ABAP Select data from SAP table /DSD/SL_CLBSID_S into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /DSD/SL_CLBSID_S 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 /DSD/SL_CLBSID_S. 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 /DSD/SL_CLBSID_S 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_/DSD/SL_CLBSID_S TYPE STANDARD TABLE OF /DSD/SL_CLBSID_S,
      WA_/DSD/SL_CLBSID_S TYPE /DSD/SL_CLBSID_S,
      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: </DSD/SL_CLBSID_S> TYPE /DSD/SL_CLBSID_S.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /DSD/SL_CLBSID_S
  INTO TABLE IT_/DSD/SL_CLBSID_S.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /DSD/SL_CLBSID_S
*  INTO TABLE @DATA(IT_/DSD/SL_CLBSID_S2).
*--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_/DSD/SL_CLBSID_S INDEX 1 INTO DATA(WA_/DSD/SL_CLBSID_S2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/DSD/SL_CLBSID_S ASSIGNING </DSD/SL_CLBSID_S>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</DSD/SL_CLBSID_S>-BUKRS = 1.
</DSD/SL_CLBSID_S>-KUNNR = 1.
</DSD/SL_CLBSID_S>-GJAHR = 1.
</DSD/SL_CLBSID_S>-ITEM_NUM = 1.
</DSD/SL_CLBSID_S>-BELNR = 1.

ENDLOOP.

LOOP AT IT_/DSD/SL_CLBSID_S INTO WA_/DSD/SL_CLBSID_S.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/DSD/SL_CLBSID_S-BUDAT, sy-vline,
  WA_/DSD/SL_CLBSID_S-BLDAT, sy-vline,
  WA_/DSD/SL_CLBSID_S-WAERS, sy-vline,
  WA_/DSD/SL_CLBSID_S-BLART, sy-vline,
  WA_/DSD/SL_CLBSID_S-SHKZG, sy-vline,
  WA_/DSD/SL_CLBSID_S-DMBTR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/DSD/SL_CLBSID_S 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_/DSD/SL_CLBSID_S 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_/DSD/SL_CLBSID_S INTO WA_/DSD/SL_CLBSID_S.


*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 KUNNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/DSD/SL_CLBSID_S-KUNNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/DSD/SL_CLBSID_S-KUNNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_/DSD/SL_CLBSID_S-GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/DSD/SL_CLBSID_S-GJAHR.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field VBELN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/DSD/SL_CLBSID_S-VBELN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/DSD/SL_CLBSID_S-VBELN.
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_/DSD/SL_CLBSID_S_STR, 
BUKRS TYPE STRING,
KUNNR TYPE STRING,
GJAHR TYPE STRING,
ITEM_NUM TYPE STRING,
BELNR TYPE STRING,
BUDAT TYPE STRING,
BLDAT TYPE STRING,
WAERS TYPE STRING,
BLART TYPE STRING,
SHKZG TYPE STRING,
DMBTR TYPE STRING,
WRBTR TYPE STRING,
ZFBDT TYPE STRING,
ZTERM TYPE STRING,
ZBD1T TYPE STRING,
ZBD2T TYPE STRING,
ZBD1P TYPE STRING,
ZBD2P TYPE STRING,
SKFBT TYPE STRING,
SKNTO TYPE STRING,
WSKTO TYPE STRING,
VBELN TYPE STRING,
UMSKZ TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/DSD/SL_CLBSID_S_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_/DSD/SL_CLBSID_S_STR-BUKRS sy-vline 
WA_/DSD/SL_CLBSID_S_STR-KUNNR sy-vline 
WA_/DSD/SL_CLBSID_S_STR-GJAHR sy-vline 
WA_/DSD/SL_CLBSID_S_STR-ITEM_NUM sy-vline 
WA_/DSD/SL_CLBSID_S_STR-BELNR sy-vline 
WA_/DSD/SL_CLBSID_S_STR-BUDAT sy-vline 
WA_/DSD/SL_CLBSID_S_STR-BLDAT sy-vline 
WA_/DSD/SL_CLBSID_S_STR-WAERS sy-vline 
WA_/DSD/SL_CLBSID_S_STR-BLART sy-vline 
WA_/DSD/SL_CLBSID_S_STR-SHKZG sy-vline 
WA_/DSD/SL_CLBSID_S_STR-DMBTR sy-vline 
WA_/DSD/SL_CLBSID_S_STR-WRBTR sy-vline 
WA_/DSD/SL_CLBSID_S_STR-ZFBDT sy-vline 
WA_/DSD/SL_CLBSID_S_STR-ZTERM sy-vline 
WA_/DSD/SL_CLBSID_S_STR-ZBD1T sy-vline 
WA_/DSD/SL_CLBSID_S_STR-ZBD2T sy-vline 
WA_/DSD/SL_CLBSID_S_STR-ZBD1P sy-vline 
WA_/DSD/SL_CLBSID_S_STR-ZBD2P sy-vline 
WA_/DSD/SL_CLBSID_S_STR-SKFBT sy-vline 
WA_/DSD/SL_CLBSID_S_STR-SKNTO sy-vline 
WA_/DSD/SL_CLBSID_S_STR-WSKTO sy-vline 
WA_/DSD/SL_CLBSID_S_STR-VBELN sy-vline 
WA_/DSD/SL_CLBSID_S_STR-UMSKZ sy-vline      INTO ld_text SEPARATED BY SPACE.

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