ABAP Select data from SAP table WTADDI_SO_EDIT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM WTADDI_SO_EDIT
*  INTO TABLE @DATA(IT_WTADDI_SO_EDIT2).
*--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_WTADDI_SO_EDIT INDEX 1 INTO DATA(WA_WTADDI_SO_EDIT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<WTADDI_SO_EDIT>-MANDT = 1.
<WTADDI_SO_EDIT>-POSNR = 1.
<WTADDI_SO_EDIT>-LFDNR = 1.
<WTADDI_SO_EDIT>-ROWMARK = 1.
<WTADDI_SO_EDIT>-ROWNR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_WTADDI_SO_EDIT-MATNR, sy-vline,
  WA_WTADDI_SO_EDIT-MAKTX, sy-vline,
  WA_WTADDI_SO_EDIT-ADDIMENGE, sy-vline,
  WA_WTADDI_SO_EDIT-ADDIVKME, sy-vline,
  WA_WTADDI_SO_EDIT-ADDITXDIM, sy-vline,
  WA_WTADDI_SO_EDIT-ADDIMAT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_WTADDI_SO_EDIT 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_WTADDI_SO_EDIT 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_WTADDI_SO_EDIT INTO WA_WTADDI_SO_EDIT.


*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 MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_WTADDI_SO_EDIT-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_WTADDI_SO_EDIT-MATNR.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit MATN1, internal->external for field ADDIMAT
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_WTADDI_SO_EDIT-ADDIMAT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_WTADDI_SO_EDIT-ADDIMAT.
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_WTADDI_SO_EDIT_STR, 
MANDT TYPE STRING,
POSNR TYPE STRING,
LFDNR TYPE STRING,
ROWMARK TYPE STRING,
ROWNR TYPE STRING,
MATNR TYPE STRING,
MAKTX TYPE STRING,
ADDIMENGE TYPE STRING,
ADDIVKME TYPE STRING,
ADDITXDIM TYPE STRING,
ADDIMAT TYPE STRING,
ADDIMAKTX TYPE STRING,
ADDIMATCU TYPE STRING,
ADDICLINT TYPE STRING,
ADDIKLART TYPE STRING,
ARTXT TYPE STRING,
ADDICLASS TYPE STRING,
KSCHL TYPE STRING,
ADDIFM TYPE STRING,
ADDIOPER TYPE STRING,
ADDIFMTXT TYPE STRING,
ADDIFMCU TYPE STRING,
ADDIINVOC TYPE STRING,
ADDIINVT TYPE STRING,
ADDICALC TYPE STRING,
ADDICALCT TYPE STRING,
ADDIKEY TYPE STRING,
ADDIMTXIDD TYPE STRING,
ADDIFRMCUST TYPE STRING,END OF T_EKKO_STR.
DATA: WA_WTADDI_SO_EDIT_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_WTADDI_SO_EDIT_STR-MANDT sy-vline 
WA_WTADDI_SO_EDIT_STR-POSNR sy-vline 
WA_WTADDI_SO_EDIT_STR-LFDNR sy-vline 
WA_WTADDI_SO_EDIT_STR-ROWMARK sy-vline 
WA_WTADDI_SO_EDIT_STR-ROWNR sy-vline 
WA_WTADDI_SO_EDIT_STR-MATNR sy-vline 
WA_WTADDI_SO_EDIT_STR-MAKTX sy-vline 
WA_WTADDI_SO_EDIT_STR-ADDIMENGE sy-vline 
WA_WTADDI_SO_EDIT_STR-ADDIVKME sy-vline 
WA_WTADDI_SO_EDIT_STR-ADDITXDIM sy-vline 
WA_WTADDI_SO_EDIT_STR-ADDIMAT sy-vline 
WA_WTADDI_SO_EDIT_STR-ADDIMAKTX sy-vline 
WA_WTADDI_SO_EDIT_STR-ADDIMATCU sy-vline 
WA_WTADDI_SO_EDIT_STR-ADDICLINT sy-vline 
WA_WTADDI_SO_EDIT_STR-ADDIKLART sy-vline 
WA_WTADDI_SO_EDIT_STR-ARTXT sy-vline 
WA_WTADDI_SO_EDIT_STR-ADDICLASS sy-vline 
WA_WTADDI_SO_EDIT_STR-KSCHL sy-vline 
WA_WTADDI_SO_EDIT_STR-ADDIFM sy-vline 
WA_WTADDI_SO_EDIT_STR-ADDIOPER sy-vline 
WA_WTADDI_SO_EDIT_STR-ADDIFMTXT sy-vline 
WA_WTADDI_SO_EDIT_STR-ADDIFMCU sy-vline 
WA_WTADDI_SO_EDIT_STR-ADDIINVOC sy-vline 
WA_WTADDI_SO_EDIT_STR-ADDIINVT sy-vline 
WA_WTADDI_SO_EDIT_STR-ADDICALC sy-vline 
WA_WTADDI_SO_EDIT_STR-ADDICALCT sy-vline 
WA_WTADDI_SO_EDIT_STR-ADDIKEY sy-vline 
WA_WTADDI_SO_EDIT_STR-ADDIMTXIDD sy-vline 
WA_WTADDI_SO_EDIT_STR-ADDIFRMCUST sy-vline      INTO ld_text SEPARATED BY SPACE.

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