ABAP Select data from SAP table IFW_S_STATUS_COMM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IFW_S_STATUS_COMM
*  INTO TABLE @DATA(IT_IFW_S_STATUS_COMM2).
*--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_IFW_S_STATUS_COMM INDEX 1 INTO DATA(WA_IFW_S_STATUS_COMM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IFW_S_STATUS_COMM>-ROOT_DOC_TYPE = 1.
<IFW_S_STATUS_COMM>-ROOT_DOC = 1.
<IFW_S_STATUS_COMM>-ROOT_DOC_ITEM = 1.
<IFW_S_STATUS_COMM>-INV_TYPE = 1.
<IFW_S_STATUS_COMM>-INV_NR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IFW_S_STATUS_COMM-INV_ITEM, sy-vline,
  WA_IFW_S_STATUS_COMM-INV_CAT, sy-vline,
  WA_IFW_S_STATUS_COMM-PR_START_DATE, sy-vline,
  WA_IFW_S_STATUS_COMM-PR_END_DATE, sy-vline,
  WA_IFW_S_STATUS_COMM-FX_START_DATE, sy-vline,
  WA_IFW_S_STATUS_COMM-FX_END_DATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IFW_S_STATUS_COMM 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_IFW_S_STATUS_COMM 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_IFW_S_STATUS_COMM INTO WA_IFW_S_STATUS_COMM.


*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 ROOT_DOC
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IFW_S_STATUS_COMM-ROOT_DOC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IFW_S_STATUS_COMM-ROOT_DOC.
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_IFW_S_STATUS_COMM_STR, 
ROOT_DOC_TYPE TYPE STRING,
ROOT_DOC TYPE STRING,
ROOT_DOC_ITEM TYPE STRING,
INV_TYPE TYPE STRING,
INV_NR TYPE STRING,
INV_ITEM TYPE STRING,
INV_CAT TYPE STRING,
PR_START_DATE TYPE STRING,
PR_END_DATE TYPE STRING,
FX_START_DATE TYPE STRING,
FX_END_DATE TYPE STRING,
INV_DUE_DATE_PRO TYPE STRING,
INV_DUE_DATE_FIN TYPE STRING,
PAY_DUE_DATE_PRO TYPE STRING,
PAY_DUE_DATE_FIN TYPE STRING,
DATE_OFFSET TYPE STRING,
DATE_OFFSET_IDD TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IFW_S_STATUS_COMM_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_IFW_S_STATUS_COMM_STR-ROOT_DOC_TYPE sy-vline 
WA_IFW_S_STATUS_COMM_STR-ROOT_DOC sy-vline 
WA_IFW_S_STATUS_COMM_STR-ROOT_DOC_ITEM sy-vline 
WA_IFW_S_STATUS_COMM_STR-INV_TYPE sy-vline 
WA_IFW_S_STATUS_COMM_STR-INV_NR sy-vline 
WA_IFW_S_STATUS_COMM_STR-INV_ITEM sy-vline 
WA_IFW_S_STATUS_COMM_STR-INV_CAT sy-vline 
WA_IFW_S_STATUS_COMM_STR-PR_START_DATE sy-vline 
WA_IFW_S_STATUS_COMM_STR-PR_END_DATE sy-vline 
WA_IFW_S_STATUS_COMM_STR-FX_START_DATE sy-vline 
WA_IFW_S_STATUS_COMM_STR-FX_END_DATE sy-vline 
WA_IFW_S_STATUS_COMM_STR-INV_DUE_DATE_PRO sy-vline 
WA_IFW_S_STATUS_COMM_STR-INV_DUE_DATE_FIN sy-vline 
WA_IFW_S_STATUS_COMM_STR-PAY_DUE_DATE_PRO sy-vline 
WA_IFW_S_STATUS_COMM_STR-PAY_DUE_DATE_FIN sy-vline 
WA_IFW_S_STATUS_COMM_STR-DATE_OFFSET sy-vline 
WA_IFW_S_STATUS_COMM_STR-DATE_OFFSET_IDD sy-vline      INTO ld_text SEPARATED BY SPACE.

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