ABAP Select data from SAP table CFB_S_RMC_LIST_COND into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CFB_S_RMC_LIST_COND
*  INTO TABLE @DATA(IT_CFB_S_RMC_LIST_COND2).
*--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_CFB_S_RMC_LIST_COND INDEX 1 INTO DATA(WA_CFB_S_RMC_LIST_COND2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CFB_S_RMC_LIST_COND>-ROW_KEY = 1.
<CFB_S_RMC_LIST_COND>-EBELP = 1.
<CFB_S_RMC_LIST_COND>-KSCHL = 1.
<CFB_S_RMC_LIST_COND>-KNUMH = 1.
<CFB_S_RMC_LIST_COND>-KOPOS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CFB_S_RMC_LIST_COND-KLFN1, sy-vline,
  WA_CFB_S_RMC_LIST_COND-DATAB, sy-vline,
  WA_CFB_S_RMC_LIST_COND-DATBI, sy-vline,
  WA_CFB_S_RMC_LIST_COND-KBETR, sy-vline,
  WA_CFB_S_RMC_LIST_COND-KOEIN, sy-vline,
  WA_CFB_S_RMC_LIST_COND-KPEIN, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CFB_S_RMC_LIST_COND 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_CFB_S_RMC_LIST_COND 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_CFB_S_RMC_LIST_COND INTO WA_CFB_S_RMC_LIST_COND.


*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 CUNIT, internal->external for field KMEIN
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CFB_S_RMC_LIST_COND-KMEIN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CFB_S_RMC_LIST_COND-KMEIN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field KONMS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CFB_S_RMC_LIST_COND-KONMS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CFB_S_RMC_LIST_COND-KONMS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field BSTME
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CFB_S_RMC_LIST_COND-BSTME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CFB_S_RMC_LIST_COND-BSTME.
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_CFB_S_RMC_LIST_COND_STR, 
ROW_KEY TYPE STRING,
EBELP TYPE STRING,
KSCHL TYPE STRING,
KNUMH TYPE STRING,
KOPOS TYPE STRING,
KLFN1 TYPE STRING,
DATAB TYPE STRING,
DATBI TYPE STRING,
KBETR TYPE STRING,
KOEIN TYPE STRING,
KPEIN TYPE STRING,
KMEIN TYPE STRING,
VTEXT TYPE STRING,
KSTBM TYPE STRING,
KSTBW TYPE STRING,
KONWS TYPE STRING,
KONWA TYPE STRING,
STFKZ TYPE STRING,
KZBZG TYPE STRING,
KONMS TYPE STRING,
WERKS TYPE STRING,
BSTME TYPE STRING,
KONT_PACK TYPE STRING,
KONT_ZEILE TYPE STRING,
SGT_SCAT TYPE STRING,
BE_PLANT_UNIQUE_ID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CFB_S_RMC_LIST_COND_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_CFB_S_RMC_LIST_COND_STR-ROW_KEY sy-vline 
WA_CFB_S_RMC_LIST_COND_STR-EBELP sy-vline 
WA_CFB_S_RMC_LIST_COND_STR-KSCHL sy-vline 
WA_CFB_S_RMC_LIST_COND_STR-KNUMH sy-vline 
WA_CFB_S_RMC_LIST_COND_STR-KOPOS sy-vline 
WA_CFB_S_RMC_LIST_COND_STR-KLFN1 sy-vline 
WA_CFB_S_RMC_LIST_COND_STR-DATAB sy-vline 
WA_CFB_S_RMC_LIST_COND_STR-DATBI sy-vline 
WA_CFB_S_RMC_LIST_COND_STR-KBETR sy-vline 
WA_CFB_S_RMC_LIST_COND_STR-KOEIN sy-vline 
WA_CFB_S_RMC_LIST_COND_STR-KPEIN sy-vline 
WA_CFB_S_RMC_LIST_COND_STR-KMEIN sy-vline 
WA_CFB_S_RMC_LIST_COND_STR-VTEXT sy-vline 
WA_CFB_S_RMC_LIST_COND_STR-KSTBM sy-vline 
WA_CFB_S_RMC_LIST_COND_STR-KSTBW sy-vline 
WA_CFB_S_RMC_LIST_COND_STR-KONWS sy-vline 
WA_CFB_S_RMC_LIST_COND_STR-KONWA sy-vline 
WA_CFB_S_RMC_LIST_COND_STR-STFKZ sy-vline 
WA_CFB_S_RMC_LIST_COND_STR-KZBZG sy-vline 
WA_CFB_S_RMC_LIST_COND_STR-KONMS sy-vline 
WA_CFB_S_RMC_LIST_COND_STR-WERKS sy-vline 
WA_CFB_S_RMC_LIST_COND_STR-BSTME sy-vline 
WA_CFB_S_RMC_LIST_COND_STR-KONT_PACK sy-vline 
WA_CFB_S_RMC_LIST_COND_STR-KONT_ZEILE sy-vline 
WA_CFB_S_RMC_LIST_COND_STR-SGT_SCAT sy-vline 
WA_CFB_S_RMC_LIST_COND_STR-BE_PLANT_UNIQUE_ID sy-vline      INTO ld_text SEPARATED BY SPACE.

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