ABAP Select data from SAP table KKAG_COSPBAK_ITM into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP KKAG_COSPBAK_ITM 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 KKAG_COSPBAK_ITM. 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 KKAG_COSPBAK_ITM 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_KKAG_COSPBAK_ITM TYPE STANDARD TABLE OF KKAG_COSPBAK_ITM,
      WA_KKAG_COSPBAK_ITM TYPE KKAG_COSPBAK_ITM,
      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: <KKAG_COSPBAK_ITM> TYPE KKAG_COSPBAK_ITM.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM KKAG_COSPBAK_ITM
  INTO TABLE IT_KKAG_COSPBAK_ITM.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM KKAG_COSPBAK_ITM
*  INTO TABLE @DATA(IT_KKAG_COSPBAK_ITM2).
*--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_KKAG_COSPBAK_ITM INDEX 1 INTO DATA(WA_KKAG_COSPBAK_ITM2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_KKAG_COSPBAK_ITM ASSIGNING <KKAG_COSPBAK_ITM>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<KKAG_COSPBAK_ITM>-MANDT = 1.
<KKAG_COSPBAK_ITM>-OBJNR = 1.
<KKAG_COSPBAK_ITM>-GJAHR = 1.
<KKAG_COSPBAK_ITM>-WRTTP = 1.
<KKAG_COSPBAK_ITM>-LEDNR = 1.

ENDLOOP.

LOOP AT IT_KKAG_COSPBAK_ITM INTO WA_KKAG_COSPBAK_ITM.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_KKAG_COSPBAK_ITM-VERSN, sy-vline,
  WA_KKAG_COSPBAK_ITM-KSTAR, sy-vline,
  WA_KKAG_COSPBAK_ITM-HRKFT, sy-vline,
  WA_KKAG_COSPBAK_ITM-VRGNG, sy-vline,
  WA_KKAG_COSPBAK_ITM-VBUND, sy-vline,
  WA_KKAG_COSPBAK_ITM-PARGB, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_KKAG_COSPBAK_ITM 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_KKAG_COSPBAK_ITM 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_KKAG_COSPBAK_ITM INTO WA_KKAG_COSPBAK_ITM.


*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 GJAHR, internal->external for field GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_KKAG_COSPBAK_ITM-GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_KKAG_COSPBAK_ITM-GJAHR.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

*Conversion exit BEKNZ, internal->external for field BEKNZ
CALL FUNCTION 'CONVERSION_EXIT_BEKNZ_OUTPUT'
  EXPORTING
    input =                      WA_KKAG_COSPBAK_ITM-BEKNZ
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_KKAG_COSPBAK_ITM-BEKNZ.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit AC152, internal->external for field WKGBTR
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_KKAG_COSPBAK_ITM-WKGBTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_KKAG_COSPBAK_ITM-WKGBTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field WKFBTR
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_KKAG_COSPBAK_ITM-WKFBTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_KKAG_COSPBAK_ITM-WKFBTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field WOGBTR
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_KKAG_COSPBAK_ITM-WOGBTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_KKAG_COSPBAK_ITM-WOGBTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field WTGBTR
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_KKAG_COSPBAK_ITM-WTGBTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_KKAG_COSPBAK_ITM-WTGBTR.
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_KKAG_COSPBAK_ITM_STR, 
MANDT TYPE STRING,
OBJNR TYPE STRING,
GJAHR TYPE STRING,
WRTTP TYPE STRING,
LEDNR TYPE STRING,
VERSN TYPE STRING,
KSTAR TYPE STRING,
HRKFT TYPE STRING,
VRGNG TYPE STRING,
VBUND TYPE STRING,
PARGB TYPE STRING,
BEKNZ TYPE STRING,
TWAER TYPE STRING,
MEINH TYPE STRING,
BELTP TYPE STRING,
PERIO TYPE STRING,
WKGBTR TYPE STRING,
WKFBTR TYPE STRING,
WOGBTR TYPE STRING,
WTGBTR TYPE STRING,
MEGBTR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_KKAG_COSPBAK_ITM_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_KKAG_COSPBAK_ITM_STR-MANDT sy-vline 
WA_KKAG_COSPBAK_ITM_STR-OBJNR sy-vline 
WA_KKAG_COSPBAK_ITM_STR-GJAHR sy-vline 
WA_KKAG_COSPBAK_ITM_STR-WRTTP sy-vline 
WA_KKAG_COSPBAK_ITM_STR-LEDNR sy-vline 
WA_KKAG_COSPBAK_ITM_STR-VERSN sy-vline 
WA_KKAG_COSPBAK_ITM_STR-KSTAR sy-vline 
WA_KKAG_COSPBAK_ITM_STR-HRKFT sy-vline 
WA_KKAG_COSPBAK_ITM_STR-VRGNG sy-vline 
WA_KKAG_COSPBAK_ITM_STR-VBUND sy-vline 
WA_KKAG_COSPBAK_ITM_STR-PARGB sy-vline 
WA_KKAG_COSPBAK_ITM_STR-BEKNZ sy-vline 
WA_KKAG_COSPBAK_ITM_STR-TWAER sy-vline 
WA_KKAG_COSPBAK_ITM_STR-MEINH sy-vline 
WA_KKAG_COSPBAK_ITM_STR-BELTP sy-vline 
WA_KKAG_COSPBAK_ITM_STR-PERIO sy-vline 
WA_KKAG_COSPBAK_ITM_STR-WKGBTR sy-vline 
WA_KKAG_COSPBAK_ITM_STR-WKFBTR sy-vline 
WA_KKAG_COSPBAK_ITM_STR-WOGBTR sy-vline 
WA_KKAG_COSPBAK_ITM_STR-WTGBTR sy-vline 
WA_KKAG_COSPBAK_ITM_STR-MEGBTR sy-vline      INTO ld_text SEPARATED BY SPACE.

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