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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SCWM/S_KIT_ORD_BY_WORKC_EXT
*  INTO TABLE @DATA(IT_/SCWM/S_KIT_ORD_BY_WORKC_EXT2).
*--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_KIT_ORD_BY_WORKC_EXT INDEX 1 INTO DATA(WA_/SCWM/S_KIT_ORD_BY_WORKC_EXT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SCWM/S_KIT_ORD_BY_WORKC_EXT>-WORKCENTER = 1.
</SCWM/S_KIT_ORD_BY_WORKC_EXT>-WAVE = 1.
</SCWM/S_KIT_ORD_BY_WORKC_EXT>-NUMB_KIT_ORD = 1.
</SCWM/S_KIT_ORD_BY_WORKC_EXT>-KIT_QUANTITY = 1.
</SCWM/S_KIT_ORD_BY_WORKC_EXT>-KIT_UNIT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SCWM/S_KIT_ORD_BY_WORKC_EXT-NUMB_COMPONENTS, sy-vline,
  WA_/SCWM/S_KIT_ORD_BY_WORKC_EXT-COMP_QUANTITY, sy-vline,
  WA_/SCWM/S_KIT_ORD_BY_WORKC_EXT-COMP_UNIT, sy-vline,
  WA_/SCWM/S_KIT_ORD_BY_WORKC_EXT-NUMB_OPEN_TO, sy-vline,
  WA_/SCWM/S_KIT_ORD_BY_WORKC_EXT-NUMB_OPEN_HU_TO, sy-vline,
  WA_/SCWM/S_KIT_ORD_BY_WORKC_EXT-NUMB_INCOMP_KITS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SCWM/S_KIT_ORD_BY_WORKC_EXT 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_KIT_ORD_BY_WORKC_EXT 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_KIT_ORD_BY_WORKC_EXT INTO WA_/SCWM/S_KIT_ORD_BY_WORKC_EXT.


*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 ALPH0, internal->external for field WAVE
CALL FUNCTION 'CONVERSION_EXIT_ALPH0_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_KIT_ORD_BY_WORKC_EXT-WAVE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_KIT_ORD_BY_WORKC_EXT-WAVE.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit CUNIT, internal->external for field UNIT_W
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_KIT_ORD_BY_WORKC_EXT-UNIT_W
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_KIT_ORD_BY_WORKC_EXT-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_KIT_ORD_BY_WORKC_EXT-UNIT_V
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_KIT_ORD_BY_WORKC_EXT-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_KIT_ORD_BY_WORKC_EXT_STR, 
WORKCENTER TYPE STRING,
WAVE TYPE STRING,
NUMB_KIT_ORD TYPE STRING,
KIT_QUANTITY TYPE STRING,
KIT_UNIT TYPE STRING,
NUMB_COMPONENTS TYPE STRING,
COMP_QUANTITY TYPE STRING,
COMP_UNIT TYPE STRING,
NUMB_OPEN_TO TYPE STRING,
NUMB_OPEN_HU_TO TYPE STRING,
NUMB_INCOMP_KITS TYPE STRING,
KIT_QTY_TO_KIT TYPE STRING,
QTY_TO_KIT_UNIT TYPE STRING,
WEIGHT_REMAINING_COMP TYPE STRING,
UNIT_W TYPE STRING,
CUBE TYPE STRING,
UNIT_V TYPE STRING,
T_VAS_MODEL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SCWM/S_KIT_ORD_BY_WORKC_EXT_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_KIT_ORD_BY_WORKC_EXT_STR-WORKCENTER sy-vline 
WA_/SCWM/S_KIT_ORD_BY_WORKC_EXT_STR-WAVE sy-vline 
WA_/SCWM/S_KIT_ORD_BY_WORKC_EXT_STR-NUMB_KIT_ORD sy-vline 
WA_/SCWM/S_KIT_ORD_BY_WORKC_EXT_STR-KIT_QUANTITY sy-vline 
WA_/SCWM/S_KIT_ORD_BY_WORKC_EXT_STR-KIT_UNIT sy-vline 
WA_/SCWM/S_KIT_ORD_BY_WORKC_EXT_STR-NUMB_COMPONENTS sy-vline 
WA_/SCWM/S_KIT_ORD_BY_WORKC_EXT_STR-COMP_QUANTITY sy-vline 
WA_/SCWM/S_KIT_ORD_BY_WORKC_EXT_STR-COMP_UNIT sy-vline 
WA_/SCWM/S_KIT_ORD_BY_WORKC_EXT_STR-NUMB_OPEN_TO sy-vline 
WA_/SCWM/S_KIT_ORD_BY_WORKC_EXT_STR-NUMB_OPEN_HU_TO sy-vline 
WA_/SCWM/S_KIT_ORD_BY_WORKC_EXT_STR-NUMB_INCOMP_KITS sy-vline 
WA_/SCWM/S_KIT_ORD_BY_WORKC_EXT_STR-KIT_QTY_TO_KIT sy-vline 
WA_/SCWM/S_KIT_ORD_BY_WORKC_EXT_STR-QTY_TO_KIT_UNIT sy-vline 
WA_/SCWM/S_KIT_ORD_BY_WORKC_EXT_STR-WEIGHT_REMAINING_COMP sy-vline 
WA_/SCWM/S_KIT_ORD_BY_WORKC_EXT_STR-UNIT_W sy-vline 
WA_/SCWM/S_KIT_ORD_BY_WORKC_EXT_STR-CUBE sy-vline 
WA_/SCWM/S_KIT_ORD_BY_WORKC_EXT_STR-UNIT_V sy-vline 
WA_/SCWM/S_KIT_ORD_BY_WORKC_EXT_STR-T_VAS_MODEL sy-vline      INTO ld_text SEPARATED BY SPACE.

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