ABAP Select data from SAP table RESBSV into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RESBSV
*  INTO TABLE @DATA(IT_RESBSV2).
*--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_RESBSV INDEX 1 INTO DATA(WA_RESBSV2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RESBSV>-MANDT = 1.
<RESBSV>-RSNUM = 1.
<RESBSV>-RSPOS = 1.
<RESBSV>-RSART = 1.
<RESBSV>-ROHPS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RESBSV-DBSKZ, sy-vline,
  WA_RESBSV-MEINS, sy-vline,
  WA_RESBSV-ERFMG, sy-vline,
  WA_RESBSV-ERFME, sy-vline,
  WA_RESBSV-ENMNG, sy-vline,
  WA_RESBSV-FLMNG, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RESBSV 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_RESBSV 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_RESBSV INTO WA_RESBSV.


*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 CUNIT, internal->external for field MEINS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_RESBSV-MEINS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RESBSV-MEINS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field ERFME
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_RESBSV-ERFME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RESBSV-ERFME.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field ROKME
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_RESBSV-ROKME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RESBSV-ROKME.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field ROMEI
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_RESBSV-ROMEI
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RESBSV-ROMEI.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_RESBSV-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RESBSV-MATNR.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ABPSP, internal->external for field PSPEL
CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT'
  EXPORTING
    input =                      WA_RESBSV-PSPEL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RESBSV-PSPEL.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit NUMCV, internal->external for field POSNR
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_RESBSV-POSNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RESBSV-POSNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit NUMCV, internal->external for field REVLV
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_RESBSV-REVLV
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RESBSV-REVLV.
WRITE:/ 'New Value:', ld_input.

