ABAP Select data from SAP table CCADUNCOLSTYITEM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CCADUNCOLSTYITEM
*  INTO TABLE @DATA(IT_CCADUNCOLSTYITEM2).
*--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_CCADUNCOLSTYITEM INDEX 1 INTO DATA(WA_CCADUNCOLSTYITEM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CCADUNCOLSTYITEM>-MANDT = 1.
<CCADUNCOLSTYITEM>-CAMASSRUNDATE = 1.
<CCADUNCOLSTYITEM>-CAMASSRUNID = 1.
<CCADUNCOLSTYITEM>-BUSINESSPARTNER = 1.
<CCADUNCOLSTYITEM>-CONTRACTACCOUNT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CCADUNCOLSTYITEM-CADUNNINGCOUNTER, sy-vline,
  WA_CCADUNCOLSTYITEM-CADOCUMENTNUMBER, sy-vline,
  WA_CCADUNCOLSTYITEM-CAREPETITIONITEMNUMBER, sy-vline,
  WA_CCADUNCOLSTYITEM-CABPITEMNUMBER, sy-vline,
  WA_CCADUNCOLSTYITEM-CASUBITEMNUMBER, sy-vline,
  WA_CCADUNCOLSTYITEM-CONTRACTACCOUNTISNOTUNIQUE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CCADUNCOLSTYITEM 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_CCADUNCOLSTYITEM 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_CCADUNCOLSTYITEM INTO WA_CCADUNCOLSTYITEM.


