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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SCWM/S_PACK_VIEW_MAT
*  INTO TABLE @DATA(IT_/SCWM/S_PACK_VIEW_MAT2).
*--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_PACK_VIEW_MAT INDEX 1 INTO DATA(WA_/SCWM/S_PACK_VIEW_MAT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SCWM/S_PACK_VIEW_MAT>-MATID = 1.
</SCWM/S_PACK_VIEW_MAT>-MATNR = 1.
</SCWM/S_PACK_VIEW_MAT>-MAKTX = 1.
</SCWM/S_PACK_VIEW_MAT>-BATCHID = 1.
</SCWM/S_PACK_VIEW_MAT>-CHARG = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SCWM/S_PACK_VIEW_MAT-CAT, sy-vline,
  WA_/SCWM/S_PACK_VIEW_MAT-CAT_TEXT, sy-vline,
  WA_/SCWM/S_PACK_VIEW_MAT-ENTITLED, sy-vline,
  WA_/SCWM/S_PACK_VIEW_MAT-ENTITLED_ROLE, sy-vline,
  WA_/SCWM/S_PACK_VIEW_MAT-ENTITLED_TEXT, sy-vline,
  WA_/SCWM/S_PACK_VIEW_MAT-OWNER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SCWM/S_PACK_VIEW_MAT 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_PACK_VIEW_MAT 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_PACK_VIEW_MAT INTO WA_/SCWM/S_PACK_VIEW_MAT.


