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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SCWM/S_WVMGT_UI_ADV_WV
*  INTO TABLE @DATA(IT_/SCWM/S_WVMGT_UI_ADV_WV2).
*--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_ADV_WV INDEX 1 INTO DATA(WA_/SCWM/S_WVMGT_UI_ADV_WV2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SCWM/S_WVMGT_UI_ADV_WV>-LGNUM = 1.
</SCWM/S_WVMGT_UI_ADV_WV>-WAVE = 1.
</SCWM/S_WVMGT_UI_ADV_WV>-TMPLT = 1.
</SCWM/S_WVMGT_UI_ADV_WV>-WVTYP = 1.
</SCWM/S_WVMGT_UI_ADV_WV>-WVCAT = 1.

ENDLOOP.

LOOP AT IT_/SCWM/S_WVMGT_UI_ADV_WV INTO WA_/SCWM/S_WVMGT_UI_ADV_WV.
*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_ADV_WV-RLS_MTHD, sy-vline,
  WA_/SCWM/S_WVMGT_UI_ADV_WV-WVSTATUS, sy-vline,
  WA_/SCWM/S_WVMGT_UI_ADV_WV-CUTOFF_DATE_FR, sy-vline,
  WA_/SCWM/S_WVMGT_UI_ADV_WV-CUTOFF_TM_FR, sy-vline,
  WA_/SCWM/S_WVMGT_UI_ADV_WV-CUTOFF_DATE_TO, sy-vline,
  WA_/SCWM/S_WVMGT_UI_ADV_WV-CUTOFF_TM_TO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SCWM/S_WVMGT_UI_ADV_WV 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_ADV_WV 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_ADV_WV INTO WA_/SCWM/S_WVMGT_UI_ADV_WV.


