ABAP Select data from SAP table CCABPITEMSTRANS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CCABPITEMSTRANS
*  INTO TABLE @DATA(IT_CCABPITEMSTRANS2).
*--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_CCABPITEMSTRANS INDEX 1 INTO DATA(WA_CCABPITEMSTRANS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CCABPITEMSTRANS>-MANDT = 1.
<CCABPITEMSTRANS>-CADOCUMENTNUMBER = 1.
<CCABPITEMSTRANS>-CAREPETITIONITEMNUMBER = 1.
<CCABPITEMSTRANS>-CABPITEMNUMBER = 1.
<CCABPITEMSTRANS>-CASUBITEMNUMBER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CCABPITEMSTRANS-CAOPENITEMSTATUS, sy-vline,
  WA_CCABPITEMSTRANS-BUSINESSPARTNERFULLNAME, sy-vline,
  WA_CCABPITEMSTRANS-CONTRACTACCOUNTNAME, sy-vline,
  WA_CCABPITEMSTRANS-CABPITEMTEXT, sy-vline,
  WA_CCABPITEMSTRANS-BUSINESSPARTNER, sy-vline,
  WA_CCABPITEMSTRANS-CONTRACTACCOUNT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CCABPITEMSTRANS 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_CCABPITEMSTRANS 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_CCABPITEMSTRANS INTO WA_CCABPITEMSTRANS.


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

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

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

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

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

*Conversion exit ALPHA, internal->external for field CACONTRACT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CCABPITEMSTRANS-CACONTRACT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CCABPITEMSTRANS-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_CCABPITEMSTRANS_STR, 
MANDT TYPE STRING,
CADOCUMENTNUMBER TYPE STRING,
CAREPETITIONITEMNUMBER TYPE STRING,
CABPITEMNUMBER TYPE STRING,
CASUBITEMNUMBER TYPE STRING,
CAOPENITEMSTATUS TYPE STRING,
BUSINESSPARTNERFULLNAME TYPE STRING,
CONTRACTACCOUNTNAME TYPE STRING,
CABPITEMTEXT TYPE STRING,
BUSINESSPARTNER TYPE STRING,
CONTRACTACCOUNT TYPE STRING,
CAPAYMENTLOCKREASON TYPE STRING,
CAPAYMENTLOCKREASONNAME TYPE STRING,
CADUNNINGLOCKREASON TYPE STRING,
CADUNNINGLOCKREASONNAME TYPE STRING,
CANETDUEDATE TYPE STRING,
CASUBAPPLICATIONPRIMARY TYPE STRING,
CASUBAPPLICATIONTEXT TYPE STRING,
CAAMOUNTINTRANSACTIONCURRENCY TYPE STRING,
TRANSACTIONCURRENCY TYPE STRING,
SEMANTICOBJECT TYPE STRING,
CADOCUMENTBPITEMISTRANSFERABLE TYPE STRING,
CASRCEDOCBUSINESSPARTNER TYPE STRING,
CASRCEDOCCONTRACTACCOUNT TYPE STRING,
CACONTRACT TYPE STRING,
CAPROVIDERCONTRACTNAME TYPE STRING,
CACONTRACTSEMANTICOBJECT TYPE STRING,
CATRANSFERREASON TYPE STRING,
CADOCUMENTTYPE TYPE STRING,
CARECONCILIATIONKEY TYPE STRING,
CAPOSTINGDATE TYPE STRING,
CASUBAPPLICATION TYPE STRING,
ISCLOUDSYSTEM TYPE STRING,
BUSINESSAREA TYPE STRING,
COMPANYCODE TYPE STRING,
CAAPPLICATIONAREA TYPE STRING,
ISBUSINESSPURPOSECOMPLETED TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CCABPITEMSTRANS_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_CCABPITEMSTRANS_STR-MANDT sy-vline 
WA_CCABPITEMSTRANS_STR-CADOCUMENTNUMBER sy-vline 
WA_CCABPITEMSTRANS_STR-CAREPETITIONITEMNUMBER sy-vline 
WA_CCABPITEMSTRANS_STR-CABPITEMNUMBER sy-vline 
WA_CCABPITEMSTRANS_STR-CASUBITEMNUMBER sy-vline 
WA_CCABPITEMSTRANS_STR-CAOPENITEMSTATUS sy-vline 
WA_CCABPITEMSTRANS_STR-BUSINESSPARTNERFULLNAME sy-vline 
WA_CCABPITEMSTRANS_STR-CONTRACTACCOUNTNAME sy-vline 
WA_CCABPITEMSTRANS_STR-CABPITEMTEXT sy-vline 
WA_CCABPITEMSTRANS_STR-BUSINESSPARTNER sy-vline 
WA_CCABPITEMSTRANS_STR-CONTRACTACCOUNT sy-vline 
WA_CCABPITEMSTRANS_STR-CAPAYMENTLOCKREASON sy-vline 
WA_CCABPITEMSTRANS_STR-CAPAYMENTLOCKREASONNAME sy-vline 
WA_CCABPITEMSTRANS_STR-CADUNNINGLOCKREASON sy-vline 
WA_CCABPITEMSTRANS_STR-CADUNNINGLOCKREASONNAME sy-vline 
WA_CCABPITEMSTRANS_STR-CANETDUEDATE sy-vline 
WA_CCABPITEMSTRANS_STR-CASUBAPPLICATIONPRIMARY sy-vline 
WA_CCABPITEMSTRANS_STR-CASUBAPPLICATIONTEXT sy-vline 
WA_CCABPITEMSTRANS_STR-CAAMOUNTINTRANSACTIONCURRENCY sy-vline 
WA_CCABPITEMSTRANS_STR-TRANSACTIONCURRENCY sy-vline 
WA_CCABPITEMSTRANS_STR-SEMANTICOBJECT sy-vline 
WA_CCABPITEMSTRANS_STR-CADOCUMENTBPITEMISTRANSFERABLE sy-vline 
WA_CCABPITEMSTRANS_STR-CASRCEDOCBUSINESSPARTNER sy-vline 
WA_CCABPITEMSTRANS_STR-CASRCEDOCCONTRACTACCOUNT sy-vline 
WA_CCABPITEMSTRANS_STR-CACONTRACT sy-vline 
WA_CCABPITEMSTRANS_STR-CAPROVIDERCONTRACTNAME sy-vline 
WA_CCABPITEMSTRANS_STR-CACONTRACTSEMANTICOBJECT sy-vline 
WA_CCABPITEMSTRANS_STR-CATRANSFERREASON sy-vline 
WA_CCABPITEMSTRANS_STR-CADOCUMENTTYPE sy-vline 
WA_CCABPITEMSTRANS_STR-CARECONCILIATIONKEY sy-vline 
WA_CCABPITEMSTRANS_STR-CAPOSTINGDATE sy-vline 
WA_CCABPITEMSTRANS_STR-CASUBAPPLICATION sy-vline 
WA_CCABPITEMSTRANS_STR-ISCLOUDSYSTEM sy-vline 
WA_CCABPITEMSTRANS_STR-BUSINESSAREA sy-vline 
WA_CCABPITEMSTRANS_STR-COMPANYCODE sy-vline 
WA_CCABPITEMSTRANS_STR-CAAPPLICATIONAREA sy-vline 
WA_CCABPITEMSTRANS_STR-ISBUSINESSPURPOSECOMPLETED sy-vline      INTO ld_text SEPARATED BY SPACE.

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