ABAP Select data from SAP table CCSET into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CCSET
*  INTO TABLE @DATA(IT_CCSET2).
*--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_CCSET INDEX 1 INTO DATA(WA_CCSET2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CCSET>-MANDT = 1.
<CCSET>-HKONT = 1.
<CCSET>-BUKRS = 1.
<CCSET>-BELNR = 1.
<CCSET>-GJAHR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CCSET-RFZEI, sy-vline,
  WA_CCSET-CCINS, sy-vline,
  WA_CCSET-CCNUM, sy-vline,
  WA_CCSET-DP_TOKEN, sy-vline,
  WA_CCSET-CCFOL, sy-vline,
  WA_CCSET-DATAB, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CCSET 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_CCSET 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_CCSET INTO WA_CCSET.


*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 HKONT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CCSET-HKONT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CCSET-HKONT.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit ALPHA, internal->external for field CCTNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CCSET-CCTNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CCSET-CCTNR.
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_CCSET_STR, 
MANDT TYPE STRING,
HKONT TYPE STRING,
BUKRS TYPE STRING,
BELNR TYPE STRING,
GJAHR TYPE STRING,
RFZEI TYPE STRING,
CCINS TYPE STRING,
CCNUM TYPE STRING,
DP_TOKEN TYPE STRING,
CCFOL TYPE STRING,
DATAB TYPE STRING,
DATBI TYPE STRING,
CCNAME TYPE STRING,
CSOUR TYPE STRING,
AUTWR TYPE STRING,
SETWR TYPE STRING,
CCWAE TYPE STRING,
AUNUM TYPE STRING,
AUTRA TYPE STRING,
AUDAT TYPE STRING,
AUTIM TYPE STRING,
MERCH TYPE STRING,
LOCID TYPE STRING,
TRMID TYPE STRING,
CCBTC TYPE STRING,
NAME1 TYPE STRING,
NAME2 TYPE STRING,
ORT01 TYPE STRING,
ORT02 TYPE STRING,
STRAS TYPE STRING,
PSTLZ TYPE STRING,
REGIO TYPE STRING,
LAND1 TYPE STRING,
EXDFL TYPE STRING,
KUNNR TYPE STRING,
CCTNR TYPE STRING,
CCTTYP TYPE STRING,
PAYMENT_NUMBER TYPE STRING,
PAYMENT_AMOUNT TYPE STRING,
SPLITALLOWED TYPE STRING,
DEPOSIT TYPE STRING,
PRIMARY_SUBRC TYPE STRING,
SECOND_SUBRC TYPE STRING,
DP_PSP TYPE STRING,
DP_AUTH_REL_ID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CCSET_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_CCSET_STR-MANDT sy-vline 
WA_CCSET_STR-HKONT sy-vline 
WA_CCSET_STR-BUKRS sy-vline 
WA_CCSET_STR-BELNR sy-vline 
WA_CCSET_STR-GJAHR sy-vline 
WA_CCSET_STR-RFZEI sy-vline 
WA_CCSET_STR-CCINS sy-vline 
WA_CCSET_STR-CCNUM sy-vline 
WA_CCSET_STR-DP_TOKEN sy-vline 
WA_CCSET_STR-CCFOL sy-vline 
WA_CCSET_STR-DATAB sy-vline 
WA_CCSET_STR-DATBI sy-vline 
WA_CCSET_STR-CCNAME sy-vline 
WA_CCSET_STR-CSOUR sy-vline 
WA_CCSET_STR-AUTWR sy-vline 
WA_CCSET_STR-SETWR sy-vline 
WA_CCSET_STR-CCWAE sy-vline 
WA_CCSET_STR-AUNUM sy-vline 
WA_CCSET_STR-AUTRA sy-vline 
WA_CCSET_STR-AUDAT sy-vline 
WA_CCSET_STR-AUTIM sy-vline 
WA_CCSET_STR-MERCH sy-vline 
WA_CCSET_STR-LOCID sy-vline 
WA_CCSET_STR-TRMID sy-vline 
WA_CCSET_STR-CCBTC sy-vline 
WA_CCSET_STR-NAME1 sy-vline 
WA_CCSET_STR-NAME2 sy-vline 
WA_CCSET_STR-ORT01 sy-vline 
WA_CCSET_STR-ORT02 sy-vline 
WA_CCSET_STR-STRAS sy-vline 
WA_CCSET_STR-PSTLZ sy-vline 
WA_CCSET_STR-REGIO sy-vline 
WA_CCSET_STR-LAND1 sy-vline 
WA_CCSET_STR-EXDFL sy-vline 
WA_CCSET_STR-KUNNR sy-vline 
WA_CCSET_STR-CCTNR sy-vline 
WA_CCSET_STR-CCTTYP sy-vline 
WA_CCSET_STR-PAYMENT_NUMBER sy-vline 
WA_CCSET_STR-PAYMENT_AMOUNT sy-vline 
WA_CCSET_STR-SPLITALLOWED sy-vline 
WA_CCSET_STR-DEPOSIT sy-vline 
WA_CCSET_STR-PRIMARY_SUBRC sy-vline 
WA_CCSET_STR-SECOND_SUBRC sy-vline 
WA_CCSET_STR-DP_PSP sy-vline 
WA_CCSET_STR-DP_AUTH_REL_ID sy-vline      INTO ld_text SEPARATED BY SPACE.

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