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

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

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

*Conversion exit ALPH0, internal->external for field ITEMNO
CALL FUNCTION 'CONVERSION_EXIT_ALPH0_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_WVMGT_UI_ADV_WV-ITEMNO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_WVMGT_UI_ADV_WV-ITEMNO.
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_ADV_WV-ENTITLED
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_WVMGT_UI_ADV_WV-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_ADV_WV-OWNER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_WVMGT_UI_ADV_WV-OWNER.
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_ADV_WV-SHIPTO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_WVMGT_UI_ADV_WV-SHIPTO.
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_ADV_WV-REFDOCNO_SO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_WVMGT_UI_ADV_WV-REFDOCNO_SO.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit TSPWM, internal->external for field CARRIER
CALL FUNCTION 'CONVERSION_EXIT_TSPWM_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_WVMGT_UI_ADV_WV-CARRIER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_WVMGT_UI_ADV_WV-CARRIER.
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_ADV_WV_STR, 
LGNUM TYPE STRING,
WAVE TYPE STRING,
TMPLT TYPE STRING,
WVTYP TYPE STRING,
WVCAT TYPE STRING,
RLS_MTHD TYPE STRING,
WVSTATUS TYPE STRING,
CUTOFF_DATE_FR TYPE STRING,
CUTOFF_TM_FR TYPE STRING,
CUTOFF_DATE_TO TYPE STRING,
CUTOFF_TM_TO TYPE STRING,
RLS_DATE_FR TYPE STRING,
RLS_TM_FR TYPE STRING,
RLS_DATE_TO TYPE STRING,
RLS_TM_TO TYPE STRING,
COMPL_DATE_FR TYPE STRING,
COMPL_TM_FR TYPE STRING,
COMPL_DATE_TO TYPE STRING,
COMPL_TM_TO TYPE STRING,
DOCNO TYPE STRING,
ITEMNO TYPE STRING,
ENTITLED TYPE STRING,
OWNER TYPE STRING,
SHIPTO TYPE STRING,
ROUTE_ID TYPE STRING,
REFDOCNO_SO TYPE STRING,
AAREA TYPE STRING,
PRODUCT TYPE STRING,
BATCHNO TYPE STRING,
STAT_CR TYPE STRING,
TU_NUM_EXT TYPE STRING,
CARRIER TYPE STRING,
WV_COMPLETE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SCWM/S_WVMGT_UI_ADV_WV_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_ADV_WV_STR-LGNUM sy-vline 
WA_/SCWM/S_WVMGT_UI_ADV_WV_STR-WAVE sy-vline 
WA_/SCWM/S_WVMGT_UI_ADV_WV_STR-TMPLT sy-vline 
WA_/SCWM/S_WVMGT_UI_ADV_WV_STR-WVTYP sy-vline 
WA_/SCWM/S_WVMGT_UI_ADV_WV_STR-WVCAT sy-vline 
WA_/SCWM/S_WVMGT_UI_ADV_WV_STR-RLS_MTHD sy-vline 
WA_/SCWM/S_WVMGT_UI_ADV_WV_STR-WVSTATUS sy-vline 
WA_/SCWM/S_WVMGT_UI_ADV_WV_STR-CUTOFF_DATE_FR sy-vline 
WA_/SCWM/S_WVMGT_UI_ADV_WV_STR-CUTOFF_TM_FR sy-vline 
WA_/SCWM/S_WVMGT_UI_ADV_WV_STR-CUTOFF_DATE_TO sy-vline 
WA_/SCWM/S_WVMGT_UI_ADV_WV_STR-CUTOFF_TM_TO sy-vline 
WA_/SCWM/S_WVMGT_UI_ADV_WV_STR-RLS_DATE_FR sy-vline 
WA_/SCWM/S_WVMGT_UI_ADV_WV_STR-RLS_TM_FR sy-vline 
WA_/SCWM/S_WVMGT_UI_ADV_WV_STR-RLS_DATE_TO sy-vline 
WA_/SCWM/S_WVMGT_UI_ADV_WV_STR-RLS_TM_TO sy-vline 
WA_/SCWM/S_WVMGT_UI_ADV_WV_STR-COMPL_DATE_FR sy-vline 
WA_/SCWM/S_WVMGT_UI_ADV_WV_STR-COMPL_TM_FR sy-vline 
WA_/SCWM/S_WVMGT_UI_ADV_WV_STR-COMPL_DATE_TO sy-vline 
WA_/SCWM/S_WVMGT_UI_ADV_WV_STR-COMPL_TM_TO sy-vline 
WA_/SCWM/S_WVMGT_UI_ADV_WV_STR-DOCNO sy-vline 
WA_/SCWM/S_WVMGT_UI_ADV_WV_STR-ITEMNO sy-vline 
WA_/SCWM/S_WVMGT_UI_ADV_WV_STR-ENTITLED sy-vline 
WA_/SCWM/S_WVMGT_UI_ADV_WV_STR-OWNER sy-vline 
WA_/SCWM/S_WVMGT_UI_ADV_WV_STR-SHIPTO sy-vline 
WA_/SCWM/S_WVMGT_UI_ADV_WV_STR-ROUTE_ID sy-vline 
WA_/SCWM/S_WVMGT_UI_ADV_WV_STR-REFDOCNO_SO sy-vline 
WA_/SCWM/S_WVMGT_UI_ADV_WV_STR-AAREA sy-vline 
WA_/SCWM/S_WVMGT_UI_ADV_WV_STR-PRODUCT sy-vline 
WA_/SCWM/S_WVMGT_UI_ADV_WV_STR-BATCHNO sy-vline 
WA_/SCWM/S_WVMGT_UI_ADV_WV_STR-STAT_CR sy-vline 
WA_/SCWM/S_WVMGT_UI_ADV_WV_STR-TU_NUM_EXT sy-vline 
WA_/SCWM/S_WVMGT_UI_ADV_WV_STR-CARRIER sy-vline 
WA_/SCWM/S_WVMGT_UI_ADV_WV_STR-WV_COMPLETE sy-vline      INTO ld_text SEPARATED BY SPACE.

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