ABAP Select data from SAP table CCABUSTRANSDOCCH into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CCABUSTRANSDOCCH
*  INTO TABLE @DATA(IT_CCABUSTRANSDOCCH2).
*--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_CCABUSTRANSDOCCH INDEX 1 INTO DATA(WA_CCABUSTRANSDOCCH2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CCABUSTRANSDOCCH>-MANDT = 1.
<CCABUSTRANSDOCCH>-CABUSINESSTRANSACTIONUUID = 1.
<CCABUSTRANSDOCCH>-CABUSINESSTRANSACTIONOBJECT = 1.
<CCABUSTRANSDOCCH>-CABUSTRANSOBJECTNAME = 1.
<CCABUSTRANSDOCCH>-CABUSTRANSACTIVITYNAME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CCABUSTRANSDOCCH-CABUSINESSTRANSACTIONACTIVITY, sy-vline,
  WA_CCABUSTRANSDOCCH-BUSINESSPARTNER, sy-vline,
  WA_CCABUSTRANSDOCCH-BUSINESSPARTNERFULLNAME, sy-vline,
  WA_CCABUSTRANSDOCCH-CONTRACTACCOUNT, sy-vline,
  WA_CCABUSTRANSDOCCH-CONTRACTACCOUNTNAME, sy-vline,
  WA_CCABUSTRANSDOCCH-HOUSENUMBER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CCABUSTRANSDOCCH 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_CCABUSTRANSDOCCH 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_CCABUSTRANSDOCCH INTO WA_CCABUSTRANSDOCCH.


*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_CCABUSTRANSDOCCH-BUSINESSPARTNER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CCABUSTRANSDOCCH-BUSINESSPARTNER.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit ALPHA, internal->external for field CACONTRACT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CCABUSTRANSDOCCH-CACONTRACT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CCABUSTRANSDOCCH-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_CCABUSTRANSDOCCH_STR, 
MANDT TYPE STRING,
CABUSINESSTRANSACTIONUUID TYPE STRING,
CABUSINESSTRANSACTIONOBJECT TYPE STRING,
CABUSTRANSOBJECTNAME TYPE STRING,
CABUSTRANSACTIVITYNAME TYPE STRING,
CABUSINESSTRANSACTIONACTIVITY TYPE STRING,
BUSINESSPARTNER TYPE STRING,
BUSINESSPARTNERFULLNAME TYPE STRING,
CONTRACTACCOUNT TYPE STRING,
CONTRACTACCOUNTNAME TYPE STRING,
HOUSENUMBER TYPE STRING,
HOMETOWN TYPE STRING,
COUNTRYNAME TYPE STRING,
CREATIONDATE TYPE STRING,
CABUSINESSTRANSACTIONNAME TYPE STRING,
CABUSTRANSDOCUMENT TYPE STRING,
CABUSINESSTRANSACTIONPROCESS TYPE STRING,
CREATEDBYUSER TYPE STRING,
CAREFERENCEDOCUMENT TYPE STRING,
COMPANYCODE TYPE STRING,
BUSINESSAREA TYPE STRING,
SEGMENT TYPE STRING,
CASUBAPPLICATION TYPE STRING,
CACONTRACT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CCABUSTRANSDOCCH_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_CCABUSTRANSDOCCH_STR-MANDT sy-vline 
WA_CCABUSTRANSDOCCH_STR-CABUSINESSTRANSACTIONUUID sy-vline 
WA_CCABUSTRANSDOCCH_STR-CABUSINESSTRANSACTIONOBJECT sy-vline 
WA_CCABUSTRANSDOCCH_STR-CABUSTRANSOBJECTNAME sy-vline 
WA_CCABUSTRANSDOCCH_STR-CABUSTRANSACTIVITYNAME sy-vline 
WA_CCABUSTRANSDOCCH_STR-CABUSINESSTRANSACTIONACTIVITY sy-vline 
WA_CCABUSTRANSDOCCH_STR-BUSINESSPARTNER sy-vline 
WA_CCABUSTRANSDOCCH_STR-BUSINESSPARTNERFULLNAME sy-vline 
WA_CCABUSTRANSDOCCH_STR-CONTRACTACCOUNT sy-vline 
WA_CCABUSTRANSDOCCH_STR-CONTRACTACCOUNTNAME sy-vline 
WA_CCABUSTRANSDOCCH_STR-HOUSENUMBER sy-vline 
WA_CCABUSTRANSDOCCH_STR-HOMETOWN sy-vline 
WA_CCABUSTRANSDOCCH_STR-COUNTRYNAME sy-vline 
WA_CCABUSTRANSDOCCH_STR-CREATIONDATE sy-vline 
WA_CCABUSTRANSDOCCH_STR-CABUSINESSTRANSACTIONNAME sy-vline 
WA_CCABUSTRANSDOCCH_STR-CABUSTRANSDOCUMENT sy-vline 
WA_CCABUSTRANSDOCCH_STR-CABUSINESSTRANSACTIONPROCESS sy-vline 
WA_CCABUSTRANSDOCCH_STR-CREATEDBYUSER sy-vline 
WA_CCABUSTRANSDOCCH_STR-CAREFERENCEDOCUMENT sy-vline 
WA_CCABUSTRANSDOCCH_STR-COMPANYCODE sy-vline 
WA_CCABUSTRANSDOCCH_STR-BUSINESSAREA sy-vline 
WA_CCABUSTRANSDOCCH_STR-SEGMENT sy-vline 
WA_CCABUSTRANSDOCCH_STR-CASUBAPPLICATION sy-vline 
WA_CCABUSTRANSDOCCH_STR-CACONTRACT sy-vline      INTO ld_text SEPARATED BY SPACE.

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