ABAP Select data from SAP table WOSE_IMKPF_ADD into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM WOSE_IMKPF_ADD
*  INTO TABLE @DATA(IT_WOSE_IMKPF_ADD2).
*--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_WOSE_IMKPF_ADD INDEX 1 INTO DATA(WA_WOSE_IMKPF_ADD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<WOSE_IMKPF_ADD>-REF_EXIDV = 1.
<WOSE_IMKPF_ADD>-DOC_DATE = 1.
<WOSE_IMKPF_ADD>-SRS_CODE = 1.
<WOSE_IMKPF_ADD>-ART_ID2 = 1.
<WOSE_IMKPF_ADD>-XREF_NO = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_WOSE_IMKPF_ADD-REF_BLNR_DYNP, sy-vline,
  WA_WOSE_IMKPF_ADD-VNDR_TYPE, sy-vline,
  WA_WOSE_IMKPF_ADD-DOC_DATE_C, sy-vline,
  WA_WOSE_IMKPF_ADD-UP_DATE_C, sy-vline,
  WA_WOSE_IMKPF_ADD-MOVEMENT_TYPE, sy-vline,
  WA_WOSE_IMKPF_ADD-MOVEMENT_REASON_CONTR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_WOSE_IMKPF_ADD 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_WOSE_IMKPF_ADD 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_WOSE_IMKPF_ADD INTO WA_WOSE_IMKPF_ADD.


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

*Conversion exit ALPHA, internal->external for field REF_BLNR_DYNP
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_WOSE_IMKPF_ADD-REF_BLNR_DYNP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_WOSE_IMKPF_ADD-REF_BLNR_DYNP.
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_WOSE_IMKPF_ADD_STR, 
REF_EXIDV TYPE STRING,
DOC_DATE TYPE STRING,
SRS_CODE TYPE STRING,
ART_ID2 TYPE STRING,
XREF_NO TYPE STRING,
REF_BLNR_DYNP TYPE STRING,
VNDR_TYPE TYPE STRING,
DOC_DATE_C TYPE STRING,
UP_DATE_C TYPE STRING,
MOVEMENT_TYPE TYPE STRING,
MOVEMENT_REASON_CONTR TYPE STRING,
MOVEMENT_REASON TYPE STRING,
MOVE_PLANT TYPE STRING,
MOVE_PLANT_NAME TYPE STRING,
W_LOC_OWN TYPE STRING,
W_LOC_EXT TYPE STRING,
W_LOC_PROP TYPE STRING,
DUMMY_FIELD TYPE STRING,END OF T_EKKO_STR.
DATA: WA_WOSE_IMKPF_ADD_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_WOSE_IMKPF_ADD_STR-REF_EXIDV sy-vline 
WA_WOSE_IMKPF_ADD_STR-DOC_DATE sy-vline 
WA_WOSE_IMKPF_ADD_STR-SRS_CODE sy-vline 
WA_WOSE_IMKPF_ADD_STR-ART_ID2 sy-vline 
WA_WOSE_IMKPF_ADD_STR-XREF_NO sy-vline 
WA_WOSE_IMKPF_ADD_STR-REF_BLNR_DYNP sy-vline 
WA_WOSE_IMKPF_ADD_STR-VNDR_TYPE sy-vline 
WA_WOSE_IMKPF_ADD_STR-DOC_DATE_C sy-vline 
WA_WOSE_IMKPF_ADD_STR-UP_DATE_C sy-vline 
WA_WOSE_IMKPF_ADD_STR-MOVEMENT_TYPE sy-vline 
WA_WOSE_IMKPF_ADD_STR-MOVEMENT_REASON_CONTR sy-vline 
WA_WOSE_IMKPF_ADD_STR-MOVEMENT_REASON sy-vline 
WA_WOSE_IMKPF_ADD_STR-MOVE_PLANT sy-vline 
WA_WOSE_IMKPF_ADD_STR-MOVE_PLANT_NAME sy-vline 
WA_WOSE_IMKPF_ADD_STR-W_LOC_OWN sy-vline 
WA_WOSE_IMKPF_ADD_STR-W_LOC_EXT sy-vline 
WA_WOSE_IMKPF_ADD_STR-W_LOC_PROP sy-vline 
WA_WOSE_IMKPF_ADD_STR-DUMMY_FIELD sy-vline      INTO ld_text SEPARATED BY SPACE.

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