ABAP Select data from SAP table /SCWM/S_QUI_INT_ITM1_RFC 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_QUI_INT_ITM1_RFC 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_QUI_INT_ITM1_RFC. 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_QUI_INT_ITM1_RFC 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_QUI_INT_ITM1_RFC TYPE STANDARD TABLE OF /SCWM/S_QUI_INT_ITM1_RFC,
      WA_/SCWM/S_QUI_INT_ITM1_RFC TYPE /SCWM/S_QUI_INT_ITM1_RFC,
      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_QUI_INT_ITM1_RFC> TYPE /SCWM/S_QUI_INT_ITM1_RFC.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/SCWM/S_QUI_INT_ITM1_RFC.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /SCWM/S_QUI_INT_ITM1_RFC
  INTO TABLE IT_/SCWM/S_QUI_INT_ITM1_RFC.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SCWM/S_QUI_INT_ITM1_RFC
*  INTO TABLE @DATA(IT_/SCWM/S_QUI_INT_ITM1_RFC2).
*--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_QUI_INT_ITM1_RFC INDEX 1 INTO DATA(WA_/SCWM/S_QUI_INT_ITM1_RFC2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/SCWM/S_QUI_INT_ITM1_RFC ASSIGNING </SCWM/S_QUI_INT_ITM1_RFC>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SCWM/S_QUI_INT_ITM1_RFC>-GUID_HU = 1.
</SCWM/S_QUI_INT_ITM1_RFC>-GUID_STOCK = 1.
</SCWM/S_QUI_INT_ITM1_RFC>-GUID_QENTITY = 1.
</SCWM/S_QUI_INT_ITM1_RFC>-GUID_QELEMENT = 1.
</SCWM/S_QUI_INT_ITM1_RFC>-QIOT = 1.

ENDLOOP.

LOOP AT IT_/SCWM/S_QUI_INT_ITM1_RFC INTO WA_/SCWM/S_QUI_INT_ITM1_RFC.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SCWM/S_QUI_INT_ITM1_RFC-LINE_TYPE, sy-vline,
  WA_/SCWM/S_QUI_INT_ITM1_RFC-LINE_STATUS, sy-vline,
  WA_/SCWM/S_QUI_INT_ITM1_RFC-LINE_QIE_STATUS, sy-vline,
  WA_/SCWM/S_QUI_INT_ITM1_RFC-QENTITY_EXTID, sy-vline,
  WA_/SCWM/S_QUI_INT_ITM1_RFC-LGNUM, sy-vline,
  WA_/SCWM/S_QUI_INT_ITM1_RFC-QUAN, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SCWM/S_QUI_INT_ITM1_RFC 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_QUI_INT_ITM1_RFC 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_QUI_INT_ITM1_RFC INTO WA_/SCWM/S_QUI_INT_ITM1_RFC.


*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 QENTITY_EXTID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_QUI_INT_ITM1_RFC-QENTITY_EXTID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_QUI_INT_ITM1_RFC-QENTITY_EXTID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field ALTME
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_QUI_INT_ITM1_RFC-ALTME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_QUI_INT_ITM1_RFC-ALTME.
WRITE:/ 'New Value:', ld_input.

