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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SCWM/S_WVMGT_UI_WVITM
*  INTO TABLE @DATA(IT_/SCWM/S_WVMGT_UI_WVITM2).
*--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_WVMGT_UI_WVITM INDEX 1 INTO DATA(WA_/SCWM/S_WVMGT_UI_WVITM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SCWM/S_WVMGT_UI_WVITM>-LGNUM = 1.
</SCWM/S_WVMGT_UI_WVITM>-WAVE = 1.
</SCWM/S_WVMGT_UI_WVITM>-WAVE_ITM = 1.
</SCWM/S_WVMGT_UI_WVITM>-RDOCID = 1.
</SCWM/S_WVMGT_UI_WVITM>-RDOCNO = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SCWM/S_WVMGT_UI_WVITM-RITMID, sy-vline,
  WA_/SCWM/S_WVMGT_UI_WVITM-RITMNO, sy-vline,
  WA_/SCWM/S_WVMGT_UI_WVITM-SPLIT_ID, sy-vline,
  WA_/SCWM/S_WVMGT_UI_WVITM-WHNO, sy-vline,
  WA_/SCWM/S_WVMGT_UI_WVITM-DOCCAT, sy-vline,
  WA_/SCWM/S_WVMGT_UI_WVITM-DOCTYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SCWM/S_WVMGT_UI_WVITM 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_WVMGT_UI_WVITM 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_WVMGT_UI_WVITM INTO WA_/SCWM/S_WVMGT_UI_WVITM.


*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_WVMGT_UI_WVITM-WAVE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_WVMGT_UI_WVITM-WAVE.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field RDOCNO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_WVMGT_UI_WVITM-RDOCNO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_WVMGT_UI_WVITM-RDOCNO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RITMNO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_WVMGT_UI_WVITM-RITMNO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_WVMGT_UI_WVITM-RITMNO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field PRODUCTNO
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_WVMGT_UI_WVITM-PRODUCTNO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_WVMGT_UI_WVITM-PRODUCTNO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ENTITLED
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_WVMGT_UI_WVITM-ENTITLED
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_WVMGT_UI_WVITM-ENTITLED.
WRITE:/ 'New Value:', ld_input.

