ABAP Select data from SAP table /ACCGO/CAS_S_MWC_APPL into internal table

Get Example source ABAP code based on a different SAP table
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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /ACCGO/CAS_S_MWC_APPL 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 /ACCGO/CAS_S_MWC_APPL. 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 /ACCGO/CAS_S_MWC_APPL 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_/ACCGO/CAS_S_MWC_APPL TYPE STANDARD TABLE OF /ACCGO/CAS_S_MWC_APPL,
      WA_/ACCGO/CAS_S_MWC_APPL TYPE /ACCGO/CAS_S_MWC_APPL,
      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: </ACCGO/CAS_S_MWC_APPL> TYPE /ACCGO/CAS_S_MWC_APPL.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /ACCGO/CAS_S_MWC_APPL
*  INTO TABLE @DATA(IT_/ACCGO/CAS_S_MWC_APPL2).
*--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_/ACCGO/CAS_S_MWC_APPL INDEX 1 INTO DATA(WA_/ACCGO/CAS_S_MWC_APPL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</ACCGO/CAS_S_MWC_APPL>-APPLDOC = 1.
</ACCGO/CAS_S_MWC_APPL>-ITEM = 1.
</ACCGO/CAS_S_MWC_APPL>-SIDE = 1.
</ACCGO/CAS_S_MWC_APPL>-SUB_ITEM = 1.
</ACCGO/CAS_S_MWC_APPL>-ROOT_ITEM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/ACCGO/CAS_S_MWC_APPL-PARENT_ITEM, sy-vline,
  WA_/ACCGO/CAS_S_MWC_APPL-ITEM_CAT, sy-vline,
  WA_/ACCGO/CAS_S_MWC_APPL-STATUS, sy-vline,
  WA_/ACCGO/CAS_S_MWC_APPL-MATNR, sy-vline,
  WA_/ACCGO/CAS_S_MWC_APPL-MAKTX, sy-vline,
  WA_/ACCGO/CAS_S_MWC_APPL-MATKL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/ACCGO/CAS_S_MWC_APPL 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_/ACCGO/CAS_S_MWC_APPL 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_/ACCGO/CAS_S_MWC_APPL INTO WA_/ACCGO/CAS_S_MWC_APPL.


*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 ALPHA, internal->external for field APPLDOC
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/ACCGO/CAS_S_MWC_APPL-APPLDOC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ACCGO/CAS_S_MWC_APPL-APPLDOC.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

