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

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SCWM/DLV_HEADER_UPD_PRD_STR
*  INTO TABLE @DATA(IT_/SCWM/DLV_HEADER_UPD_PRD_STR2).
*--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/DLV_HEADER_UPD_PRD_STR INDEX 1 INTO DATA(WA_/SCWM/DLV_HEADER_UPD_PRD_STR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SCWM/DLV_HEADER_UPD_PRD_STR>-DOCTYPE = 1.
</SCWM/DLV_HEADER_UPD_PRD_STR>-TEXTIND = 1.
</SCWM/DLV_HEADER_UPD_PRD_STR>-ADMIN = 1.
</SCWM/DLV_HEADER_UPD_PRD_STR>-CRETST = 1.
</SCWM/DLV_HEADER_UPD_PRD_STR>-CREUSR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SCWM/DLV_HEADER_UPD_PRD_STR-CHGTST, sy-vline,
  WA_/SCWM/DLV_HEADER_UPD_PRD_STR-CHGUSR, sy-vline,
  WA_/SCWM/DLV_HEADER_UPD_PRD_STR-CHGVERSION, sy-vline,
  WA_/SCWM/DLV_HEADER_UPD_PRD_STR-INCOTERMS, sy-vline,
  WA_/SCWM/DLV_HEADER_UPD_PRD_STR-INCO1, sy-vline,
  WA_/SCWM/DLV_HEADER_UPD_PRD_STR-INCO2, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SCWM/DLV_HEADER_UPD_PRD_STR 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/DLV_HEADER_UPD_PRD_STR 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/DLV_HEADER_UPD_PRD_STR INTO WA_/SCWM/DLV_HEADER_UPD_PRD_STR.


*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 TSTPS, internal->external for field CRETST
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/DLV_HEADER_UPD_PRD_STR-CRETST
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/DLV_HEADER_UPD_PRD_STR-CRETST.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTPS, internal->external for field CHGTST
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/DLV_HEADER_UPD_PRD_STR-CHGTST
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/DLV_HEADER_UPD_PRD_STR-CHGTST.
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/DLV_HEADER_UPD_PRD_STR_STR, 
DOCTYPE TYPE STRING,
TEXTIND TYPE STRING,
ADMIN TYPE STRING,
CRETST TYPE STRING,
CREUSR TYPE STRING,
CHGTST TYPE STRING,
CHGUSR TYPE STRING,
CHGVERSION TYPE STRING,
INCOTERMS TYPE STRING,
INCO1 TYPE STRING,
INCO2 TYPE STRING,
PARTYLOC TYPE STRING,
DATES TYPE STRING,
ADDMEAS TYPE STRING,
STATUS TYPE STRING,
REFDOC TYPE STRING,
TRANSPORT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SCWM/DLV_HEADER_UPD_PRD_STR_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/DLV_HEADER_UPD_PRD_STR_STR-DOCTYPE sy-vline 
WA_/SCWM/DLV_HEADER_UPD_PRD_STR_STR-TEXTIND sy-vline 
WA_/SCWM/DLV_HEADER_UPD_PRD_STR_STR-ADMIN sy-vline 
WA_/SCWM/DLV_HEADER_UPD_PRD_STR_STR-CRETST sy-vline 
WA_/SCWM/DLV_HEADER_UPD_PRD_STR_STR-CREUSR sy-vline 
WA_/SCWM/DLV_HEADER_UPD_PRD_STR_STR-CHGTST sy-vline 
WA_/SCWM/DLV_HEADER_UPD_PRD_STR_STR-CHGUSR sy-vline 
WA_/SCWM/DLV_HEADER_UPD_PRD_STR_STR-CHGVERSION sy-vline 
WA_/SCWM/DLV_HEADER_UPD_PRD_STR_STR-INCOTERMS sy-vline 
WA_/SCWM/DLV_HEADER_UPD_PRD_STR_STR-INCO1 sy-vline 
WA_/SCWM/DLV_HEADER_UPD_PRD_STR_STR-INCO2 sy-vline 
WA_/SCWM/DLV_HEADER_UPD_PRD_STR_STR-PARTYLOC sy-vline 
WA_/SCWM/DLV_HEADER_UPD_PRD_STR_STR-DATES sy-vline 
WA_/SCWM/DLV_HEADER_UPD_PRD_STR_STR-ADDMEAS sy-vline 
WA_/SCWM/DLV_HEADER_UPD_PRD_STR_STR-STATUS sy-vline 
WA_/SCWM/DLV_HEADER_UPD_PRD_STR_STR-REFDOC sy-vline 
WA_/SCWM/DLV_HEADER_UPD_PRD_STR_STR-TRANSPORT sy-vline      INTO ld_text SEPARATED BY SPACE.

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