*Conversion exit NUMCV, internal->external for field STLNR
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_RESBSV-STLNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RESBSV-STLNR.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit NUMCV, internal->external for field VORNR
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_RESBSV-VORNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RESBSV-VORNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field EINHEIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_RESBSV-EINHEIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RESBSV-EINHEIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field DI_KUNNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RESBSV-DI_KUNNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RESBSV-DI_KUNNR.
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_RESBSV_STR, 
MANDT TYPE STRING,
RSNUM TYPE STRING,
RSPOS TYPE STRING,
RSART TYPE STRING,
ROHPS TYPE STRING,
DBSKZ TYPE STRING,
MEINS TYPE STRING,
ERFMG TYPE STRING,
ERFME TYPE STRING,
ENMNG TYPE STRING,
FLMNG TYPE STRING,
NOMNG TYPE STRING,
ESMNG TYPE STRING,
ROMEN TYPE STRING,
ROKME TYPE STRING,
ROMS1 TYPE STRING,
ROMS2 TYPE STRING,
ROMS3 TYPE STRING,
ROMEI TYPE STRING,
RFORM TYPE STRING,
ALPOS TYPE STRING,
ALPRF TYPE STRING,
SPLKZ TYPE STRING,
EWAHR TYPE STRING,
ROANZ TYPE STRING,
XLOEK TYPE STRING,
DUMPS TYPE STRING,
POSTP TYPE STRING,
SHKZG TYPE STRING,
SCHGT TYPE STRING,
KZAUS TYPE STRING,
SPLRV TYPE STRING,
KZEAR TYPE STRING,
MATNR TYPE STRING,
WERKS TYPE STRING,
LGORT TYPE STRING,
CHARG TYPE STRING,
KDAUF TYPE STRING,
KDPOS TYPE STRING,
PSPEL TYPE STRING,
PRREG TYPE STRING,
SOBKZ TYPE STRING,
AUFNR TYPE STRING,
PLNUM TYPE STRING,
POSNR TYPE STRING,
BDTER TYPE STRING,
BDMNG TYPE STRING,
VMENG TYPE STRING,
XFEHL TYPE STRING,
REVLV TYPE STRING,
UMREN TYPE STRING,
UMREZ TYPE STRING,
ALPST TYPE STRING,
ALPGR TYPE STRING,
KFPOS TYPE STRING,
STLTY TYPE STRING,
STLNR TYPE STRING,
STLKN TYPE STRING,
STPOZ TYPE STRING,
FLGAT TYPE STRING,
APLZL TYPE STRING,
PLNFL TYPE STRING,
VORNR TYPE STRING,
XWAOK TYPE STRING,
NFEAG TYPE STRING,
NFGRP TYPE STRING,
NFUML TYPE STRING,
AUFST TYPE STRING,
AUFWG TYPE STRING,
FMENG TYPE STRING,
SBTER TYPE STRING,
BDART TYPE STRING,
UMWRK TYPE STRING,
UMLGO TYPE STRING,
TXTPS TYPE STRING,
NO_DISP TYPE STRING,
INDBT TYPE STRING,
FLG_SEL TYPE STRING,
SELKZ TYPE STRING,
MATXT TYPE STRING,
AUART TYPE STRING,
KORKZ TYPE STRING,
MENGE TYPE STRING,
DVMENG TYPE STRING,
EINHEIT TYPE STRING,
KZKFG TYPE STRING,
BEIKZ TYPE STRING,
OBJNR TYPE STRING,
AUFPL TYPE STRING,
CUOBJ TYPE STRING,
POSGUID TYPE STRING,
VORAB TYPE STRING,
STVKN TYPE STRING,
BDZTP TYPE STRING,
TBMNG TYPE STRING,
INPOS TYPE STRING,
KZKUP TYPE STRING,
SGT_RCAT TYPE STRING,
DI_KUNNR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RESBSV_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_RESBSV_STR-MANDT sy-vline 
WA_RESBSV_STR-RSNUM sy-vline 
WA_RESBSV_STR-RSPOS sy-vline 
WA_RESBSV_STR-RSART sy-vline 
WA_RESBSV_STR-ROHPS sy-vline 
WA_RESBSV_STR-DBSKZ sy-vline 
WA_RESBSV_STR-MEINS sy-vline 
WA_RESBSV_STR-ERFMG sy-vline 
WA_RESBSV_STR-ERFME sy-vline 
WA_RESBSV_STR-ENMNG sy-vline 
WA_RESBSV_STR-FLMNG sy-vline 
WA_RESBSV_STR-NOMNG sy-vline 
WA_RESBSV_STR-ESMNG sy-vline 
WA_RESBSV_STR-ROMEN sy-vline 
WA_RESBSV_STR-ROKME sy-vline 
WA_RESBSV_STR-ROMS1 sy-vline 
WA_RESBSV_STR-ROMS2 sy-vline 
WA_RESBSV_STR-ROMS3 sy-vline 
WA_RESBSV_STR-ROMEI sy-vline 
WA_RESBSV_STR-RFORM sy-vline 
WA_RESBSV_STR-ALPOS sy-vline 
WA_RESBSV_STR-ALPRF sy-vline 
WA_RESBSV_STR-SPLKZ sy-vline 
WA_RESBSV_STR-EWAHR sy-vline 
WA_RESBSV_STR-ROANZ sy-vline 
WA_RESBSV_STR-XLOEK sy-vline 
WA_RESBSV_STR-DUMPS sy-vline 
WA_RESBSV_STR-POSTP sy-vline 
WA_RESBSV_STR-SHKZG sy-vline 
WA_RESBSV_STR-SCHGT sy-vline 
WA_RESBSV_STR-KZAUS sy-vline 
WA_RESBSV_STR-SPLRV sy-vline 
WA_RESBSV_STR-KZEAR sy-vline 
WA_RESBSV_STR-MATNR sy-vline 
WA_RESBSV_STR-WERKS sy-vline 
WA_RESBSV_STR-LGORT sy-vline 
WA_RESBSV_STR-CHARG sy-vline 
WA_RESBSV_STR-KDAUF sy-vline 
WA_RESBSV_STR-KDPOS sy-vline 
WA_RESBSV_STR-PSPEL sy-vline 
WA_RESBSV_STR-PRREG sy-vline 
WA_RESBSV_STR-SOBKZ sy-vline 
WA_RESBSV_STR-AUFNR sy-vline 
WA_RESBSV_STR-PLNUM sy-vline 
WA_RESBSV_STR-POSNR sy-vline 
WA_RESBSV_STR-BDTER sy-vline 
WA_RESBSV_STR-BDMNG sy-vline 
WA_RESBSV_STR-VMENG sy-vline 
WA_RESBSV_STR-XFEHL sy-vline 
WA_RESBSV_STR-REVLV sy-vline 
WA_RESBSV_STR-UMREN sy-vline 
WA_RESBSV_STR-UMREZ sy-vline 
WA_RESBSV_STR-ALPST sy-vline 
WA_RESBSV_STR-ALPGR sy-vline 
WA_RESBSV_STR-KFPOS sy-vline 
WA_RESBSV_STR-STLTY sy-vline 
WA_RESBSV_STR-STLNR sy-vline 
WA_RESBSV_STR-STLKN sy-vline 
WA_RESBSV_STR-STPOZ sy-vline 
WA_RESBSV_STR-FLGAT sy-vline 
WA_RESBSV_STR-APLZL sy-vline 
WA_RESBSV_STR-PLNFL sy-vline 
WA_RESBSV_STR-VORNR sy-vline 
WA_RESBSV_STR-XWAOK sy-vline 
WA_RESBSV_STR-NFEAG sy-vline 
WA_RESBSV_STR-NFGRP sy-vline 
WA_RESBSV_STR-NFUML sy-vline 
WA_RESBSV_STR-AUFST sy-vline 
WA_RESBSV_STR-AUFWG sy-vline 
WA_RESBSV_STR-FMENG sy-vline 
WA_RESBSV_STR-SBTER sy-vline 
WA_RESBSV_STR-BDART sy-vline 
WA_RESBSV_STR-UMWRK sy-vline 
WA_RESBSV_STR-UMLGO sy-vline 
WA_RESBSV_STR-TXTPS sy-vline 
WA_RESBSV_STR-NO_DISP sy-vline 
WA_RESBSV_STR-INDBT sy-vline 
WA_RESBSV_STR-FLG_SEL sy-vline 
WA_RESBSV_STR-SELKZ sy-vline 
WA_RESBSV_STR-MATXT sy-vline 
WA_RESBSV_STR-AUART sy-vline 
WA_RESBSV_STR-KORKZ sy-vline 
WA_RESBSV_STR-MENGE sy-vline 
WA_RESBSV_STR-DVMENG sy-vline 
WA_RESBSV_STR-EINHEIT sy-vline 
WA_RESBSV_STR-KZKFG sy-vline 
WA_RESBSV_STR-BEIKZ sy-vline 
WA_RESBSV_STR-OBJNR sy-vline 
WA_RESBSV_STR-AUFPL sy-vline 
WA_RESBSV_STR-CUOBJ sy-vline 
WA_RESBSV_STR-POSGUID sy-vline 
WA_RESBSV_STR-VORAB sy-vline 
WA_RESBSV_STR-STVKN sy-vline 
WA_RESBSV_STR-BDZTP sy-vline 
WA_RESBSV_STR-TBMNG sy-vline 
WA_RESBSV_STR-INPOS sy-vline 
WA_RESBSV_STR-KZKUP sy-vline 
WA_RESBSV_STR-SGT_RCAT sy-vline 
WA_RESBSV_STR-DI_KUNNR sy-vline      INTO ld_text SEPARATED BY SPACE.

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