*Conversion exit BPMAP, internal->external for field OWNER
CALL FUNCTION 'CONVERSION_EXIT_BPMAP_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_WVMGT_UI_WVITM-OWNER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_WVMGT_UI_WVITM-OWNER.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit BPMAP, internal->external for field SHIPTO
CALL FUNCTION 'CONVERSION_EXIT_BPMAP_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_WVMGT_UI_WVITM-SHIPTO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_WVMGT_UI_WVITM-SHIPTO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CARRIER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_WVMGT_UI_WVITM-CARRIER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_WVMGT_UI_WVITM-CARRIER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field REFDOCNO_SO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_WVMGT_UI_WVITM-REFDOCNO_SO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_WVMGT_UI_WVITM-REFDOCNO_SO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSPWM, internal->external for field TSP
CALL FUNCTION 'CONVERSION_EXIT_TSPWM_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_WVMGT_UI_WVITM-TSP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_WVMGT_UI_WVITM-TSP.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field FRD_NUM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_WVMGT_UI_WVITM-FRD_NUM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_WVMGT_UI_WVITM-FRD_NUM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field WV_UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_WVMGT_UI_WVITM-WV_UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_WVMGT_UI_WVITM-WV_UNIT.
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_WVMGT_UI_WVITM_STR, 
LGNUM TYPE STRING,
WAVE TYPE STRING,
WAVE_ITM TYPE STRING,
RDOCID TYPE STRING,
RDOCNO TYPE STRING,
RITMID TYPE STRING,
RITMNO TYPE STRING,
SPLIT_ID TYPE STRING,
WHNO TYPE STRING,
DOCCAT TYPE STRING,
DOCTYPE TYPE STRING,
ITEMCAT TYPE STRING,
ITEMTYPE TYPE STRING,
PRODUCTNO TYPE STRING,
ENTITLED TYPE STRING,
OWNER TYPE STRING,
BATCHNO TYPE STRING,
QTY TYPE STRING,
QTY_UOM TYPE STRING,
GROSS_WEIGHT TYPE STRING,
WEIGHT_UOM TYPE STRING,
GROSS_VOLUME TYPE STRING,
VOLUME_UOM TYPE STRING,
GOODS_ISSUE_DATE TYPE STRING,
GOODS_ISSUE_TM TYPE STRING,
OUTYARD_DATE TYPE STRING,
OUTYARD_TM TYPE STRING,
COMPL_DATE TYPE STRING,
COMPL_TM TYPE STRING,
AAREA TYPE STRING,
PROCTY TYPE STRING,
STOTYPE TYPE STRING,
STOSEC TYPE STRING,
STAREAGR TYPE STRING,
STAREA TYPE STRING,
DOOR TYPE STRING,
MOVECNTRL TYPE STRING,
WAVEPRIO TYPE STRING,
SHIPTO TYPE STRING,
CARRIER TYPE STRING,
ROUTE TYPE STRING,
DEPART_SCHED TYPE STRING,
WVFLG TYPE STRING,
REFDOCNO_SO TYPE STRING,
MEDI_PROC TYPE STRING,
TU_NUM_EXT TYPE STRING,
TSP TYPE STRING,
FRD_NUM TYPE STRING,
TYPE_2ST TYPE STRING,
STAT_CR TYPE STRING,
CAPA TYPE STRING,
WV_ERROR TYPE STRING,
WV_QUAN TYPE STRING,
WV_UNIT TYPE STRING,
SIM_ICON TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SCWM/S_WVMGT_UI_WVITM_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_WVMGT_UI_WVITM_STR-LGNUM sy-vline 
WA_/SCWM/S_WVMGT_UI_WVITM_STR-WAVE sy-vline 
WA_/SCWM/S_WVMGT_UI_WVITM_STR-WAVE_ITM sy-vline 
WA_/SCWM/S_WVMGT_UI_WVITM_STR-RDOCID sy-vline 
WA_/SCWM/S_WVMGT_UI_WVITM_STR-RDOCNO sy-vline 
WA_/SCWM/S_WVMGT_UI_WVITM_STR-RITMID sy-vline 
WA_/SCWM/S_WVMGT_UI_WVITM_STR-RITMNO sy-vline 
WA_/SCWM/S_WVMGT_UI_WVITM_STR-SPLIT_ID sy-vline 
WA_/SCWM/S_WVMGT_UI_WVITM_STR-WHNO sy-vline 
WA_/SCWM/S_WVMGT_UI_WVITM_STR-DOCCAT sy-vline 
WA_/SCWM/S_WVMGT_UI_WVITM_STR-DOCTYPE sy-vline 
WA_/SCWM/S_WVMGT_UI_WVITM_STR-ITEMCAT sy-vline 
WA_/SCWM/S_WVMGT_UI_WVITM_STR-ITEMTYPE sy-vline 
WA_/SCWM/S_WVMGT_UI_WVITM_STR-PRODUCTNO sy-vline 
WA_/SCWM/S_WVMGT_UI_WVITM_STR-ENTITLED sy-vline 
WA_/SCWM/S_WVMGT_UI_WVITM_STR-OWNER sy-vline 
WA_/SCWM/S_WVMGT_UI_WVITM_STR-BATCHNO sy-vline 
WA_/SCWM/S_WVMGT_UI_WVITM_STR-QTY sy-vline 
WA_/SCWM/S_WVMGT_UI_WVITM_STR-QTY_UOM sy-vline 
WA_/SCWM/S_WVMGT_UI_WVITM_STR-GROSS_WEIGHT sy-vline 
WA_/SCWM/S_WVMGT_UI_WVITM_STR-WEIGHT_UOM sy-vline 
WA_/SCWM/S_WVMGT_UI_WVITM_STR-GROSS_VOLUME sy-vline 
WA_/SCWM/S_WVMGT_UI_WVITM_STR-VOLUME_UOM sy-vline 
WA_/SCWM/S_WVMGT_UI_WVITM_STR-GOODS_ISSUE_DATE sy-vline 
WA_/SCWM/S_WVMGT_UI_WVITM_STR-GOODS_ISSUE_TM sy-vline 
WA_/SCWM/S_WVMGT_UI_WVITM_STR-OUTYARD_DATE sy-vline 
WA_/SCWM/S_WVMGT_UI_WVITM_STR-OUTYARD_TM sy-vline 
WA_/SCWM/S_WVMGT_UI_WVITM_STR-COMPL_DATE sy-vline 
WA_/SCWM/S_WVMGT_UI_WVITM_STR-COMPL_TM sy-vline 
WA_/SCWM/S_WVMGT_UI_WVITM_STR-AAREA sy-vline 
WA_/SCWM/S_WVMGT_UI_WVITM_STR-PROCTY sy-vline 
WA_/SCWM/S_WVMGT_UI_WVITM_STR-STOTYPE sy-vline 
WA_/SCWM/S_WVMGT_UI_WVITM_STR-STOSEC sy-vline 
WA_/SCWM/S_WVMGT_UI_WVITM_STR-STAREAGR sy-vline 
WA_/SCWM/S_WVMGT_UI_WVITM_STR-STAREA sy-vline 
WA_/SCWM/S_WVMGT_UI_WVITM_STR-DOOR sy-vline 
WA_/SCWM/S_WVMGT_UI_WVITM_STR-MOVECNTRL sy-vline 
WA_/SCWM/S_WVMGT_UI_WVITM_STR-WAVEPRIO sy-vline 
WA_/SCWM/S_WVMGT_UI_WVITM_STR-SHIPTO sy-vline 
WA_/SCWM/S_WVMGT_UI_WVITM_STR-CARRIER sy-vline 
WA_/SCWM/S_WVMGT_UI_WVITM_STR-ROUTE sy-vline 
WA_/SCWM/S_WVMGT_UI_WVITM_STR-DEPART_SCHED sy-vline 
WA_/SCWM/S_WVMGT_UI_WVITM_STR-WVFLG sy-vline 
WA_/SCWM/S_WVMGT_UI_WVITM_STR-REFDOCNO_SO sy-vline 
WA_/SCWM/S_WVMGT_UI_WVITM_STR-MEDI_PROC sy-vline 
WA_/SCWM/S_WVMGT_UI_WVITM_STR-TU_NUM_EXT sy-vline 
WA_/SCWM/S_WVMGT_UI_WVITM_STR-TSP sy-vline 
WA_/SCWM/S_WVMGT_UI_WVITM_STR-FRD_NUM sy-vline 
WA_/SCWM/S_WVMGT_UI_WVITM_STR-TYPE_2ST sy-vline 
WA_/SCWM/S_WVMGT_UI_WVITM_STR-STAT_CR sy-vline 
WA_/SCWM/S_WVMGT_UI_WVITM_STR-CAPA sy-vline 
WA_/SCWM/S_WVMGT_UI_WVITM_STR-WV_ERROR sy-vline 
WA_/SCWM/S_WVMGT_UI_WVITM_STR-WV_QUAN sy-vline 
WA_/SCWM/S_WVMGT_UI_WVITM_STR-WV_UNIT sy-vline 
WA_/SCWM/S_WVMGT_UI_WVITM_STR-SIM_ICON sy-vline      INTO ld_text SEPARATED BY SPACE.

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