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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SCWM/S_QI_ELEMENT_DISP
*  INTO TABLE @DATA(IT_/SCWM/S_QI_ELEMENT_DISP2).
*--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_QI_ELEMENT_DISP INDEX 1 INTO DATA(WA_/SCWM/S_QI_ELEMENT_DISP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SCWM/S_QI_ELEMENT_DISP>-CATEGORY = 1.
</SCWM/S_QI_ELEMENT_DISP>-EXTERNAL_ID = 1.
</SCWM/S_QI_ELEMENT_DISP>-SUB_CATEGORY = 1.
</SCWM/S_QI_ELEMENT_DISP>-TYPE_ID = 1.
</SCWM/S_QI_ELEMENT_DISP>-SYSSTAT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SCWM/S_QI_ELEMENT_DISP-USERSTAT, sy-vline,
  WA_/SCWM/S_QI_ELEMENT_DISP-QUANTITY, sy-vline,
  WA_/SCWM/S_QI_ELEMENT_DISP-UNIT, sy-vline,
  WA_/SCWM/S_QI_ELEMENT_DISP-CWQUAN, sy-vline,
  WA_/SCWM/S_QI_ELEMENT_DISP-CWUNIT, sy-vline,
  WA_/SCWM/S_QI_ELEMENT_DISP-MATID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SCWM/S_QI_ELEMENT_DISP 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_QI_ELEMENT_DISP 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_QI_ELEMENT_DISP INTO WA_/SCWM/S_QI_ELEMENT_DISP.


