ABAP Select data from SAP table /SCWM/S_DLV_ITEM_AUOM_DET into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /SCWM/S_DLV_ITEM_AUOM_DET 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 /SCWM/S_DLV_ITEM_AUOM_DET. 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 /SCWM/S_DLV_ITEM_AUOM_DET 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_/SCWM/S_DLV_ITEM_AUOM_DET TYPE STANDARD TABLE OF /SCWM/S_DLV_ITEM_AUOM_DET,
      WA_/SCWM/S_DLV_ITEM_AUOM_DET TYPE /SCWM/S_DLV_ITEM_AUOM_DET,
      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: </SCWM/S_DLV_ITEM_AUOM_DET> TYPE /SCWM/S_DLV_ITEM_AUOM_DET.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /SCWM/S_DLV_ITEM_AUOM_DET
  INTO TABLE IT_/SCWM/S_DLV_ITEM_AUOM_DET.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SCWM/S_DLV_ITEM_AUOM_DET
*  INTO TABLE @DATA(IT_/SCWM/S_DLV_ITEM_AUOM_DET2).
*--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_/SCWM/S_DLV_ITEM_AUOM_DET INDEX 1 INTO DATA(WA_/SCWM/S_DLV_ITEM_AUOM_DET2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/SCWM/S_DLV_ITEM_AUOM_DET ASSIGNING </SCWM/S_DLV_ITEM_AUOM_DET>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SCWM/S_DLV_ITEM_AUOM_DET>-DOCID = 1.
</SCWM/S_DLV_ITEM_AUOM_DET>-ITEMID = 1.
</SCWM/S_DLV_ITEM_AUOM_DET>-DOCCAT = 1.
</SCWM/S_DLV_ITEM_AUOM_DET>-ITEMTYPE = 1.
</SCWM/S_DLV_ITEM_AUOM_DET>-PRODUCTID = 1.

ENDLOOP.

LOOP AT IT_/SCWM/S_DLV_ITEM_AUOM_DET INTO WA_/SCWM/S_DLV_ITEM_AUOM_DET.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SCWM/S_DLV_ITEM_AUOM_DET-PRODUCTNO, sy-vline,
  WA_/SCWM/S_DLV_ITEM_AUOM_DET-QTY, sy-vline,
  WA_/SCWM/S_DLV_ITEM_AUOM_DET-UOM, sy-vline,
  WA_/SCWM/S_DLV_ITEM_AUOM_DET-BATCHNO, sy-vline,
  WA_/SCWM/S_DLV_ITEM_AUOM_DET-ENTITLED, sy-vline,
  WA_/SCWM/S_DLV_ITEM_AUOM_DET-OWNER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SCWM/S_DLV_ITEM_AUOM_DET 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_/SCWM/S_DLV_ITEM_AUOM_DET 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_/SCWM/S_DLV_ITEM_AUOM_DET INTO WA_/SCWM/S_DLV_ITEM_AUOM_DET.


*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 PRODUCTNO
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_DLV_ITEM_AUOM_DET-PRODUCTNO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_DLV_ITEM_AUOM_DET-PRODUCTNO.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit BPMAP, internal->external for field OWNER
CALL FUNCTION 'CONVERSION_EXIT_BPMAP_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_DLV_ITEM_AUOM_DET-OWNER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_DLV_ITEM_AUOM_DET-OWNER.
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_/SCWM/S_DLV_ITEM_AUOM_DET_STR, 
DOCID TYPE STRING,
ITEMID TYPE STRING,
DOCCAT TYPE STRING,
ITEMTYPE TYPE STRING,
PRODUCTID TYPE STRING,
PRODUCTNO TYPE STRING,
QTY TYPE STRING,
UOM TYPE STRING,
BATCHNO TYPE STRING,
ENTITLED TYPE STRING,
OWNER TYPE STRING,
PROCTY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SCWM/S_DLV_ITEM_AUOM_DET_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_/SCWM/S_DLV_ITEM_AUOM_DET_STR-DOCID sy-vline 
WA_/SCWM/S_DLV_ITEM_AUOM_DET_STR-ITEMID sy-vline 
WA_/SCWM/S_DLV_ITEM_AUOM_DET_STR-DOCCAT sy-vline 
WA_/SCWM/S_DLV_ITEM_AUOM_DET_STR-ITEMTYPE sy-vline 
WA_/SCWM/S_DLV_ITEM_AUOM_DET_STR-PRODUCTID sy-vline 
WA_/SCWM/S_DLV_ITEM_AUOM_DET_STR-PRODUCTNO sy-vline 
WA_/SCWM/S_DLV_ITEM_AUOM_DET_STR-QTY sy-vline 
WA_/SCWM/S_DLV_ITEM_AUOM_DET_STR-UOM sy-vline 
WA_/SCWM/S_DLV_ITEM_AUOM_DET_STR-BATCHNO sy-vline 
WA_/SCWM/S_DLV_ITEM_AUOM_DET_STR-ENTITLED sy-vline 
WA_/SCWM/S_DLV_ITEM_AUOM_DET_STR-OWNER sy-vline 
WA_/SCWM/S_DLV_ITEM_AUOM_DET_STR-PROCTY sy-vline      INTO ld_text SEPARATED BY SPACE.

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