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

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

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

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

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

*Conversion exit ALPHA, internal->external for field CACONTRACT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CCADUNCOLSTYITEM-CACONTRACT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CCADUNCOLSTYITEM-CACONTRACT.
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_CCADUNCOLSTYITEM_STR, 
MANDT TYPE STRING,
CAMASSRUNDATE TYPE STRING,
CAMASSRUNID TYPE STRING,
BUSINESSPARTNER TYPE STRING,
CONTRACTACCOUNT TYPE STRING,
CADUNNINGCOUNTER TYPE STRING,
CADOCUMENTNUMBER TYPE STRING,
CAREPETITIONITEMNUMBER TYPE STRING,
CABPITEMNUMBER TYPE STRING,
CASUBITEMNUMBER TYPE STRING,
CONTRACTACCOUNTISNOTUNIQUE TYPE STRING,
CAMASSRUNDATEANDID TYPE STRING,
BUSINESSPARTNERFULLNAME TYPE STRING,
CONTRACTACCOUNTNAME TYPE STRING,
CADUNNINGAMOUNT TYPE STRING,
TRANSACTIONCURRENCY TYPE STRING,
ISSTATISTICAL TYPE STRING,
CADUNNINGNOTICEISINFOONLY TYPE STRING,
CADUNNINGNOTICEISREVERSED TYPE STRING,
CADUNNINGINTERESTAMOUNT TYPE STRING,
CAITEMISCREATEDBYDUNACTYRUN TYPE STRING,
CANETDUEDATE TYPE STRING,
CASTATISTICALITEMCODE TYPE STRING,
COMPANYCODE TYPE STRING,
COMPANYCODENAME TYPE STRING,
SEGMENT TYPE STRING,
SEGMENTNAME TYPE STRING,
PROFITCENTER TYPE STRING,
PROFITCENTERNAME TYPE STRING,
DIVISION TYPE STRING,
DIVISIONNAME TYPE STRING,
CACONTRACT TYPE STRING,
CAPROVIDERCONTRACTNAME TYPE STRING,
CASUBAPPLICATION TYPE STRING,
CASUBAPPLICATIONTEXT TYPE STRING,
CAAUTHORIZATIONGROUP TYPE STRING,
CAPROVIDERCONTRACTAUTHZNGROUP TYPE STRING,
BUSINESSAREA TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CCADUNCOLSTYITEM_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_CCADUNCOLSTYITEM_STR-MANDT sy-vline 
WA_CCADUNCOLSTYITEM_STR-CAMASSRUNDATE sy-vline 
WA_CCADUNCOLSTYITEM_STR-CAMASSRUNID sy-vline 
WA_CCADUNCOLSTYITEM_STR-BUSINESSPARTNER sy-vline 
WA_CCADUNCOLSTYITEM_STR-CONTRACTACCOUNT sy-vline 
WA_CCADUNCOLSTYITEM_STR-CADUNNINGCOUNTER sy-vline 
WA_CCADUNCOLSTYITEM_STR-CADOCUMENTNUMBER sy-vline 
WA_CCADUNCOLSTYITEM_STR-CAREPETITIONITEMNUMBER sy-vline 
WA_CCADUNCOLSTYITEM_STR-CABPITEMNUMBER sy-vline 
WA_CCADUNCOLSTYITEM_STR-CASUBITEMNUMBER sy-vline 
WA_CCADUNCOLSTYITEM_STR-CONTRACTACCOUNTISNOTUNIQUE sy-vline 
WA_CCADUNCOLSTYITEM_STR-CAMASSRUNDATEANDID sy-vline 
WA_CCADUNCOLSTYITEM_STR-BUSINESSPARTNERFULLNAME sy-vline 
WA_CCADUNCOLSTYITEM_STR-CONTRACTACCOUNTNAME sy-vline 
WA_CCADUNCOLSTYITEM_STR-CADUNNINGAMOUNT sy-vline 
WA_CCADUNCOLSTYITEM_STR-TRANSACTIONCURRENCY sy-vline 
WA_CCADUNCOLSTYITEM_STR-ISSTATISTICAL sy-vline 
WA_CCADUNCOLSTYITEM_STR-CADUNNINGNOTICEISINFOONLY sy-vline 
WA_CCADUNCOLSTYITEM_STR-CADUNNINGNOTICEISREVERSED sy-vline 
WA_CCADUNCOLSTYITEM_STR-CADUNNINGINTERESTAMOUNT sy-vline 
WA_CCADUNCOLSTYITEM_STR-CAITEMISCREATEDBYDUNACTYRUN sy-vline 
WA_CCADUNCOLSTYITEM_STR-CANETDUEDATE sy-vline 
WA_CCADUNCOLSTYITEM_STR-CASTATISTICALITEMCODE sy-vline 
WA_CCADUNCOLSTYITEM_STR-COMPANYCODE sy-vline 
WA_CCADUNCOLSTYITEM_STR-COMPANYCODENAME sy-vline 
WA_CCADUNCOLSTYITEM_STR-SEGMENT sy-vline 
WA_CCADUNCOLSTYITEM_STR-SEGMENTNAME sy-vline 
WA_CCADUNCOLSTYITEM_STR-PROFITCENTER sy-vline 
WA_CCADUNCOLSTYITEM_STR-PROFITCENTERNAME sy-vline 
WA_CCADUNCOLSTYITEM_STR-DIVISION sy-vline 
WA_CCADUNCOLSTYITEM_STR-DIVISIONNAME sy-vline 
WA_CCADUNCOLSTYITEM_STR-CACONTRACT sy-vline 
WA_CCADUNCOLSTYITEM_STR-CAPROVIDERCONTRACTNAME sy-vline 
WA_CCADUNCOLSTYITEM_STR-CASUBAPPLICATION sy-vline 
WA_CCADUNCOLSTYITEM_STR-CASUBAPPLICATIONTEXT sy-vline 
WA_CCADUNCOLSTYITEM_STR-CAAUTHORIZATIONGROUP sy-vline 
WA_CCADUNCOLSTYITEM_STR-CAPROVIDERCONTRACTAUTHZNGROUP sy-vline 
WA_CCADUNCOLSTYITEM_STR-BUSINESSAREA sy-vline      INTO ld_text SEPARATED BY SPACE.

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