ABAP Select data from SAP table CCAEXTCOLLVOLUME into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CCAEXTCOLLVOLUME
*  INTO TABLE @DATA(IT_CCAEXTCOLLVOLUME2).
*--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_CCAEXTCOLLVOLUME INDEX 1 INTO DATA(WA_CCAEXTCOLLVOLUME2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CCAEXTCOLLVOLUME>-MANDT = 1.
<CCAEXTCOLLVOLUME>-CADOCUMENTNUMBER = 1.
<CCAEXTCOLLVOLUME>-CAGRPGCODEFORTRANSFTOCOLLAGCY = 1.
<CCAEXTCOLLVOLUME>-CACOLLECTIONAGENCY = 1.
<CCAEXTCOLLVOLUME>-CACOLLECTIONAGENCYNAME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CCAEXTCOLLVOLUME-CADATEOFTRANSFERTOCOLLAGCY, sy-vline,
  WA_CCAEXTCOLLVOLUME-CAREASONFORTRANSFERTOCOLLAGCY, sy-vline,
  WA_CCAEXTCOLLVOLUME-CARSNNAMEFORTRANSFERTOCOLLAGCY, sy-vline,
  WA_CCAEXTCOLLVOLUME-CARECEIVABLERECALLDATE, sy-vline,
  WA_CCAEXTCOLLVOLUME-CARECEIVABLERECALLREASON, sy-vline,
  WA_CCAEXTCOLLVOLUME-CARECEIVABLERECALLREASONNAME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CCAEXTCOLLVOLUME 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_CCAEXTCOLLVOLUME 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_CCAEXTCOLLVOLUME INTO WA_CCAEXTCOLLVOLUME.


*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_CCAEXTCOLLVOLUME-CADOCUMENTNUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CCAEXTCOLLVOLUME-CADOCUMENTNUMBER.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit ALPHA, internal->external for field CONTRACTACCOUNT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CCAEXTCOLLVOLUME-CONTRACTACCOUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CCAEXTCOLLVOLUME-CONTRACTACCOUNT.
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_CCAEXTCOLLVOLUME_STR, 
MANDT TYPE STRING,
CADOCUMENTNUMBER TYPE STRING,
CAGRPGCODEFORTRANSFTOCOLLAGCY TYPE STRING,
CACOLLECTIONAGENCY TYPE STRING,
CACOLLECTIONAGENCYNAME TYPE STRING,
CADATEOFTRANSFERTOCOLLAGCY TYPE STRING,
CAREASONFORTRANSFERTOCOLLAGCY TYPE STRING,
CARSNNAMEFORTRANSFERTOCOLLAGCY TYPE STRING,
CARECEIVABLERECALLDATE TYPE STRING,
CARECEIVABLERECALLREASON TYPE STRING,
CARECEIVABLERECALLREASONNAME TYPE STRING,
BUSINESSPARTNER TYPE STRING,
LASTNAME TYPE STRING,
FIRSTNAME TYPE STRING,
BUSINESSPARTNERNAME TYPE STRING,
CONTRACTACCOUNTCATEGORY TYPE STRING,
POSTALCODE TYPE STRING,
COMPANYCODE TYPE STRING,
CONTRACTACCOUNT TYPE STRING,
CATRANSFERTOCOLLAGCYSTATUS TYPE STRING,