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

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

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

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

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

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

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

*Conversion exit TSTLC, internal->external for field CREATED_ON
CALL FUNCTION 'CONVERSION_EXIT_TSTLC_OUTPUT'
  EXPORTING
    input =                      WA_/ACCGO/CAS_S_MWC_APPL-CREATED_ON
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ACCGO/CAS_S_MWC_APPL-CREATED_ON.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTLC, internal->external for field CHANGED_ON
CALL FUNCTION 'CONVERSION_EXIT_TSTLC_OUTPUT'
  EXPORTING
    input =                      WA_/ACCGO/CAS_S_MWC_APPL-CHANGED_ON
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ACCGO/CAS_S_MWC_APPL-CHANGED_ON.
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_/ACCGO/CAS_S_MWC_APPL_STR, 
APPLDOC TYPE STRING,
ITEM TYPE STRING,
SIDE TYPE STRING,
SUB_ITEM TYPE STRING,
ROOT_ITEM TYPE STRING,
PARENT_ITEM TYPE STRING,
ITEM_CAT TYPE STRING,
STATUS TYPE STRING,
MATNR TYPE STRING,
MAKTX TYPE STRING,
MATKL TYPE STRING,
MAKTX_GRP TYPE STRING,
DELV_QTY_RAW TYPE STRING,
DELV_QTY_MENGE TYPE STRING,
DELV_UOM TYPE STRING,
ITEM_QTY TYPE STRING,
ITEM_UOM TYPE STRING,
APPLIED_QTY_RAW TYPE STRING,
APPL_UOM TYPE STRING,
ADJUSTED_QTY TYPE STRING,
ADJUSTED_UOM TYPE STRING,
RETURN_QTY_RAW TYPE STRING,
RETURN_UOM TYPE STRING,
TO_BE_APPL_QTY TYPE STRING,
TO_BE_APPL_UOM TYPE STRING,
WERKS TYPE STRING,
LIFNR TYPE STRING,
KUNNR TYPE STRING,
SHP_POINT TYPE STRING,
TSW_LOC TYPE STRING,
STRG_PRGRM_TYPE TYPE STRING,
STRG_START_DATE TYPE STRING,
PICKED_QTY TYPE STRING,
PICKED_QTY_UOM TYPE STRING,
WHR_TYPE TYPE STRING,
WHR_ID TYPE STRING,
WHR_START_DATE TYPE STRING,
WHR_END_DATE TYPE STRING,
WHR_LIFNR TYPE STRING,
OBLIGATION_TYPE TYPE STRING,
WHR_QTY TYPE STRING,
WHR_UOM TYPE STRING,
OPEN_WHR_QTY TYPE STRING,
OPEN_WHR_UOM TYPE STRING,
CREATED_BY TYPE STRING,
CREATED_ON TYPE STRING,
CHANGED_BY TYPE STRING,
CHANGED_ON TYPE STRING,
VENDOR_DESC TYPE STRING,
SOLD_TO_DESC TYPE STRING,
CCODE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/ACCGO/CAS_S_MWC_APPL_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_/ACCGO/CAS_S_MWC_APPL_STR-APPLDOC sy-vline 
WA_/ACCGO/CAS_S_MWC_APPL_STR-ITEM sy-vline 
WA_/ACCGO/CAS_S_MWC_APPL_STR-SIDE sy-vline 
WA_/ACCGO/CAS_S_MWC_APPL_STR-SUB_ITEM sy-vline 
WA_/ACCGO/CAS_S_MWC_APPL_STR-ROOT_ITEM sy-vline 
WA_/ACCGO/CAS_S_MWC_APPL_STR-PARENT_ITEM sy-vline 
WA_/ACCGO/CAS_S_MWC_APPL_STR-ITEM_CAT sy-vline 
WA_/ACCGO/CAS_S_MWC_APPL_STR-STATUS sy-vline 
WA_/ACCGO/CAS_S_MWC_APPL_STR-MATNR sy-vline 
WA_/ACCGO/CAS_S_MWC_APPL_STR-MAKTX sy-vline 
WA_/ACCGO/CAS_S_MWC_APPL_STR-MATKL sy-vline 
WA_/ACCGO/CAS_S_MWC_APPL_STR-MAKTX_GRP sy-vline 
WA_/ACCGO/CAS_S_MWC_APPL_STR-DELV_QTY_RAW sy-vline 
WA_/ACCGO/CAS_S_MWC_APPL_STR-DELV_QTY_MENGE sy-vline 
WA_/ACCGO/CAS_S_MWC_APPL_STR-DELV_UOM sy-vline 
WA_/ACCGO/CAS_S_MWC_APPL_STR-ITEM_QTY sy-vline 
WA_/ACCGO/CAS_S_MWC_APPL_STR-ITEM_UOM sy-vline 
WA_/ACCGO/CAS_S_MWC_APPL_STR-APPLIED_QTY_RAW sy-vline 
WA_/ACCGO/CAS_S_MWC_APPL_STR-APPL_UOM sy-vline 
WA_/ACCGO/CAS_S_MWC_APPL_STR-ADJUSTED_QTY sy-vline 
WA_/ACCGO/CAS_S_MWC_APPL_STR-ADJUSTED_UOM sy-vline 
WA_/ACCGO/CAS_S_MWC_APPL_STR-RETURN_QTY_RAW sy-vline 
WA_/ACCGO/CAS_S_MWC_APPL_STR-RETURN_UOM sy-vline 
WA_/ACCGO/CAS_S_MWC_APPL_STR-TO_BE_APPL_QTY sy-vline 
WA_/ACCGO/CAS_S_MWC_APPL_STR-TO_BE_APPL_UOM sy-vline 
WA_/ACCGO/CAS_S_MWC_APPL_STR-WERKS sy-vline 
WA_/ACCGO/CAS_S_MWC_APPL_STR-LIFNR sy-vline 
WA_/ACCGO/CAS_S_MWC_APPL_STR-KUNNR sy-vline 
WA_/ACCGO/CAS_S_MWC_APPL_STR-SHP_POINT sy-vline 
WA_/ACCGO/CAS_S_MWC_APPL_STR-TSW_LOC sy-vline 
WA_/ACCGO/CAS_S_MWC_APPL_STR-STRG_PRGRM_TYPE sy-vline 
WA_/ACCGO/CAS_S_MWC_APPL_STR-STRG_START_DATE sy-vline 
WA_/ACCGO/CAS_S_MWC_APPL_STR-PICKED_QTY sy-vline 
WA_/ACCGO/CAS_S_MWC_APPL_STR-PICKED_QTY_UOM sy-vline 
WA_/ACCGO/CAS_S_MWC_APPL_STR-WHR_TYPE sy-vline 
WA_/ACCGO/CAS_S_MWC_APPL_STR-WHR_ID sy-vline 
WA_/ACCGO/CAS_S_MWC_APPL_STR-WHR_START_DATE sy-vline 
WA_/ACCGO/CAS_S_MWC_APPL_STR-WHR_END_DATE sy-vline 
WA_/ACCGO/CAS_S_MWC_APPL_STR-WHR_LIFNR sy-vline 
WA_/ACCGO/CAS_S_MWC_APPL_STR-OBLIGATION_TYPE sy-vline 
WA_/ACCGO/CAS_S_MWC_APPL_STR-WHR_QTY sy-vline 
WA_/ACCGO/CAS_S_MWC_APPL_STR-WHR_UOM sy-vline 
WA_/ACCGO/CAS_S_MWC_APPL_STR-OPEN_WHR_QTY sy-vline 
WA_/ACCGO/CAS_S_MWC_APPL_STR-OPEN_WHR_UOM sy-vline 
WA_/ACCGO/CAS_S_MWC_APPL_STR-CREATED_BY sy-vline 
WA_/ACCGO/CAS_S_MWC_APPL_STR-CREATED_ON sy-vline 
WA_/ACCGO/CAS_S_MWC_APPL_STR-CHANGED_BY sy-vline 
WA_/ACCGO/CAS_S_MWC_APPL_STR-CHANGED_ON sy-vline 
WA_/ACCGO/CAS_S_MWC_APPL_STR-VENDOR_DESC sy-vline 
WA_/ACCGO/CAS_S_MWC_APPL_STR-SOLD_TO_DESC sy-vline 
WA_/ACCGO/CAS_S_MWC_APPL_STR-CCODE sy-vline      INTO ld_text SEPARATED BY SPACE.

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