ABAP Select data from SAP table RCBUN0DIOT into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP RCBUN0DIOT 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 RCBUN0DIOT. 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 RCBUN0DIOT 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_RCBUN0DIOT TYPE STANDARD TABLE OF RCBUN0DIOT,
      WA_RCBUN0DIOT TYPE RCBUN0DIOT,
      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: <RCBUN0DIOT> TYPE RCBUN0DIOT.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_RCBUN0DIOT.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM RCBUN0DIOT
  INTO TABLE IT_RCBUN0DIOT.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RCBUN0DIOT
*  INTO TABLE @DATA(IT_RCBUN0DIOT2).
*--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_RCBUN0DIOT INDEX 1 INTO DATA(WA_RCBUN0DIOT2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_RCBUN0DIOT ASSIGNING <RCBUN0DIOT>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RCBUN0DIOT>-MARKFLG = 1.
<RCBUN0DIOT>-SELEFLG = 1.
<RCBUN0DIOT>-LINENO = 1.
<RCBUN0DIOT>-LINEMOD = 1.
<RCBUN0DIOT>-CHCOFLG = 1.

ENDLOOP.

LOOP AT IT_RCBUN0DIOT INTO WA_RCBUN0DIOT.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RCBUN0DIOT-LOCKMOD, sy-vline,
  WA_RCBUN0DIOT-INTRFLG, sy-vline,
  WA_RCBUN0DIOT-MANDT, sy-vline,
  WA_RCBUN0DIOT-RECN, sy-vline,
  WA_RCBUN0DIOT-ACTN, sy-vline,
  WA_RCBUN0DIOT-VALFR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RCBUN0DIOT 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_RCBUN0DIOT 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_RCBUN0DIOT INTO WA_RCBUN0DIOT.


*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 RECN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RCBUN0DIOT-RECN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RCBUN0DIOT-RECN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ACTN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RCBUN0DIOT-ACTN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RCBUN0DIOT-ACTN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field AENNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RCBUN0DIOT-AENNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RCBUN0DIOT-AENNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field OWNID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RCBUN0DIOT-OWNID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RCBUN0DIOT-OWNID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RECNROOT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RCBUN0DIOT-RECNROOT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RCBUN0DIOT-RECNROOT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RECNMST
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RCBUN0DIOT-RECNMST
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RCBUN0DIOT-RECNMST.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field RELU
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_RCBUN0DIOT-RELU
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RCBUN0DIOT-RELU.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field PAIU
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_RCBUN0DIOT-PAIU
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RCBUN0DIOT-PAIU.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field PAOU
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_RCBUN0DIOT-PAOU
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RCBUN0DIOT-PAOU.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field UPASI
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_RCBUN0DIOT-UPASI
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RCBUN0DIOT-UPASI.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field UPAGW
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_RCBUN0DIOT-UPAGW
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RCBUN0DIOT-UPAGW.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field EXC_QUANT_IP_U
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_RCBUN0DIOT-EXC_QUANT_IP_U
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RCBUN0DIOT-EXC_QUANT_IP_U.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field EXC_QUANT_OP_U
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_RCBUN0DIOT-EXC_QUANT_OP_U
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RCBUN0DIOT-EXC_QUANT_OP_U.
