ABAP Select data from SAP table RDISB_DETAIL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RDISB_DETAIL
*  INTO TABLE @DATA(IT_RDISB_DETAIL2).
*--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_RDISB_DETAIL INDEX 1 INTO DATA(WA_RDISB_DETAIL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RDISB_DETAIL>-BUKRS = 1.
<RDISB_DETAIL>-RANL = 1.
<RDISB_DETAIL>-DTRANS = 1.
<RDISB_DETAIL>-TTRANS = 1.
<RDISB_DETAIL>-NTRANS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RDISB_DETAIL-DISB_STATUS, sy-vline,
  WA_RDISB_DETAIL-SBEWART, sy-vline,
  WA_RDISB_DETAIL-XBEWART, sy-vline,
  WA_RDISB_DETAIL-SZART, sy-vline,
  WA_RDISB_DETAIL-SGTXT, sy-vline,
  WA_RDISB_DETAIL-DDISPO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RDISB_DETAIL 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_RDISB_DETAIL 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_RDISB_DETAIL INTO WA_RDISB_DETAIL.


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

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

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

*Conversion exit EXCRT, internal->external for field KURS2
CALL FUNCTION 'CONVERSION_EXIT_EXCRT_OUTPUT'
  EXPORTING
    input =                      WA_RDISB_DETAIL-KURS2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RDISB_DETAIL-KURS2.
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_RDISB_DETAIL_STR, 
BUKRS TYPE STRING,
RANL TYPE STRING,
DTRANS TYPE STRING,
TTRANS TYPE STRING,
NTRANS TYPE STRING,
DISB_STATUS TYPE STRING,
SBEWART TYPE STRING,
XBEWART TYPE STRING,
SZART TYPE STRING,
SGTXT TYPE STRING,
DDISPO TYPE STRING,
DVALUT TYPE STRING,
DAUSZ TYPE STRING,
SBUST TYPE STRING,
KUNNR TYPE STRING,
HKTID TYPE STRING,
HBKID TYPE STRING,
REMIT_INFO TYPE STRING,
BVTYP TYPE STRING,
ZLSCH TYPE STRING,
SVULT TYPE STRING,
VDXINCL TYPE STRING,
ZUONR TYPE STRING,
RBANKK TYPE STRING,
BAUSMAX TYPE STRING,
SANTWHR TYPE STRING,
DGUEL_KK TYPE STRING,
BAUSBEI TYPE STRING,
KZAHLUNG TYPE STRING,
PAUSPRO TYPE STRING,
BBWHR TYPE STRING,
SBWHR TYPE STRING,
BCWHR TYPE STRING,
SCWHR TYPE STRING,
BZHLGNET TYPE STRING,
BZHLGNETHW TYPE STRING,
KURS2 TYPE STRING,
WAERS TYPE STRING,
BHWHR TYPE STRING,
BVAWR TYPE STRING,
BAVWR TYPE STRING,
BRIWR TYPE STRING,
BVZWR TYPE STRING,
BVKWR TYPE STRING,
BRESVER TYPE STRING,
DBUDAT TYPE STRING,
RERF TYPE STRING,
CREATE_TIME_STAMP TYPE STRING,
REHER TYPE STRING,
RBEAR TYPE STRING,
LASTCHNG_TIME_STAMP TYPE STRING,
RBHER TYPE STRING,
BPCA_ID TYPE STRING,
BPCA_TYPE_CODE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RDISB_DETAIL_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_RDISB_DETAIL_STR-BUKRS sy-vline 
WA_RDISB_DETAIL_STR-RANL sy-vline 
WA_RDISB_DETAIL_STR-DTRANS sy-vline 
WA_RDISB_DETAIL_STR-TTRANS sy-vline 
WA_RDISB_DETAIL_STR-NTRANS sy-vline 
WA_RDISB_DETAIL_STR-DISB_STATUS sy-vline 
WA_RDISB_DETAIL_STR-SBEWART sy-vline 
WA_RDISB_DETAIL_STR-XBEWART sy-vline 
WA_RDISB_DETAIL_STR-SZART sy-vline 
WA_RDISB_DETAIL_STR-SGTXT sy-vline 
WA_RDISB_DETAIL_STR-DDISPO sy-vline 
WA_RDISB_DETAIL_STR-DVALUT sy-vline 
WA_RDISB_DETAIL_STR-DAUSZ sy-vline 
WA_RDISB_DETAIL_STR-SBUST sy-vline 
WA_RDISB_DETAIL_STR-KUNNR sy-vline 
WA_RDISB_DETAIL_STR-HKTID sy-vline 
WA_RDISB_DETAIL_STR-HBKID sy-vline 
WA_RDISB_DETAIL_STR-REMIT_INFO sy-vline 
WA_RDISB_DETAIL_STR-BVTYP sy-vline 
WA_RDISB_DETAIL_STR-ZLSCH sy-vline 
WA_RDISB_DETAIL_STR-SVULT sy-vline 
WA_RDISB_DETAIL_STR-VDXINCL sy-vline 
WA_RDISB_DETAIL_STR-ZUONR sy-vline 
WA_RDISB_DETAIL_STR-RBANKK sy-vline 
WA_RDISB_DETAIL_STR-BAUSMAX sy-vline 
WA_RDISB_DETAIL_STR-SANTWHR sy-vline 
WA_RDISB_DETAIL_STR-DGUEL_KK sy-vline 
WA_RDISB_DETAIL_STR-BAUSBEI sy-vline 
WA_RDISB_DETAIL_STR-KZAHLUNG sy-vline 
WA_RDISB_DETAIL_STR-PAUSPRO sy-vline 
WA_RDISB_DETAIL_STR-BBWHR sy-vline 
WA_RDISB_DETAIL_STR-SBWHR sy-vline 
WA_RDISB_DETAIL_STR-BCWHR sy-vline 
WA_RDISB_DETAIL_STR-SCWHR sy-vline 
WA_RDISB_DETAIL_STR-BZHLGNET sy-vline 
WA_RDISB_DETAIL_STR-BZHLGNETHW sy-vline 
WA_RDISB_DETAIL_STR-KURS2 sy-vline 
WA_RDISB_DETAIL_STR-WAERS sy-vline 
WA_RDISB_DETAIL_STR-BHWHR sy-vline 
WA_RDISB_DETAIL_STR-BVAWR sy-vline 
WA_RDISB_DETAIL_STR-BAVWR sy-vline 
WA_RDISB_DETAIL_STR-BRIWR sy-vline 
WA_RDISB_DETAIL_STR-BVZWR sy-vline 
WA_RDISB_DETAIL_STR-BVKWR sy-vline 
WA_RDISB_DETAIL_STR-BRESVER sy-vline 
WA_RDISB_DETAIL_STR-DBUDAT sy-vline 
WA_RDISB_DETAIL_STR-RERF sy-vline 
WA_RDISB_DETAIL_STR-CREATE_TIME_STAMP sy-vline 
WA_RDISB_DETAIL_STR-REHER sy-vline 
WA_RDISB_DETAIL_STR-RBEAR sy-vline 
WA_RDISB_DETAIL_STR-LASTCHNG_TIME_STAMP sy-vline 
WA_RDISB_DETAIL_STR-RBHER sy-vline 
WA_RDISB_DETAIL_STR-BPCA_ID sy-vline 
WA_RDISB_DETAIL_STR-BPCA_TYPE_CODE sy-vline      INTO ld_text SEPARATED BY SPACE.

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