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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SCWM/S_CAP_RESULT
*  INTO TABLE @DATA(IT_/SCWM/S_CAP_RESULT2).
*--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_CAP_RESULT INDEX 1 INTO DATA(WA_/SCWM/S_CAP_RESULT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SCWM/S_CAP_RESULT>-RESULT_ID = 1.
</SCWM/S_CAP_RESULT>-CAP_HEAD = 1.
</SCWM/S_CAP_RESULT>-CAP_ITEM = 1.
</SCWM/S_CAP_RESULT>-CAP_TREE = 1.
</SCWM/S_CAP_RESULT>-CAP_AUXPMAT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SCWM/S_CAP_RESULT-CAP_HUIDENT, sy-vline,
  WA_/SCWM/S_CAP_RESULT-NOT_PACKABLE_ITEMS, sy-vline,
  WA_/SCWM/S_CAP_RESULT-MESSAGES, sy-vline,
  WA_/SCWM/S_CAP_RESULT-UNUSED_CAPACITY, sy-vline,
  WA_/SCWM/S_CAP_RESULT-WEIGHT, sy-vline,
  WA_/SCWM/S_CAP_RESULT-UNIT_W, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SCWM/S_CAP_RESULT 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_CAP_RESULT 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_CAP_RESULT INTO WA_/SCWM/S_CAP_RESULT.


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

*Conversion exit CUNIT, internal->external for field UNIT_V
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_CAP_RESULT-UNIT_V
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_CAP_RESULT-UNIT_V.
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_CAP_RESULT_STR, 
RESULT_ID TYPE STRING,
CAP_HEAD TYPE STRING,
CAP_ITEM TYPE STRING,
CAP_TREE TYPE STRING,
CAP_AUXPMAT TYPE STRING,
CAP_HUIDENT TYPE STRING,
NOT_PACKABLE_ITEMS TYPE STRING,
MESSAGES TYPE STRING,
UNUSED_CAPACITY TYPE STRING,
WEIGHT TYPE STRING,
UNIT_W TYPE STRING,
VOLUM TYPE STRING,
UNIT_V TYPE STRING,
CAPA TYPE STRING,
HU_SUM TYPE STRING,
PENALTIES TYPE STRING,
WEIGHT_UNUSED TYPE STRING,
VOLUME_UNUSED TYPE STRING,
CAPA_UNUSED TYPE STRING,
PACKAGE_PENALTY TYPE STRING,
PENALTIES_SUM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SCWM/S_CAP_RESULT_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_CAP_RESULT_STR-RESULT_ID sy-vline 
WA_/SCWM/S_CAP_RESULT_STR-CAP_HEAD sy-vline 
WA_/SCWM/S_CAP_RESULT_STR-CAP_ITEM sy-vline 
WA_/SCWM/S_CAP_RESULT_STR-CAP_TREE sy-vline 
WA_/SCWM/S_CAP_RESULT_STR-CAP_AUXPMAT sy-vline 
WA_/SCWM/S_CAP_RESULT_STR-CAP_HUIDENT sy-vline 
WA_/SCWM/S_CAP_RESULT_STR-NOT_PACKABLE_ITEMS sy-vline 
WA_/SCWM/S_CAP_RESULT_STR-MESSAGES sy-vline 
WA_/SCWM/S_CAP_RESULT_STR-UNUSED_CAPACITY sy-vline 
WA_/SCWM/S_CAP_RESULT_STR-WEIGHT sy-vline 
WA_/SCWM/S_CAP_RESULT_STR-UNIT_W sy-vline 
WA_/SCWM/S_CAP_RESULT_STR-VOLUM sy-vline 
WA_/SCWM/S_CAP_RESULT_STR-UNIT_V sy-vline 
WA_/SCWM/S_CAP_RESULT_STR-CAPA sy-vline 
WA_/SCWM/S_CAP_RESULT_STR-HU_SUM sy-vline 
WA_/SCWM/S_CAP_RESULT_STR-PENALTIES sy-vline 
WA_/SCWM/S_CAP_RESULT_STR-WEIGHT_UNUSED sy-vline 
WA_/SCWM/S_CAP_RESULT_STR-VOLUME_UNUSED sy-vline 
WA_/SCWM/S_CAP_RESULT_STR-CAPA_UNUSED sy-vline 
WA_/SCWM/S_CAP_RESULT_STR-PACKAGE_PENALTY sy-vline 
WA_/SCWM/S_CAP_RESULT_STR-PENALTIES_SUM sy-vline      INTO ld_text SEPARATED BY SPACE.

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