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_RCBUN0DIOT_STR, 
MARKFLG TYPE STRING,
SELEFLG TYPE STRING,
LINENO TYPE STRING,
LINEMOD TYPE STRING,
CHCOFLG TYPE STRING,
LOCKMOD TYPE STRING,
INTRFLG TYPE STRING,
MANDT TYPE STRING,
RECN TYPE STRING,
ACTN TYPE STRING,
VALFR TYPE STRING,
VALTO TYPE STRING,
AENNR TYPE STRING,
DELFLG TYPE STRING,
PARKFLG TYPE STRING,
CRDAT TYPE STRING,
CRNAM TYPE STRING,
UPDDAT TYPE STRING,
UPDNAM TYPE STRING,
SRSID TYPE STRING,
OWNID TYPE STRING,
RECNROOT TYPE STRING,
RECNMST TYPE STRING,
DPOT TYPE STRING,
HNU TYPE STRING,
RELQ TYPE STRING,
RELU TYPE STRING,
MULRQ TYPE STRING,
PIN TYPE STRING,
PINLQ TYPE STRING,
DGTA TYPE STRING,
SPPRO TYPE STRING,
PAI TYPE STRING,
PAIU TYPE STRING,
PAO TYPE STRING,
PAOU TYPE STRING,
PASI TYPE STRING,
UPASI TYPE STRING,
PAGW TYPE STRING,
UPAGW TYPE STRING,
HAZCHEM_CODE TYPE STRING,
EMSN1 TYPE STRING,
FLG_EMSN1_U TYPE STRING,
EMSN2 TYPE STRING,
FLG_EMSN2_U TYPE STRING,
STOWAGE TYPE STRING,
CARR_TYPE TYPE STRING,
FLG_PAI TYPE STRING,
FLG_PAO TYPE STRING,
FLG_PASI TYPE STRING,
FLG_PAGW TYPE STRING,
FLG_RELQ TYPE STRING,
FLG_MULRQ TYPE STRING,
FLG_RELQ_UNLIMIT TYPE STRING,
FLG_MULRQ_FORBID TYPE STRING,
PINEQ TYPE STRING,
EXC_QUANT_IP TYPE STRING,
EXC_QUANT_IP_U TYPE STRING,
EXC_QUANT_OP TYPE STRING,
EXC_QUANT_OP_U TYPE STRING,
FLG_EXC_QUANT_IP TYPE STRING,
FLG_EXC_QUANT_OP TYPE STRING,
LWDG TYPE STRING,
DGCL TYPE STRING,
DPOTD TYPE STRING,
LDBC TYPE STRING,
LDBCD TYPE STRING,
PGRO TYPE STRING,
HNUD TYPE STRING,
PIND TYPE STRING,
PINLQD TYPE STRING,
STOWAGE_D TYPE STRING,
RELQ_TXT TYPE STRING,
MULRQ_TXT TYPE STRING,
PAI_TXT TYPE STRING,
PAO_TXT TYPE STRING,
PASI_TXT TYPE STRING,
PAGW_TXT TYPE STRING,
PINEQD TYPE STRING,
EXC_QUANT_IP_TXT TYPE STRING,
EXC_QUANT_OP_TXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RCBUN0DIOT_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_RCBUN0DIOT_STR-MARKFLG sy-vline 
WA_RCBUN0DIOT_STR-SELEFLG sy-vline 
WA_RCBUN0DIOT_STR-LINENO sy-vline 
WA_RCBUN0DIOT_STR-LINEMOD sy-vline 
WA_RCBUN0DIOT_STR-CHCOFLG sy-vline 
WA_RCBUN0DIOT_STR-LOCKMOD sy-vline 
WA_RCBUN0DIOT_STR-INTRFLG sy-vline 
WA_RCBUN0DIOT_STR-MANDT sy-vline 
WA_RCBUN0DIOT_STR-RECN sy-vline 
WA_RCBUN0DIOT_STR-ACTN sy-vline 
WA_RCBUN0DIOT_STR-VALFR sy-vline 
WA_RCBUN0DIOT_STR-VALTO sy-vline 
WA_RCBUN0DIOT_STR-AENNR sy-vline 
WA_RCBUN0DIOT_STR-DELFLG sy-vline 
WA_RCBUN0DIOT_STR-PARKFLG sy-vline 
WA_RCBUN0DIOT_STR-CRDAT sy-vline 
