ABAP Select data from SAP table RDM_S_BBY_CONDITIONS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RDM_S_BBY_CONDITIONS
*  INTO TABLE @DATA(IT_RDM_S_BBY_CONDITIONS2).
*--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_RDM_S_BBY_CONDITIONS INDEX 1 INTO DATA(WA_RDM_S_BBY_CONDITIONS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RDM_S_BBY_CONDITIONS>-KNUMH = 1.
<RDM_S_BBY_CONDITIONS>-KVEWE = 1.
<RDM_S_BBY_CONDITIONS>-KAPPL = 1.
<RDM_S_BBY_CONDITIONS>-KSCHL = 1.
<RDM_S_BBY_CONDITIONS>-KOTABNR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RDM_S_BBY_CONDITIONS-KBETR, sy-vline,
  WA_RDM_S_BBY_CONDITIONS-KONWA, sy-vline,
  WA_RDM_S_BBY_CONDITIONS-KPEIN, sy-vline,
  WA_RDM_S_BBY_CONDITIONS-KMEIN, sy-vline,
  WA_RDM_S_BBY_CONDITIONS-KZBZG, sy-vline,
  WA_RDM_S_BBY_CONDITIONS-DATAB, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RDM_S_BBY_CONDITIONS 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_RDM_S_BBY_CONDITIONS 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_RDM_S_BBY_CONDITIONS INTO WA_RDM_S_BBY_CONDITIONS.


*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 KOTAB, internal->external for field KOTABNR
CALL FUNCTION 'CONVERSION_EXIT_KOTAB_OUTPUT'
  EXPORTING
    input =                      WA_RDM_S_BBY_CONDITIONS-KOTABNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RDM_S_BBY_CONDITIONS-KOTABNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field KMEIN
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_RDM_S_BBY_CONDITIONS-KMEIN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RDM_S_BBY_CONDITIONS-KMEIN.
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_RDM_S_BBY_CONDITIONS_STR, 
KNUMH TYPE STRING,
KVEWE TYPE STRING,
KAPPL TYPE STRING,
KSCHL TYPE STRING,
KOTABNR TYPE STRING,
KBETR TYPE STRING,
KONWA TYPE STRING,
KPEIN TYPE STRING,
KMEIN TYPE STRING,
KZBZG TYPE STRING,
DATAB TYPE STRING,
DATBI TYPE STRING,
T_PROPVAL TYPE STRING,
T_SCALES TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RDM_S_BBY_CONDITIONS_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_RDM_S_BBY_CONDITIONS_STR-KNUMH sy-vline 
WA_RDM_S_BBY_CONDITIONS_STR-KVEWE sy-vline 
WA_RDM_S_BBY_CONDITIONS_STR-KAPPL sy-vline 
WA_RDM_S_BBY_CONDITIONS_STR-KSCHL sy-vline 
WA_RDM_S_BBY_CONDITIONS_STR-KOTABNR sy-vline 
WA_RDM_S_BBY_CONDITIONS_STR-KBETR sy-vline 
WA_RDM_S_BBY_CONDITIONS_STR-KONWA sy-vline 
WA_RDM_S_BBY_CONDITIONS_STR-KPEIN sy-vline 
WA_RDM_S_BBY_CONDITIONS_STR-KMEIN sy-vline 
WA_RDM_S_BBY_CONDITIONS_STR-KZBZG sy-vline 
WA_RDM_S_BBY_CONDITIONS_STR-DATAB sy-vline 
WA_RDM_S_BBY_CONDITIONS_STR-DATBI sy-vline 
WA_RDM_S_BBY_CONDITIONS_STR-T_PROPVAL sy-vline 
WA_RDM_S_BBY_CONDITIONS_STR-T_SCALES sy-vline      INTO ld_text SEPARATED BY SPACE.

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