ABAP Select data from SAP table TDS_MRM_SETTELMENT_RETURN_DELV into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM TDS_MRM_SETTELMENT_RETURN_DELV
*  INTO TABLE @DATA(IT_TDS_MRM_SETTELMENT_RETURN_DELV2).
*--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_TDS_MRM_SETTELMENT_RETURN_DELV INDEX 1 INTO DATA(WA_TDS_MRM_SETTELMENT_RETURN_DELV2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<TDS_MRM_SETTELMENT_RETURN_DELV>-OUTPUTCONTROLAPPLICATIONOBJECT = 1.
<TDS_MRM_SETTELMENT_RETURN_DELV>-PLANT = 1.
<TDS_MRM_SETTELMENT_RETURN_DELV>-SUPPLIERINVOICEITEM = 1.
<TDS_MRM_SETTELMENT_RETURN_DELV>-DOCUMENTREFERENCEID = 1.
<TDS_MRM_SETTELMENT_RETURN_DELV>-GOODSMOVEMENTTYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_TDS_MRM_SETTELMENT_RETURN_DELV-QUALITYNOTIFICATION, sy-vline,
  WA_TDS_MRM_SETTELMENT_RETURN_DELV-MALFUNCTIONSTARTDATE, sy-vline,
  WA_TDS_MRM_SETTELMENT_RETURN_DELV-DEBITCREDITCODE, sy-vline,
  WA_TDS_MRM_SETTELMENT_RETURN_DELV-PURCHASEORDERQUANTITYUNIT, sy-vline,
  WA_TDS_MRM_SETTELMENT_RETURN_DELV-PURCHASEORDERQUANTITYUNITTECHN, sy-vline,
  WA_TDS_MRM_SETTELMENT_RETURN_DELV-GOODSMOVEMENTREASONNAME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_TDS_MRM_SETTELMENT_RETURN_DELV 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_TDS_MRM_SETTELMENT_RETURN_DELV 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_TDS_MRM_SETTELMENT_RETURN_DELV INTO WA_TDS_MRM_SETTELMENT_RETURN_DELV.


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

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

*Conversion exit ALPHA, internal->external for field SUPPLIERINVOICE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_TDS_MRM_SETTELMENT_RETURN_DELV-SUPPLIERINVOICE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TDS_MRM_SETTELMENT_RETURN_DELV-SUPPLIERINVOICE.
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_TDS_MRM_SETTELMENT_RETURN_DELV_STR, 
OUTPUTCONTROLAPPLICATIONOBJECT TYPE STRING,
PLANT TYPE STRING,
SUPPLIERINVOICEITEM TYPE STRING,
DOCUMENTREFERENCEID TYPE STRING,
GOODSMOVEMENTTYPE TYPE STRING,
QUALITYNOTIFICATION TYPE STRING,
MALFUNCTIONSTARTDATE TYPE STRING,
DEBITCREDITCODE TYPE STRING,
PURCHASEORDERQUANTITYUNIT TYPE STRING,
PURCHASEORDERQUANTITYUNITTECHN TYPE STRING,
GOODSMOVEMENTREASONNAME TYPE STRING,
SUPPLIERINVOICE TYPE STRING,
QUANTITY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_TDS_MRM_SETTELMENT_RETURN_DELV_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_TDS_MRM_SETTELMENT_RETURN_DELV_STR-OUTPUTCONTROLAPPLICATIONOBJECT sy-vline 
WA_TDS_MRM_SETTELMENT_RETURN_DELV_STR-PLANT sy-vline 
WA_TDS_MRM_SETTELMENT_RETURN_DELV_STR-SUPPLIERINVOICEITEM sy-vline 
WA_TDS_MRM_SETTELMENT_RETURN_DELV_STR-DOCUMENTREFERENCEID sy-vline 
WA_TDS_MRM_SETTELMENT_RETURN_DELV_STR-GOODSMOVEMENTTYPE sy-vline 
WA_TDS_MRM_SETTELMENT_RETURN_DELV_STR-QUALITYNOTIFICATION sy-vline 
WA_TDS_MRM_SETTELMENT_RETURN_DELV_STR-MALFUNCTIONSTARTDATE sy-vline 
WA_TDS_MRM_SETTELMENT_RETURN_DELV_STR-DEBITCREDITCODE sy-vline 
WA_TDS_MRM_SETTELMENT_RETURN_DELV_STR-PURCHASEORDERQUANTITYUNIT sy-vline 
WA_TDS_MRM_SETTELMENT_RETURN_DELV_STR-PURCHASEORDERQUANTITYUNITTECHN sy-vline 
WA_TDS_MRM_SETTELMENT_RETURN_DELV_STR-GOODSMOVEMENTREASONNAME sy-vline 
WA_TDS_MRM_SETTELMENT_RETURN_DELV_STR-SUPPLIERINVOICE sy-vline 
WA_TDS_MRM_SETTELMENT_RETURN_DELV_STR-QUANTITY sy-vline      INTO ld_text SEPARATED BY SPACE.

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