ABAP Select data from SAP table RDM_S_BBY_KONBBYH_UPD 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_KONBBYH_UPD 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_KONBBYH_UPD. 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_KONBBYH_UPD 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_KONBBYH_UPD TYPE STANDARD TABLE OF RDM_S_BBY_KONBBYH_UPD,
      WA_RDM_S_BBY_KONBBYH_UPD TYPE RDM_S_BBY_KONBBYH_UPD,
      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_KONBBYH_UPD> TYPE RDM_S_BBY_KONBBYH_UPD.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RDM_S_BBY_KONBBYH_UPD
*  INTO TABLE @DATA(IT_RDM_S_BBY_KONBBYH_UPD2).
*--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_KONBBYH_UPD INDEX 1 INTO DATA(WA_RDM_S_BBY_KONBBYH_UPD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RDM_S_BBY_KONBBYH_UPD>-MANDT = 1.
<RDM_S_BBY_KONBBYH_UPD>-BBYNR = 1.
<RDM_S_BBY_KONBBYH_UPD>-CRDATE = 1.
<RDM_S_BBY_KONBBYH_UPD>-CRNAME = 1.
<RDM_S_BBY_KONBBYH_UPD>-CHDATE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RDM_S_BBY_KONBBYH_UPD-CHNAME, sy-vline,
  WA_RDM_S_BBY_KONBBYH_UPD-CATEG, sy-vline,
  WA_RDM_S_BBY_KONBBYH_UPD-TYPE, sy-vline,
  WA_RDM_S_BBY_KONBBYH_UPD-POINT, sy-vline,
  WA_RDM_S_BBY_KONBBYH_UPD-MAXCOUNT, sy-vline,
  WA_RDM_S_BBY_KONBBYH_UPD-BPROF, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RDM_S_BBY_KONBBYH_UPD 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_KONBBYH_UPD 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_KONBBYH_UPD INTO WA_RDM_S_BBY_KONBBYH_UPD.


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

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

*Conversion exit ALPHA, internal->external for field OFFER_ID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RDM_S_BBY_KONBBYH_UPD-OFFER_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RDM_S_BBY_KONBBYH_UPD-OFFER_ID.
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_KONBBYH_UPD_STR, 
MANDT TYPE STRING,
BBYNR TYPE STRING,
CRDATE TYPE STRING,
CRNAME TYPE STRING,
CHDATE TYPE STRING,
CHNAME TYPE STRING,
CATEG TYPE STRING,
TYPE TYPE STRING,
POINT TYPE STRING,
MAXCOUNT TYPE STRING,
BPROF TYPE STRING,
DATAB TYPE STRING,
DATBI TYPE STRING,
AKTNR TYPE STRING,
BUYCON TYPE STRING,
GETCON TYPE STRING,
CRAPPL TYPE STRING,
CRDOCN TYPE STRING,
STATUS TYPE STRING,
BBYCURH TYPE STRING,
OFFER_ID TYPE STRING,
NEWMAIN TYPE STRING,
LIMITNR TYPE STRING,
BUY_PRQVAL_MIN TYPE STRING,
BUY_PRQCUR TYPE STRING,
SYNCH_TO_PROMO TYPE STRING,
UPDKZ TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RDM_S_BBY_KONBBYH_UPD_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_KONBBYH_UPD_STR-MANDT sy-vline 
WA_RDM_S_BBY_KONBBYH_UPD_STR-BBYNR sy-vline 
WA_RDM_S_BBY_KONBBYH_UPD_STR-CRDATE sy-vline 
WA_RDM_S_BBY_KONBBYH_UPD_STR-CRNAME sy-vline 
WA_RDM_S_BBY_KONBBYH_UPD_STR-CHDATE sy-vline 
WA_RDM_S_BBY_KONBBYH_UPD_STR-CHNAME sy-vline 
WA_RDM_S_BBY_KONBBYH_UPD_STR-CATEG sy-vline 
WA_RDM_S_BBY_KONBBYH_UPD_STR-TYPE sy-vline 
WA_RDM_S_BBY_KONBBYH_UPD_STR-POINT sy-vline 
WA_RDM_S_BBY_KONBBYH_UPD_STR-MAXCOUNT sy-vline 
WA_RDM_S_BBY_KONBBYH_UPD_STR-BPROF sy-vline 
WA_RDM_S_BBY_KONBBYH_UPD_STR-DATAB sy-vline 
WA_RDM_S_BBY_KONBBYH_UPD_STR-DATBI sy-vline 
WA_RDM_S_BBY_KONBBYH_UPD_STR-AKTNR sy-vline 
WA_RDM_S_BBY_KONBBYH_UPD_STR-BUYCON sy-vline 
WA_RDM_S_BBY_KONBBYH_UPD_STR-GETCON sy-vline 
WA_RDM_S_BBY_KONBBYH_UPD_STR-CRAPPL sy-vline 
WA_RDM_S_BBY_KONBBYH_UPD_STR-CRDOCN sy-vline 
WA_RDM_S_BBY_KONBBYH_UPD_STR-STATUS sy-vline 
WA_RDM_S_BBY_KONBBYH_UPD_STR-BBYCURH sy-vline 
WA_RDM_S_BBY_KONBBYH_UPD_STR-OFFER_ID sy-vline 
WA_RDM_S_BBY_KONBBYH_UPD_STR-NEWMAIN sy-vline 
WA_RDM_S_BBY_KONBBYH_UPD_STR-LIMITNR sy-vline 
WA_RDM_S_BBY_KONBBYH_UPD_STR-BUY_PRQVAL_MIN sy-vline 
WA_RDM_S_BBY_KONBBYH_UPD_STR-BUY_PRQCUR sy-vline 
WA_RDM_S_BBY_KONBBYH_UPD_STR-SYNCH_TO_PROMO sy-vline 
WA_RDM_S_BBY_KONBBYH_UPD_STR-UPDKZ sy-vline      INTO ld_text SEPARATED BY SPACE.

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