @DATA(IT_RNERP_FI_BSIS2).
*--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_RNERP_FI_BSIS INDEX 1 INTO DATA(WA_RNERP_FI_BSIS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RNERP_FI_BSIS>-MANDT = 1.
<RNERP_FI_BSIS>-BUKRS = 1.
<RNERP_FI_BSIS>-HKONT = 1.
<RNERP_FI_BSIS>-AUGDT = 1.
<RNERP_FI_BSIS>-AUGBL = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RNERP_FI_BSIS-ZUONR, sy-vline,
  WA_RNERP_FI_BSIS-GJAHR, sy-vline,
  WA_RNERP_FI_BSIS-BELNR, sy-vline,
  WA_RNERP_FI_BSIS-BUZEI, sy-vline,
  WA_RNERP_FI_BSIS-BUDAT, sy-vline,
  WA_RNERP_FI_BSIS-BLDAT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RNERP_FI_BSIS 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_RNERP_FI_BSIS 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_RNERP_FI_BSIS INTO WA_RNERP_FI_BSIS.


*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_RNERP_FI_BSIS_STR, 
MANDT TYPE STRING,
BUKRS TYPE STRING,
HKONT TYPE STRING,
AUGDT TYPE STRING,
AUGBL TYPE STRING,
ZUONR TYPE STRING,
GJAHR TYPE STRING,
BELNR TYPE STRING,
BUZEI TYPE STRING,
BUDAT TYPE STRING,
BLDAT TYPE STRING,
WAERS TYPE STRING,
XBLNR TYPE STRING,
BLART TYPE STRING,
MONAT TYPE STRING,
BSCHL TYPE STRING,
SHKZG TYPE STRING,
GSBER TYPE STRING,
MWSKZ TYPE STRING,
FKONT TYPE STRING,
DMBTR TYPE STRING,
WRBTR TYPE STRING,
MWSTS TYPE STRING,
WMWST TYPE STRING,
SGTXT TYPE STRING,
PROJN TYPE STRING,
AUFNR TYPE STRING,
WERKS TYPE STRING,
KOSTL TYPE STRING,
ZFBDT TYPE STRING,
XOPVW TYPE STRING,
VALUT TYPE STRING,
BSTAT TYPE STRING,
BDIFF TYPE STRING,
BDIF2 TYPE STRING,
VBUND TYPE STRING,
PSWSL TYPE STRING,
WVERW TYPE STRING,
DMBE2 TYPE STRING,
DMBE3 TYPE STRING,
MWST2 TYPE STRING,
MWST3 TYPE STRING,
BDIF3 TYPE STRING,
RDIF3 TYPE STRING,
XRAGL TYPE STRING,
PROJK TYPE STRING,
PRCTR TYPE STRING,
XSTOV TYPE STRING,
XARCH TYPE STRING,
PSWBT TYPE STRING,
XNEGP TYPE STRING,
RFZEI TYPE STRING,
CCBTC TYPE STRING,
XREF3 TYPE STRING,
BUPLA TYPE STRING,
PPDIFF TYPE STRING,
PPDIF2 TYPE STRING,
PPDIF3 TYPE STRING,
BEWAR TYPE STRING,
IMKEY TYPE STRING,
DABRZ TYPE STRING,
INTRENO TYPE STRING,
GRANT_NBR TYPE STRING,
FKBER TYPE STRING,
FIPOS TYPE STRING,
FISTL TYPE STRING,
GEBER TYPE STRING,
PPRCT TYPE STRING,
BUZID TYPE STRING,
AUGGJ TYPE STRING,
UZAWE TYPE STRING,
SEGMENT TYPE STRING,
PSEGMENT TYPE STRING,
PGEBER TYPE STRING,
PGRANT_NBR TYPE STRING,
MEASURE TYPE STRING,
BUDGET_PD TYPE STRING,
PBUDGET_PD TYPE STRING,
KIDNO TYPE STRING,
PROPMANO TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RNERP_FI_BSIS_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_RNERP_FI_BSIS_STR-MANDT sy-vline 
WA_RNERP_FI_BSIS_STR-BUKRS sy-vline 
WA_RNERP_FI_BSIS_STR-HKONT sy-vline 
WA_RNERP_FI_BSIS_STR-AUGDT sy-vline 
WA_RNERP_FI_BSIS_STR-AUGBL sy-vline 
WA_RNERP_FI_BSIS_STR-ZUONR sy-vline 
WA_RNERP_FI_BSIS_STR-GJAHR sy-vline 
WA_RNERP_FI_BSIS_STR-BELNR sy-vline 