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

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

*Conversion exit MDLPD, internal->external for field MATID
CALL FUNCTION 'CONVERSION_EXIT_MDLPD_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_QI_ELEMENT_DISP-MATID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_QI_ELEMENT_DISP-MATID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit PROCR, internal->external for field PROCESSOR
CALL FUNCTION 'CONVERSION_EXIT_PROCR_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_QI_ELEMENT_DISP-PROCESSOR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_QI_ELEMENT_DISP-PROCESSOR.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit HUID, internal->external for field HUIDENT_CUR
CALL FUNCTION 'CONVERSION_EXIT_HUID_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_QI_ELEMENT_DISP-HUIDENT_CUR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_QI_ELEMENT_DISP-HUIDENT_CUR.
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_QI_ELEMENT_DISP_STR, 
CATEGORY TYPE STRING,
EXTERNAL_ID TYPE STRING,
SUB_CATEGORY TYPE STRING,
TYPE_ID TYPE STRING,
SYSSTAT TYPE STRING,
USERSTAT TYPE STRING,
QUANTITY TYPE STRING,
UNIT TYPE STRING,
CWQUAN TYPE STRING,
CWUNIT TYPE STRING,
MATID TYPE STRING,
DESCRIPTION TYPE STRING,
CONTAINER_ID TYPE STRING,
TARGET TYPE STRING,
DRAWN_DATE TYPE STRING,
DRAWN_TIME TYPE STRING,
DRAWN_BY TYPE STRING,
PROCESSOR TYPE STRING,
SAMP_DRWP_TYPE TYPE STRING,
HUIDENT_FROM TYPE STRING,
PROCS TYPE STRING,
DECI_CODE_ID TYPE STRING,
QUALITY_SCORE TYPE STRING,
FOLLOW_UP TYPE STRING,
VALUATION TYPE STRING,
DECIDED_DATE TYPE STRING,
DECIDED_TIME TYPE STRING,
DECIDED_BY TYPE STRING,
DCOD_BUND_ID TYPE STRING,
CREATED_BY TYPE STRING,
CREATED_DATE TYPE STRING,
CREATED_TIME TYPE STRING,
CHANGED_BY TYPE STRING,
CHANGED_DATE TYPE STRING,
CHANGED_TIME TYPE STRING,
WORKCENTER TYPE STRING,
LGTYP_CUR TYPE STRING,
LGPLA_CUR TYPE STRING,
LGBER_CUR TYPE STRING,
HUIDENT_CUR TYPE STRING,
QIE_TV_ELEM_SUB_CATEGORY TYPE STRING,
QIE_TV_SAMP_DRWP_TYPE TYPE STRING,
QIE_TV_VALUATION TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SCWM/S_QI_ELEMENT_DISP_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_QI_ELEMENT_DISP_STR-CATEGORY sy-vline 
WA_/SCWM/S_QI_ELEMENT_DISP_STR-EXTERNAL_ID sy-vline 
WA_/SCWM/S_QI_ELEMENT_DISP_STR-SUB_CATEGORY sy-vline 
WA_/SCWM/S_QI_ELEMENT_DISP_STR-TYPE_ID sy-vline 
WA_/SCWM/S_QI_ELEMENT_DISP_STR-SYSSTAT sy-vline 
WA_/SCWM/S_QI_ELEMENT_DISP_STR-USERSTAT sy-vline 
WA_/SCWM/S_QI_ELEMENT_DISP_STR-QUANTITY sy-vline 
WA_/SCWM/S_QI_ELEMENT_DISP_STR-UNIT sy-vline 
WA_/SCWM/S_QI_ELEMENT_DISP_STR-CWQUAN sy-vline 
WA_/SCWM/S_QI_ELEMENT_DISP_STR-CWUNIT sy-vline 
WA_/SCWM/S_QI_ELEMENT_DISP_STR-MATID sy-vline 
WA_/SCWM/S_QI_ELEMENT_DISP_STR-DESCRIPTION sy-vline 
WA_/SCWM/S_QI_ELEMENT_DISP_STR-CONTAINER_ID sy-vline 
WA_/SCWM/S_QI_ELEMENT_DISP_STR-TARGET sy-vline 
WA_/SCWM/S_QI_ELEMENT_DISP_STR-DRAWN_DATE sy-vline 
WA_/SCWM/S_QI_ELEMENT_DISP_STR-DRAWN_TIME sy-vline 
WA_/SCWM/S_QI_ELEMENT_DISP_STR-DRAWN_BY sy-vline 
WA_/SCWM/S_QI_ELEMENT_DISP_STR-PROCESSOR sy-vline 
WA_/SCWM/S_QI_ELEMENT_DISP_STR-SAMP_DRWP_TYPE sy-vline 
WA_/SCWM/S_QI_ELEMENT_DISP_STR-HUIDENT_FROM sy-vline 
WA_/SCWM/S_QI_ELEMENT_DISP_STR-PROCS sy-vline 
WA_/SCWM/S_QI_ELEMENT_DISP_STR-DECI_CODE_ID sy-vline 
WA_/SCWM/S_QI_ELEMENT_DISP_STR-QUALITY_SCORE sy-vline 
WA_/SCWM/S_QI_ELEMENT_DISP_STR-FOLLOW_UP sy-vline 
WA_/SCWM/S_QI_ELEMENT_DISP_STR-VALUATION sy-vline 
WA_/SCWM/S_QI_ELEMENT_DISP_STR-DECIDED_DATE sy-vline 
WA_/SCWM/S_QI_ELEMENT_DISP_STR-DECIDED_TIME sy-vline 
WA_/SCWM/S_QI_ELEMENT_DISP_STR-DECIDED_BY sy-vline 
WA_/SCWM/S_QI_ELEMENT_DISP_STR-DCOD_BUND_ID sy-vline 
WA_/SCWM/S_QI_ELEMENT_DISP_STR-CREATED_BY sy-vline 
WA_/SCWM/S_QI_ELEMENT_DISP_STR-CREATED_DATE sy-vline 
WA_/SCWM/S_QI_ELEMENT_DISP_STR-CREATED_TIME sy-vline 
WA_/SCWM/S_QI_ELEMENT_DISP_STR-CHANGED_BY sy-vline 
WA_/SCWM/S_QI_ELEMENT_DISP_STR-CHANGED_DATE sy-vline 
WA_/SCWM/S_QI_ELEMENT_DISP_STR-CHANGED_TIME sy-vline 
WA_/SCWM/S_QI_ELEMENT_DISP_STR-WORKCENTER sy-vline 
WA_/SCWM/S_QI_ELEMENT_DISP_STR-LGTYP_CUR sy-vline 
WA_/SCWM/S_QI_ELEMENT_DISP_STR-LGPLA_CUR sy-vline 
WA_/SCWM/S_QI_ELEMENT_DISP_STR-LGBER_CUR sy-vline 
WA_/SCWM/S_QI_ELEMENT_DISP_STR-HUIDENT_CUR sy-vline 
WA_/SCWM/S_QI_ELEMENT_DISP_STR-QIE_TV_ELEM_SUB_CATEGORY sy-vline 
WA_/SCWM/S_QI_ELEMENT_DISP_STR-QIE_TV_SAMP_DRWP_TYPE sy-vline 
WA_/SCWM/S_QI_ELEMENT_DISP_STR-QIE_TV_VALUATION sy-vline      INTO ld_text SEPARATED BY SPACE.

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