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

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

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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field INSPDOCNO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_PACK_VIEW_MAT-INSPDOCNO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_PACK_VIEW_MAT-INSPDOCNO.
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_PACK_VIEW_MAT_STR, 
MATID TYPE STRING,
MATNR TYPE STRING,
MAKTX TYPE STRING,
BATCHID TYPE STRING,
CHARG TYPE STRING,
CAT TYPE STRING,
CAT_TEXT TYPE STRING,
ENTITLED TYPE STRING,
ENTITLED_ROLE TYPE STRING,
ENTITLED_TEXT TYPE STRING,
OWNER TYPE STRING,
OWNER_ROLE TYPE STRING,
OWNER_TEXT TYPE STRING,
STOCK_DOCCAT TYPE STRING,
STOCK_DOCCAT_TEXT TYPE STRING,
STOCK_DOCNO TYPE STRING,
STOCK_DOCNO_EXT TYPE STRING,
STOCK_ITMNO TYPE STRING,
STOCK_USAGE TYPE STRING,
STOCK_USAGE_TEXT TYPE STRING,
STREF_DOCCAT TYPE STRING,
STREF_DOCCAT_TEXT TYPE STRING,
QUAN TYPE STRING,
MEINS TYPE STRING,
QUAN_ALT TYPE STRING,
TMENG TYPE STRING,
CWPQUAN TYPE STRING,
ALTME TYPE STRING,
GUID_STOCK TYPE STRING,
GUID_PARENT TYPE STRING,
VSI TYPE STRING,
ICON_VSI TYPE STRING,
GUID_PARENT_TYPE TYPE STRING,
ICON_DELETE TYPE STRING,
QUANTITY TYPE STRING,
DEL_QTY TYPE STRING,
PACKED_QTY TYPE STRING,
CWQUAN TYPE STRING,
CWUNIT TYPE STRING,
OPEN_QTY TYPE STRING,
DOCID TYPE STRING,
GUID_PARENT_D TYPE STRING,
LGNUM TYPE STRING,
WORKCENTER TYPE STRING,
WDATU TYPE STRING,
UI_WDATU TYPE STRING,
UI_WDATT TYPE STRING,
VFDAT TYPE STRING,
COO TYPE STRING,
COO_TEXT TYPE STRING,
BRESTR TYPE STRING,
IDPLATE TYPE STRING,
QDOCCAT TYPE STRING,
QDOCCAT_TEXT TYPE STRING,
QDOCID TYPE STRING,
QITMID TYPE STRING,
QDOCNO TYPE STRING,
QITEMNO TYPE STRING,
INSPTYP TYPE STRING,
INSPTYP_TEXT TYPE STRING,
INSPID TYPE STRING,
INSPDOCNO TYPE STRING,
EXCCODE TYPE STRING,
QITM_CANCEL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SCWM/S_PACK_VIEW_MAT_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_PACK_VIEW_MAT_STR-MATID sy-vline 
WA_/SCWM/S_PACK_VIEW_MAT_STR-MATNR sy-vline 
WA_/SCWM/S_PACK_VIEW_MAT_STR-MAKTX sy-vline 
WA_/SCWM/S_PACK_VIEW_MAT_STR-BATCHID sy-vline 
WA_/SCWM/S_PACK_VIEW_MAT_STR-CHARG sy-vline 
WA_/SCWM/S_PACK_VIEW_MAT_STR-CAT sy-vline 
WA_/SCWM/S_PACK_VIEW_MAT_STR-CAT_TEXT sy-vline 
WA_/SCWM/S_PACK_VIEW_MAT_STR-ENTITLED sy-vline 
WA_/SCWM/S_PACK_VIEW_MAT_STR-ENTITLED_ROLE sy-vline 
WA_/SCWM/S_PACK_VIEW_MAT_STR-ENTITLED_TEXT sy-vline 
WA_/SCWM/S_PACK_VIEW_MAT_STR-OWNER sy-vline 
WA_/SCWM/S_PACK_VIEW_MAT_STR-OWNER_ROLE sy-vline 
WA_/SCWM/S_PACK_VIEW_MAT_STR-OWNER_TEXT sy-vline 
WA_/SCWM/S_PACK_VIEW_MAT_STR-STOCK_DOCCAT sy-vline 
WA_/SCWM/S_PACK_VIEW_MAT_STR-STOCK_DOCCAT_TEXT sy-vline 
WA_/SCWM/S_PACK_VIEW_MAT_STR-STOCK_DOCNO sy-vline 
WA_/SCWM/S_PACK_VIEW_MAT_STR-STOCK_DOCNO_EXT sy-vline 
WA_/SCWM/S_PACK_VIEW_MAT_STR-STOCK_ITMNO sy-vline 
WA_/SCWM/S_PACK_VIEW_MAT_STR-STOCK_USAGE sy-vline 
WA_/SCWM/S_PACK_VIEW_MAT_STR-STOCK_USAGE_TEXT sy-vline 
WA_/SCWM/S_PACK_VIEW_MAT_STR-STREF_DOCCAT sy-vline 
WA_/SCWM/S_PACK_VIEW_MAT_STR-STREF_DOCCAT_TEXT sy-vline 
WA_/SCWM/S_PACK_VIEW_MAT_STR-QUAN sy-vline 
WA_/SCWM/S_PACK_VIEW_MAT_STR-MEINS sy-vline 
WA_/SCWM/S_PACK_VIEW_MAT_STR-QUAN_ALT sy-vline 
WA_/SCWM/S_PACK_VIEW_MAT_STR-TMENG sy-vline 
WA_/SCWM/S_PACK_VIEW_MAT_STR-CWPQUAN sy-vline 
WA_/SCWM/S_PACK_VIEW_MAT_STR-ALTME sy-vline 
WA_/SCWM/S_PACK_VIEW_MAT_STR-GUID_STOCK sy-vline 
WA_/SCWM/S_PACK_VIEW_MAT_STR-GUID_PARENT sy-vline 
WA_/SCWM/S_PACK_VIEW_MAT_STR-VSI sy-vline 
WA_/SCWM/S_PACK_VIEW_MAT_STR-ICON_VSI sy-vline 
WA_/SCWM/S_PACK_VIEW_MAT_STR-GUID_PARENT_TYPE sy-vline 
WA_/SCWM/S_PACK_VIEW_MAT_STR-ICON_DELETE sy-vline 
WA_/SCWM/S_PACK_VIEW_MAT_STR-QUANTITY sy-vline 
WA_/SCWM/S_PACK_VIEW_MAT_STR-DEL_QTY sy-vline 
WA_/SCWM/S_PACK_VIEW_MAT_STR-PACKED_QTY sy-vline 
WA_/SCWM/S_PACK_VIEW_MAT_STR-CWQUAN sy-vline 
WA_/SCWM/S_PACK_VIEW_MAT_STR-CWUNIT sy-vline 
WA_/SCWM/S_PACK_VIEW_MAT_STR-OPEN_QTY sy-vline 
WA_/SCWM/S_PACK_VIEW_MAT_STR-DOCID sy-vline 
WA_/SCWM/S_PACK_VIEW_MAT_STR-GUID_PARENT_D sy-vline 
WA_/SCWM/S_PACK_VIEW_MAT_STR-LGNUM sy-vline 
WA_/SCWM/S_PACK_VIEW_MAT_STR-WORKCENTER sy-vline 
WA_/SCWM/S_PACK_VIEW_MAT_STR-WDATU sy-vline 
WA_/SCWM/S_PACK_VIEW_MAT_STR-UI_WDATU sy-vline 
WA_/SCWM/S_PACK_VIEW_MAT_STR-UI_WDATT sy-vline 
WA_/SCWM/S_PACK_VIEW_MAT_STR-VFDAT sy-vline 
WA_/SCWM/S_PACK_VIEW_MAT_STR-COO sy-vline 
WA_/SCWM/S_PACK_VIEW_MAT_STR-COO_TEXT sy-vline 
WA_/SCWM/S_PACK_VIEW_MAT_STR-BRESTR sy-vline 
WA_/SCWM/S_PACK_VIEW_MAT_STR-IDPLATE sy-vline 
WA_/SCWM/S_PACK_VIEW_MAT_STR-QDOCCAT sy-vline 
WA_/SCWM/S_PACK_VIEW_MAT_STR-QDOCCAT_TEXT sy-vline 
WA_/SCWM/S_PACK_VIEW_MAT_STR-QDOCID sy-vline 
WA_/SCWM/S_PACK_VIEW_MAT_STR-QITMID sy-vline 
WA_/SCWM/S_PACK_VIEW_MAT_STR-QDOCNO sy-vline 
WA_/SCWM/S_PACK_VIEW_MAT_STR-QITEMNO sy-vline 
WA_/SCWM/S_PACK_VIEW_MAT_STR-INSPTYP sy-vline 
WA_/SCWM/S_PACK_VIEW_MAT_STR-INSPTYP_TEXT sy-vline 
WA_/SCWM/S_PACK_VIEW_MAT_STR-INSPID sy-vline 
WA_/SCWM/S_PACK_VIEW_MAT_STR-INSPDOCNO sy-vline 
WA_/SCWM/S_PACK_VIEW_MAT_STR-EXCCODE sy-vline 
WA_/SCWM/S_PACK_VIEW_MAT_STR-QITM_CANCEL sy-vline      INTO ld_text SEPARATED BY SPACE.

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