WA_RNERP_FI_BSIS_STR-BUZEI sy-vline 
WA_RNERP_FI_BSIS_STR-BUDAT sy-vline 
WA_RNERP_FI_BSIS_STR-BLDAT sy-vline 
WA_RNERP_FI_BSIS_STR-WAERS sy-vline 
WA_RNERP_FI_BSIS_STR-XBLNR sy-vline 
WA_RNERP_FI_BSIS_STR-BLART sy-vline 
WA_RNERP_FI_BSIS_STR-MONAT sy-vline 
WA_RNERP_FI_BSIS_STR-BSCHL sy-vline 
WA_RNERP_FI_BSIS_STR-SHKZG sy-vline 
WA_RNERP_FI_BSIS_STR-GSBER sy-vline 
WA_RNERP_FI_BSIS_STR-MWSKZ sy-vline 
WA_RNERP_FI_BSIS_STR-FKONT sy-vline 
WA_RNERP_FI_BSIS_STR-DMBTR sy-vline 
WA_RNERP_FI_BSIS_STR-WRBTR sy-vline 
WA_RNERP_FI_BSIS_STR-MWSTS sy-vline 
WA_RNERP_FI_BSIS_STR-WMWST sy-vline 
WA_RNERP_FI_BSIS_STR-SGTXT sy-vline 
WA_RNERP_FI_BSIS_STR-PROJN sy-vline 
WA_RNERP_FI_BSIS_STR-AUFNR sy-vline 
WA_RNERP_FI_BSIS_STR-WERKS sy-vline 
WA_RNERP_FI_BSIS_STR-KOSTL sy-vline 
WA_RNERP_FI_BSIS_STR-ZFBDT sy-vline 
WA_RNERP_FI_BSIS_STR-XOPVW sy-vline 
WA_RNERP_FI_BSIS_STR-VALUT sy-vline 
WA_RNERP_FI_BSIS_STR-BSTAT sy-vline 
WA_RNERP_FI_BSIS_STR-BDIFF sy-vline 
WA_RNERP_FI_BSIS_STR-BDIF2 sy-vline 
WA_RNERP_FI_BSIS_STR-VBUND sy-vline 
WA_RNERP_FI_BSIS_STR-PSWSL sy-vline 
WA_RNERP_FI_BSIS_STR-WVERW sy-vline 
WA_RNERP_FI_BSIS_STR-DMBE2 sy-vline 
WA_RNERP_FI_BSIS_STR-DMBE3 sy-vline 
WA_RNERP_FI_BSIS_STR-MWST2 sy-vline 
WA_RNERP_FI_BSIS_STR-MWST3 sy-vline 
WA_RNERP_FI_BSIS_STR-BDIF3 sy-vline 
WA_RNERP_FI_BSIS_STR-RDIF3 sy-vline 
WA_RNERP_FI_BSIS_STR-XRAGL sy-vline 
WA_RNERP_FI_BSIS_STR-PROJK sy-vline 
WA_RNERP_FI_BSIS_STR-PRCTR sy-vline 
WA_RNERP_FI_BSIS_STR-XSTOV sy-vline 
WA_RNERP_FI_BSIS_STR-XARCH sy-vline 
WA_RNERP_FI_BSIS_STR-PSWBT sy-vline 
WA_RNERP_FI_BSIS_STR-XNEGP sy-vline 
WA_RNERP_FI_BSIS_STR-RFZEI sy-vline 
WA_RNERP_FI_BSIS_STR-CCBTC sy-vline 
WA_RNERP_FI_BSIS_STR-XREF3 sy-vline 
WA_RNERP_FI_BSIS_STR-BUPLA sy-vline 
WA_RNERP_FI_BSIS_STR-PPDIFF sy-vline 
WA_RNERP_FI_BSIS_STR-PPDIF2 sy-vline 
WA_RNERP_FI_BSIS_STR-PPDIF3 sy-vline 
WA_RNERP_FI_BSIS_STR-BEWAR sy-vline 
WA_RNERP_FI_BSIS_STR-IMKEY sy-vline 
WA_RNERP_FI_BSIS_STR-DABRZ sy-vline 
WA_RNERP_FI_BSIS_STR-INTRENO sy-vline 
WA_RNERP_FI_BSIS_STR-GRANT_NBR sy-vline 
WA_RNERP_FI_BSIS_STR-FKBER sy-vline 
WA_RNERP_FI_BSIS_STR-FIPOS sy-vline 
WA_RNERP_FI_BSIS_STR-FISTL sy-vline 
WA_RNERP_FI_BSIS_STR-GEBER sy-vline 
WA_RNERP_FI_BSIS_STR-PPRCT sy-vline 
WA_RNERP_FI_BSIS_STR-BUZID sy-vline 
WA_RNERP_FI_BSIS_STR-AUGGJ sy-vline 
WA_RNERP_FI_BSIS_STR-UZAWE sy-vline 
WA_RNERP_FI_BSIS_STR-SEGMENT sy-vline 
WA_RNERP_FI_BSIS_STR-PSEGMENT sy-vline 
WA_RNERP_FI_BSIS_STR-PGEBER sy-vline 
WA_RNERP_FI_BSIS_STR-PGRANT_NBR sy-vline 
WA_RNERP_FI_BSIS_STR-MEASURE sy-vline 
WA_RNERP_FI_BSIS_STR-BUDGET_PD sy-vline 
WA_RNERP_FI_BSIS_STR-PBUDGET_PD sy-vline 
WA_RNERP_FI_BSIS_STR-KIDNO sy-vline 
WA_RNERP_FI_BSIS_STR-PROPMANO sy-vline      INTO ld_text SEPARATED BY SPACE.

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