*Conversion exit HUID, internal->external for field DEST_HU
CALL FUNCTION 'CONVERSION_EXIT_HUID_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_QUI_INT_ITM1_RFC-DEST_HU
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_QUI_INT_ITM1_RFC-DEST_HU.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field CWUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_QUI_INT_ITM1_RFC-CWUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_QUI_INT_ITM1_RFC-CWUNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MEINS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_QUI_INT_ITM1_RFC-MEINS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_QUI_INT_ITM1_RFC-MEINS.
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_QUI_INT_ITM1_RFC_STR, 
GUID_HU TYPE STRING,
GUID_STOCK TYPE STRING,
GUID_QENTITY TYPE STRING,
GUID_QELEMENT TYPE STRING,
QIOT TYPE STRING,
LINE_TYPE TYPE STRING,
LINE_STATUS TYPE STRING,
LINE_QIE_STATUS TYPE STRING,
QENTITY_EXTID TYPE STRING,
LGNUM TYPE STRING,
QUAN TYPE STRING,
DIFF_QUAN_HU TYPE STRING,
ALTME TYPE STRING,
DECI_CODE_ID TYPE STRING,
DCOD_GROUP TYPE STRING,
FUP TYPE STRING,
GUID_DEST_HU TYPE STRING,
DEST_HU TYPE STRING,
EXCCODE TYPE STRING,
CWQUAN TYPE STRING,
CWUNIT TYPE STRING,
CWEXACT TYPE STRING,
CWDIFF TYPE STRING,
PROC_START_DATE TYPE STRING,
PROC_START_TIME TYPE STRING,
PROC_FINISH_DATE TYPE STRING,
PROC_FINISH_TIME TYPE STRING,
QUANTITY TYPE STRING,
MEINS TYPE STRING,
UPDIND TYPE STRING,
RETURNS_WO_QM TYPE STRING,
BATCH_VAL_CHG TYPE STRING,
CLOSE_HU TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SCWM/S_QUI_INT_ITM1_RFC_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_QUI_INT_ITM1_RFC_STR-GUID_HU sy-vline 
WA_/SCWM/S_QUI_INT_ITM1_RFC_STR-GUID_STOCK sy-vline 
WA_/SCWM/S_QUI_INT_ITM1_RFC_STR-GUID_QENTITY sy-vline 
WA_/SCWM/S_QUI_INT_ITM1_RFC_STR-GUID_QELEMENT sy-vline 
WA_/SCWM/S_QUI_INT_ITM1_RFC_STR-QIOT sy-vline 
WA_/SCWM/S_QUI_INT_ITM1_RFC_STR-LINE_TYPE sy-vline 
WA_/SCWM/S_QUI_INT_ITM1_RFC_STR-LINE_STATUS sy-vline 
WA_/SCWM/S_QUI_INT_ITM1_RFC_STR-LINE_QIE_STATUS sy-vline 
WA_/SCWM/S_QUI_INT_ITM1_RFC_STR-QENTITY_EXTID sy-vline 
WA_/SCWM/S_QUI_INT_ITM1_RFC_STR-LGNUM sy-vline 
WA_/SCWM/S_QUI_INT_ITM1_RFC_STR-QUAN sy-vline 
WA_/SCWM/S_QUI_INT_ITM1_RFC_STR-DIFF_QUAN_HU sy-vline 
WA_/SCWM/S_QUI_INT_ITM1_RFC_STR-ALTME sy-vline 
WA_/SCWM/S_QUI_INT_ITM1_RFC_STR-DECI_CODE_ID sy-vline 
WA_/SCWM/S_QUI_INT_ITM1_RFC_STR-DCOD_GROUP sy-vline 
WA_/SCWM/S_QUI_INT_ITM1_RFC_STR-FUP sy-vline 
WA_/SCWM/S_QUI_INT_ITM1_RFC_STR-GUID_DEST_HU sy-vline 
WA_/SCWM/S_QUI_INT_ITM1_RFC_STR-DEST_HU sy-vline 
WA_/SCWM/S_QUI_INT_ITM1_RFC_STR-EXCCODE sy-vline 
WA_/SCWM/S_QUI_INT_ITM1_RFC_STR-CWQUAN sy-vline 
WA_/SCWM/S_QUI_INT_ITM1_RFC_STR-CWUNIT sy-vline 
WA_/SCWM/S_QUI_INT_ITM1_RFC_STR-CWEXACT sy-vline 
WA_/SCWM/S_QUI_INT_ITM1_RFC_STR-CWDIFF sy-vline 
WA_/SCWM/S_QUI_INT_ITM1_RFC_STR-PROC_START_DATE sy-vline 
WA_/SCWM/S_QUI_INT_ITM1_RFC_STR-PROC_START_TIME sy-vline 
WA_/SCWM/S_QUI_INT_ITM1_RFC_STR-PROC_FINISH_DATE sy-vline 
WA_/SCWM/S_QUI_INT_ITM1_RFC_STR-PROC_FINISH_TIME sy-vline 
WA_/SCWM/S_QUI_INT_ITM1_RFC_STR-QUANTITY sy-vline 
WA_/SCWM/S_QUI_INT_ITM1_RFC_STR-MEINS sy-vline 
WA_/SCWM/S_QUI_INT_ITM1_RFC_STR-UPDIND sy-vline 
WA_/SCWM/S_QUI_INT_ITM1_RFC_STR-RETURNS_WO_QM sy-vline 
WA_/SCWM/S_QUI_INT_ITM1_RFC_STR-BATCH_VAL_CHG sy-vline 
WA_/SCWM/S_QUI_INT_ITM1_RFC_STR-CLOSE_HU sy-vline      INTO ld_text SEPARATED BY SPACE.

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