ABAP Select data from SAP table IDCFM_CONT_LIST into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IDCFM_CONT_LIST
*  INTO TABLE @DATA(IT_IDCFM_CONT_LIST2).
*--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_IDCFM_CONT_LIST INDEX 1 INTO DATA(WA_IDCFM_CONT_LIST2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IDCFM_CONT_LIST>-BUKRS = 1.
<IDCFM_CONT_LIST>-SARCHIV = 1.
<IDCFM_CONT_LIST>-RANL = 1.
<IDCFM_CONT_LIST>-RFHA = 1.
<IDCFM_CONT_LIST>-SANLF = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IDCFM_CONT_LIST-GSART, sy-vline,
  WA_IDCFM_CONT_LIST-RREFKONT, sy-vline,
  WA_IDCFM_CONT_LIST-SANTWHR, sy-vline,
  WA_IDCFM_CONT_LIST-GSBER, sy-vline,
  WA_IDCFM_CONT_LIST-KOSTL, sy-vline,
  WA_IDCFM_CONT_LIST-RERF, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IDCFM_CONT_LIST 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_IDCFM_CONT_LIST 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_IDCFM_CONT_LIST INTO WA_IDCFM_CONT_LIST.


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

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

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

*Conversion exit ALPHA, internal->external for field RDARNEHM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IDCFM_CONT_LIST-RDARNEHM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IDCFM_CONT_LIST-RDARNEHM.
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_IDCFM_CONT_LIST_STR, 
BUKRS TYPE STRING,
SARCHIV TYPE STRING,
RANL TYPE STRING,
RFHA TYPE STRING,
SANLF TYPE STRING,
GSART TYPE STRING,
RREFKONT TYPE STRING,
SANTWHR TYPE STRING,
GSBER TYPE STRING,
KOSTL TYPE STRING,
RERF TYPE STRING,
RDARNEHM TYPE STRING,
RGENUM TYPE STRING,
NAME1 TYPE STRING,
TEXT TYPE STRING,
RANTYP TYPE STRING,
SFGTYP TYPE STRING,
SAKTPAS TYPE STRING,
RLDEPO TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IDCFM_CONT_LIST_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_IDCFM_CONT_LIST_STR-BUKRS sy-vline 
WA_IDCFM_CONT_LIST_STR-SARCHIV sy-vline 
WA_IDCFM_CONT_LIST_STR-RANL sy-vline 
WA_IDCFM_CONT_LIST_STR-RFHA sy-vline 
WA_IDCFM_CONT_LIST_STR-SANLF sy-vline 
WA_IDCFM_CONT_LIST_STR-GSART sy-vline 
WA_IDCFM_CONT_LIST_STR-RREFKONT sy-vline 
WA_IDCFM_CONT_LIST_STR-SANTWHR sy-vline 
WA_IDCFM_CONT_LIST_STR-GSBER sy-vline 
WA_IDCFM_CONT_LIST_STR-KOSTL sy-vline 
WA_IDCFM_CONT_LIST_STR-RERF sy-vline 
WA_IDCFM_CONT_LIST_STR-RDARNEHM sy-vline 
WA_IDCFM_CONT_LIST_STR-RGENUM sy-vline 
WA_IDCFM_CONT_LIST_STR-NAME1 sy-vline 
WA_IDCFM_CONT_LIST_STR-TEXT sy-vline 
WA_IDCFM_CONT_LIST_STR-RANTYP sy-vline 
WA_IDCFM_CONT_LIST_STR-SFGTYP sy-vline 
WA_IDCFM_CONT_LIST_STR-SAKTPAS sy-vline 
WA_IDCFM_CONT_LIST_STR-RLDEPO sy-vline      INTO ld_text SEPARATED BY SPACE.

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