ABAP Select data from SAP table RMODEL_KOPOSET into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RMODEL_KOPOSET
*  INTO TABLE @DATA(IT_RMODEL_KOPOSET2).
*--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_RMODEL_KOPOSET INDEX 1 INTO DATA(WA_RMODEL_KOPOSET2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RMODEL_KOPOSET>-SLOANFUNC = 1.
<RMODEL_KOPOSET>-SKOART = 1.
<RMODEL_KOPOSET>-SBEWART = 1.
<RMODEL_KOPOSET>-S_FIMA_TYPE = 1.
<RMODEL_KOPOSET>-R_COND_POSITION = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RMODEL_KOPOSET-S_COND_MISSING, sy-vline,
  WA_RMODEL_KOPOSET-S_AMT_OR_PCT, sy-vline,
  WA_RMODEL_KOPOSET-B_AMT, sy-vline,
  WA_RMODEL_KOPOSET-S_CURRENCY, sy-vline,
  WA_RMODEL_KOPOSET-B_AMT_MIN, sy-vline,
  WA_RMODEL_KOPOSET-B_AMT_MAX, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RMODEL_KOPOSET 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_RMODEL_KOPOSET 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_RMODEL_KOPOSET INTO WA_RMODEL_KOPOSET.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_RMODEL_KOPOSET_STR, 
SLOANFUNC TYPE STRING,
SKOART TYPE STRING,
SBEWART TYPE STRING,
S_FIMA_TYPE TYPE STRING,
R_COND_POSITION TYPE STRING,
S_COND_MISSING TYPE STRING,
S_AMT_OR_PCT TYPE STRING,
B_AMT TYPE STRING,
S_CURRENCY TYPE STRING,
B_AMT_MIN TYPE STRING,
B_AMT_MAX TYPE STRING,
B_PERCENTAGE TYPE STRING,
R_USR_INCR TYPE STRING,
R_USR_DECR TYPE STRING,
SZSREF TYPE STRING,
SZSREFVZ TYPE STRING,
S_RENEW TYPE STRING,
S_MANUAL TYPE STRING,
S_AMT_OR_PCT_MAN TYPE STRING,
B_AMT_MANUAL TYPE STRING,
B_PCT_MANUAL TYPE STRING,
JNULLKON TYPE STRING,
S_TECH_COND TYPE STRING,
SBEWART_FIN_AMT TYPE STRING,
BNWHR_FIN_AMT TYPE STRING,
DFAELL TYPE STRING,
CALC_TYPE TYPE STRING,
CALC_BASE TYPE STRING,
FINANCED_AMOUNT TYPE STRING,
FIXED TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RMODEL_KOPOSET_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_RMODEL_KOPOSET_STR-SLOANFUNC sy-vline 
WA_RMODEL_KOPOSET_STR-SKOART sy-vline 
WA_RMODEL_KOPOSET_STR-SBEWART sy-vline 
WA_RMODEL_KOPOSET_STR-S_FIMA_TYPE sy-vline 
WA_RMODEL_KOPOSET_STR-R_COND_POSITION sy-vline 
WA_RMODEL_KOPOSET_STR-S_COND_MISSING sy-vline 
WA_RMODEL_KOPOSET_STR-S_AMT_OR_PCT sy-vline 
WA_RMODEL_KOPOSET_STR-B_AMT sy-vline 
WA_RMODEL_KOPOSET_STR-S_CURRENCY sy-vline 
WA_RMODEL_KOPOSET_STR-B_AMT_MIN sy-vline 
WA_RMODEL_KOPOSET_STR-B_AMT_MAX sy-vline 
WA_RMODEL_KOPOSET_STR-B_PERCENTAGE sy-vline 
WA_RMODEL_KOPOSET_STR-R_USR_INCR sy-vline 
WA_RMODEL_KOPOSET_STR-R_USR_DECR sy-vline 
WA_RMODEL_KOPOSET_STR-SZSREF sy-vline 
WA_RMODEL_KOPOSET_STR-SZSREFVZ sy-vline 
WA_RMODEL_KOPOSET_STR-S_RENEW sy-vline 
WA_RMODEL_KOPOSET_STR-S_MANUAL sy-vline 
WA_RMODEL_KOPOSET_STR-S_AMT_OR_PCT_MAN sy-vline 
WA_RMODEL_KOPOSET_STR-B_AMT_MANUAL sy-vline 
WA_RMODEL_KOPOSET_STR-B_PCT_MANUAL sy-vline 
WA_RMODEL_KOPOSET_STR-JNULLKON sy-vline 
WA_RMODEL_KOPOSET_STR-S_TECH_COND sy-vline 
WA_RMODEL_KOPOSET_STR-SBEWART_FIN_AMT sy-vline 
WA_RMODEL_KOPOSET_STR-BNWHR_FIN_AMT sy-vline 
WA_RMODEL_KOPOSET_STR-DFAELL sy-vline 
WA_RMODEL_KOPOSET_STR-CALC_TYPE sy-vline 
WA_RMODEL_KOPOSET_STR-CALC_BASE sy-vline 
WA_RMODEL_KOPOSET_STR-FINANCED_AMOUNT sy-vline 
WA_RMODEL_KOPOSET_STR-FIXED sy-vline      INTO ld_text SEPARATED BY SPACE.

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