WA_RCBUN0DIOT_STR-CRNAM sy-vline 
WA_RCBUN0DIOT_STR-UPDDAT sy-vline 
WA_RCBUN0DIOT_STR-UPDNAM sy-vline 
WA_RCBUN0DIOT_STR-SRSID sy-vline 
WA_RCBUN0DIOT_STR-OWNID sy-vline 
WA_RCBUN0DIOT_STR-RECNROOT sy-vline 
WA_RCBUN0DIOT_STR-RECNMST sy-vline 
WA_RCBUN0DIOT_STR-DPOT sy-vline 
WA_RCBUN0DIOT_STR-HNU sy-vline 
WA_RCBUN0DIOT_STR-RELQ sy-vline 
WA_RCBUN0DIOT_STR-RELU sy-vline 
WA_RCBUN0DIOT_STR-MULRQ sy-vline 
WA_RCBUN0DIOT_STR-PIN sy-vline 
WA_RCBUN0DIOT_STR-PINLQ sy-vline 
WA_RCBUN0DIOT_STR-DGTA sy-vline 
WA_RCBUN0DIOT_STR-SPPRO sy-vline 
WA_RCBUN0DIOT_STR-PAI sy-vline 
WA_RCBUN0DIOT_STR-PAIU sy-vline 
WA_RCBUN0DIOT_STR-PAO sy-vline 
WA_RCBUN0DIOT_STR-PAOU sy-vline 
WA_RCBUN0DIOT_STR-PASI sy-vline 
WA_RCBUN0DIOT_STR-UPASI sy-vline 
WA_RCBUN0DIOT_STR-PAGW sy-vline 
WA_RCBUN0DIOT_STR-UPAGW sy-vline 
WA_RCBUN0DIOT_STR-HAZCHEM_CODE sy-vline 
WA_RCBUN0DIOT_STR-EMSN1 sy-vline 
WA_RCBUN0DIOT_STR-FLG_EMSN1_U sy-vline 
WA_RCBUN0DIOT_STR-EMSN2 sy-vline 
WA_RCBUN0DIOT_STR-FLG_EMSN2_U sy-vline 
WA_RCBUN0DIOT_STR-STOWAGE sy-vline 
WA_RCBUN0DIOT_STR-CARR_TYPE sy-vline 
WA_RCBUN0DIOT_STR-FLG_PAI sy-vline 
WA_RCBUN0DIOT_STR-FLG_PAO sy-vline 
WA_RCBUN0DIOT_STR-FLG_PASI sy-vline 
WA_RCBUN0DIOT_STR-FLG_PAGW sy-vline 
WA_RCBUN0DIOT_STR-FLG_RELQ sy-vline 
WA_RCBUN0DIOT_STR-FLG_MULRQ sy-vline 
WA_RCBUN0DIOT_STR-FLG_RELQ_UNLIMIT sy-vline 
WA_RCBUN0DIOT_STR-FLG_MULRQ_FORBID sy-vline 
WA_RCBUN0DIOT_STR-PINEQ sy-vline 
WA_RCBUN0DIOT_STR-EXC_QUANT_IP sy-vline 
WA_RCBUN0DIOT_STR-EXC_QUANT_IP_U sy-vline 
WA_RCBUN0DIOT_STR-EXC_QUANT_OP sy-vline 
WA_RCBUN0DIOT_STR-EXC_QUANT_OP_U sy-vline 
WA_RCBUN0DIOT_STR-FLG_EXC_QUANT_IP sy-vline 
WA_RCBUN0DIOT_STR-FLG_EXC_QUANT_OP sy-vline 
WA_RCBUN0DIOT_STR-LWDG sy-vline 
WA_RCBUN0DIOT_STR-DGCL sy-vline 
WA_RCBUN0DIOT_STR-DPOTD sy-vline 
WA_RCBUN0DIOT_STR-LDBC sy-vline 
WA_RCBUN0DIOT_STR-LDBCD sy-vline 
WA_RCBUN0DIOT_STR-PGRO sy-vline 
WA_RCBUN0DIOT_STR-HNUD sy-vline 
WA_RCBUN0DIOT_STR-PIND sy-vline 
WA_RCBUN0DIOT_STR-PINLQD sy-vline 
WA_RCBUN0DIOT_STR-STOWAGE_D sy-vline 
WA_RCBUN0DIOT_STR-RELQ_TXT sy-vline 
WA_RCBUN0DIOT_STR-MULRQ_TXT sy-vline 
WA_RCBUN0DIOT_STR-PAI_TXT sy-vline 
WA_RCBUN0DIOT_STR-PAO_TXT sy-vline 
WA_RCBUN0DIOT_STR-PASI_TXT sy-vline 
WA_RCBUN0DIOT_STR-PAGW_TXT sy-vline 
WA_RCBUN0DIOT_STR-PINEQD sy-vline 
WA_RCBUN0DIOT_STR-EXC_QUANT_IP_TXT sy-vline 
WA_RCBUN0DIOT_STR-EXC_QUANT_OP_TXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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