ABAP Select data from SAP table /SCWM/S_ERP_DLV_ITM_CREATE 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_ERP_DLV_ITM_CREATE 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_ERP_DLV_ITM_CREATE. 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_ERP_DLV_ITM_CREATE 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_ERP_DLV_ITM_CREATE TYPE STANDARD TABLE OF /SCWM/S_ERP_DLV_ITM_CREATE,
      WA_/SCWM/S_ERP_DLV_ITM_CREATE TYPE /SCWM/S_ERP_DLV_ITM_CREATE,
      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_ERP_DLV_ITM_CREATE> TYPE /SCWM/S_ERP_DLV_ITM_CREATE.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SCWM/S_ERP_DLV_ITM_CREATE
*  INTO TABLE @DATA(IT_/SCWM/S_ERP_DLV_ITM_CREATE2).
*--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_ERP_DLV_ITM_CREATE INDEX 1 INTO DATA(WA_/SCWM/S_ERP_DLV_ITM_CREATE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SCWM/S_ERP_DLV_ITM_CREATE>-REF_DOC = 1.
</SCWM/S_ERP_DLV_ITM_CREATE>-REF_ITEM = 1.
</SCWM/S_ERP_DLV_ITM_CREATE>-DELIV_NUMB = 1.
</SCWM/S_ERP_DLV_ITM_CREATE>-DELIV_ITEM = 1.
</SCWM/S_ERP_DLV_ITM_CREATE>-MATERIAL = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SCWM/S_ERP_DLV_ITM_CREATE-DLV_QTY, sy-vline,
  WA_/SCWM/S_ERP_DLV_ITM_CREATE-SALES_UNIT, sy-vline,
  WA_/SCWM/S_ERP_DLV_ITM_CREATE-SALES_UNIT_ISO, sy-vline,
  WA_/SCWM/S_ERP_DLV_ITM_CREATE-MATERIAL_EXTERNAL, sy-vline,
  WA_/SCWM/S_ERP_DLV_ITM_CREATE-MATERIAL_GUID, sy-vline,
  WA_/SCWM/S_ERP_DLV_ITM_CREATE-MATERIAL_VERSION, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SCWM/S_ERP_DLV_ITM_CREATE 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_ERP_DLV_ITM_CREATE 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_ERP_DLV_ITM_CREATE INTO WA_/SCWM/S_ERP_DLV_ITM_CREATE.


*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_DOC
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_ERP_DLV_ITM_CREATE-REF_DOC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_ERP_DLV_ITM_CREATE-REF_DOC.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit MATN1, internal->external for field MATERIAL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_ERP_DLV_ITM_CREATE-MATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_ERP_DLV_ITM_CREATE-MATERIAL.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit MATNL, internal->external for field MATERIAL_EXTERNAL
CALL FUNCTION 'CONVERSION_EXIT_MATNL_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_ERP_DLV_ITM_CREATE-MATERIAL_EXTERNAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_ERP_DLV_ITM_CREATE-MATERIAL_EXTERNAL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATNW, internal->external for field MATERIAL_VERSION
CALL FUNCTION 'CONVERSION_EXIT_MATNW_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_ERP_DLV_ITM_CREATE-MATERIAL_VERSION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_ERP_DLV_ITM_CREATE-MATERIAL_VERSION.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATERIAL_LONG
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_ERP_DLV_ITM_CREATE-MATERIAL_LONG
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_ERP_DLV_ITM_CREATE-MATERIAL_LONG.
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_ERP_DLV_ITM_CREATE_STR, 
REF_DOC TYPE STRING,
REF_ITEM TYPE STRING,
DELIV_NUMB TYPE STRING,
DELIV_ITEM TYPE STRING,
MATERIAL TYPE STRING,
DLV_QTY TYPE STRING,
SALES_UNIT TYPE STRING,
SALES_UNIT_ISO TYPE STRING,
MATERIAL_EXTERNAL TYPE STRING,
MATERIAL_GUID TYPE STRING,
MATERIAL_VERSION TYPE STRING,
MATERIAL_LONG TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SCWM/S_ERP_DLV_ITM_CREATE_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_ERP_DLV_ITM_CREATE_STR-REF_DOC sy-vline 
WA_/SCWM/S_ERP_DLV_ITM_CREATE_STR-REF_ITEM sy-vline 
WA_/SCWM/S_ERP_DLV_ITM_CREATE_STR-DELIV_NUMB sy-vline 
WA_/SCWM/S_ERP_DLV_ITM_CREATE_STR-DELIV_ITEM sy-vline 
WA_/SCWM/S_ERP_DLV_ITM_CREATE_STR-MATERIAL sy-vline 
WA_/SCWM/S_ERP_DLV_ITM_CREATE_STR-DLV_QTY sy-vline 
WA_/SCWM/S_ERP_DLV_ITM_CREATE_STR-SALES_UNIT sy-vline 
WA_/SCWM/S_ERP_DLV_ITM_CREATE_STR-SALES_UNIT_ISO sy-vline 
WA_/SCWM/S_ERP_DLV_ITM_CREATE_STR-MATERIAL_EXTERNAL sy-vline 
WA_/SCWM/S_ERP_DLV_ITM_CREATE_STR-MATERIAL_GUID sy-vline 
WA_/SCWM/S_ERP_DLV_ITM_CREATE_STR-MATERIAL_VERSION sy-vline 
WA_/SCWM/S_ERP_DLV_ITM_CREATE_STR-MATERIAL_LONG sy-vline      INTO ld_text SEPARATED BY SPACE.

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