ABAP Select data from SAP table RDISBM_BASIS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RDISBM_BASIS
*  INTO TABLE @DATA(IT_RDISBM_BASIS2).
*--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_RDISBM_BASIS INDEX 1 INTO DATA(WA_RDISBM_BASIS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RDISBM_BASIS>-PDISBM = 1.
<RDISBM_BASIS>-PDISBM_P = 1.
<RDISBM_BASIS>-BBWHRNET = 1.
<RDISBM_BASIS>-BBWHR = 1.
<RDISBM_BASIS>-SBWHR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RDISBM_BASIS-SNET, sy-vline,
  WA_RDISBM_BASIS-SGROSS, sy-vline,
  WA_RDISBM_BASIS-KURS2, sy-vline,
  WA_RDISBM_BASIS-BHWHR, sy-vline,
  WA_RDISBM_BASIS-BHWHRNET, sy-vline,
  WA_RDISBM_BASIS-WAERS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RDISBM_BASIS 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_RDISBM_BASIS 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_RDISBM_BASIS INTO WA_RDISBM_BASIS.


*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 EXCRT, internal->external for field KURS2
CALL FUNCTION 'CONVERSION_EXIT_EXCRT_OUTPUT'
  EXPORTING
    input =                      WA_RDISBM_BASIS-KURS2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RDISBM_BASIS-KURS2.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field HDN_KUNNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RDISBM_BASIS-HDN_KUNNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RDISBM_BASIS-HDN_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_RDISBM_BASIS_STR, 
PDISBM TYPE STRING,
PDISBM_P TYPE STRING,
BBWHRNET TYPE STRING,
BBWHR TYPE STRING,
SBWHR TYPE STRING,
SNET TYPE STRING,
SGROSS TYPE STRING,
KURS2 TYPE STRING,
BHWHR TYPE STRING,
BHWHRNET TYPE STRING,
WAERS TYPE STRING,
ICON1 TYPE STRING,
ICON2 TYPE STRING,
BVZWR TYPE STRING,
DGUEL_KK TYPE STRING,
KZAHLUNG TYPE STRING,
SBEWART TYPE STRING,
XSBEWART TYPE STRING,
DDISPO TYPE STRING,
DFAELL TYPE STRING,
DVALUT TYPE STRING,
VDXINCL TYPE STRING,
SVULT TYPE STRING,
SBUST TYPE STRING,
SGTXT TYPE STRING,
HDN_KUNNR TYPE STRING,
ZLSCH TYPE STRING,
XZLSCH TYPE STRING,
BVTYP TYPE STRING,
XBVTYP TYPE STRING,
HBKID TYPE STRING,
XHBKID TYPE STRING,
HKTID TYPE STRING,
XHKTID TYPE STRING,
SZART TYPE STRING,
BUKRS TYPE STRING,
DAUSZ TYPE STRING,
CURRENT_NR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RDISBM_BASIS_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_RDISBM_BASIS_STR-PDISBM sy-vline 
WA_RDISBM_BASIS_STR-PDISBM_P sy-vline 
WA_RDISBM_BASIS_STR-BBWHRNET sy-vline 
WA_RDISBM_BASIS_STR-BBWHR sy-vline 
WA_RDISBM_BASIS_STR-SBWHR sy-vline 
WA_RDISBM_BASIS_STR-SNET sy-vline 
WA_RDISBM_BASIS_STR-SGROSS sy-vline 
WA_RDISBM_BASIS_STR-KURS2 sy-vline 
WA_RDISBM_BASIS_STR-BHWHR sy-vline 
WA_RDISBM_BASIS_STR-BHWHRNET sy-vline 
WA_RDISBM_BASIS_STR-WAERS sy-vline 
WA_RDISBM_BASIS_STR-ICON1 sy-vline 
WA_RDISBM_BASIS_STR-ICON2 sy-vline 
WA_RDISBM_BASIS_STR-BVZWR sy-vline 
WA_RDISBM_BASIS_STR-DGUEL_KK sy-vline 
WA_RDISBM_BASIS_STR-KZAHLUNG sy-vline 
WA_RDISBM_BASIS_STR-SBEWART sy-vline 
WA_RDISBM_BASIS_STR-XSBEWART sy-vline 
WA_RDISBM_BASIS_STR-DDISPO sy-vline 
WA_RDISBM_BASIS_STR-DFAELL sy-vline 
WA_RDISBM_BASIS_STR-DVALUT sy-vline 
WA_RDISBM_BASIS_STR-VDXINCL sy-vline 
WA_RDISBM_BASIS_STR-SVULT sy-vline 
WA_RDISBM_BASIS_STR-SBUST sy-vline 
WA_RDISBM_BASIS_STR-SGTXT sy-vline 
WA_RDISBM_BASIS_STR-HDN_KUNNR sy-vline 
WA_RDISBM_BASIS_STR-ZLSCH sy-vline 
WA_RDISBM_BASIS_STR-XZLSCH sy-vline 
WA_RDISBM_BASIS_STR-BVTYP sy-vline 
WA_RDISBM_BASIS_STR-XBVTYP sy-vline 
WA_RDISBM_BASIS_STR-HBKID sy-vline 
WA_RDISBM_BASIS_STR-XHBKID sy-vline 
WA_RDISBM_BASIS_STR-HKTID sy-vline 
WA_RDISBM_BASIS_STR-XHKTID sy-vline 
WA_RDISBM_BASIS_STR-SZART sy-vline 
WA_RDISBM_BASIS_STR-BUKRS sy-vline 
WA_RDISBM_BASIS_STR-DAUSZ sy-vline 
WA_RDISBM_BASIS_STR-CURRENT_NR sy-vline      INTO ld_text SEPARATED BY SPACE.

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