CATRANSFERTOCOLLAGCYSTATUSNAME TYPE STRING,
CAAMOUNTINTRANSACTIONCURRENCY TYPE STRING,
OPENAMOUNTINTRANSCRCY TYPE STRING,
CAPAYMENTAMOUNTINTRANSCURRENCY TYPE STRING,
CANONCOLLECTABLEAMOUNT TYPE STRING,
CAINTRSTRECEIVABLEFROMCOLLAGCY TYPE STRING,
CACHARGERECEIVABLEFROMCOLLAGCY TYPE STRING,
TRANSACTIONCURRENCY TYPE STRING,
AMOUNTINDISPLAYCURRENCY TYPE STRING,
OPENAMOUNTINDISPLAYCRCY TYPE STRING,
PAYMENTAMOUNTINDISPLAYCRCY TYPE STRING,
CANONCOLLECTABLEAMTINDSPCRCY TYPE STRING,
CAINTRSTRBLFROMCOLLAGCYINDC TYPE STRING,
CACHRGRBLFROMCOLLAGCYINDSPCRCY TYPE STRING,
DISPLAYCURRENCY TYPE STRING,
NUMBEROFOPENITEMS TYPE STRING,
NUMBEROFPAIDITEMS TYPE STRING,
CANUMBEROFNONCOLLECTABLEITEMS TYPE STRING,
CANUMBEROFINTERESTITEMS TYPE STRING,
CANUMBEROFCHARGEITEMS TYPE STRING,
CAAUTHORIZATIONGROUP TYPE STRING,
CREDITAMOUNTINDISPLAYCRCY TYPE STRING,
DEBITAMOUNTINDISPLAYCRCY TYPE STRING,
WORKLISTITEMCREATIONDATE TYPE STRING,
CACLRFCTNSTATUS TYPE STRING,
CACLRFCTNSTATUSNAME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CCAEXTCOLLVOLUME_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_CCAEXTCOLLVOLUME_STR-MANDT sy-vline 
WA_CCAEXTCOLLVOLUME_STR-CADOCUMENTNUMBER sy-vline 
WA_CCAEXTCOLLVOLUME_STR-CAGRPGCODEFORTRANSFTOCOLLAGCY sy-vline 
WA_CCAEXTCOLLVOLUME_STR-CACOLLECTIONAGENCY sy-vline 
WA_CCAEXTCOLLVOLUME_STR-CACOLLECTIONAGENCYNAME sy-vline 
WA_CCAEXTCOLLVOLUME_STR-CADATEOFTRANSFERTOCOLLAGCY sy-vline 
WA_CCAEXTCOLLVOLUME_STR-CAREASONFORTRANSFERTOCOLLAGCY sy-vline 
WA_CCAEXTCOLLVOLUME_STR-CARSNNAMEFORTRANSFERTOCOLLAGCY sy-vline 
WA_CCAEXTCOLLVOLUME_STR-CARECEIVABLERECALLDATE sy-vline 
WA_CCAEXTCOLLVOLUME_STR-CARECEIVABLERECALLREASON sy-vline 
WA_CCAEXTCOLLVOLUME_STR-CARECEIVABLERECALLREASONNAME sy-vline 
WA_CCAEXTCOLLVOLUME_STR-BUSINESSPARTNER sy-vline 
WA_CCAEXTCOLLVOLUME_STR-LASTNAME sy-vline 
WA_CCAEXTCOLLVOLUME_STR-FIRSTNAME sy-vline 
WA_CCAEXTCOLLVOLUME_STR-BUSINESSPARTNERNAME sy-vline 
WA_CCAEXTCOLLVOLUME_STR-CONTRACTACCOUNTCATEGORY sy-vline 
WA_CCAEXTCOLLVOLUME_STR-POSTALCODE sy-vline 
WA_CCAEXTCOLLVOLUME_STR-COMPANYCODE sy-vline 
WA_CCAEXTCOLLVOLUME_STR-CONTRACTACCOUNT sy-vline 
WA_CCAEXTCOLLVOLUME_STR-CATRANSFERTOCOLLAGCYSTATUS sy-vline 
WA_CCAEXTCOLLVOLUME_STR-CATRANSFERTOCOLLAGCYSTATUSNAME sy-vline 
WA_CCAEXTCOLLVOLUME_STR-CAAMOUNTINTRANSACTIONCURRENCY sy-vline 
WA_CCAEXTCOLLVOLUME_STR-OPENAMOUNTINTRANSCRCY sy-vline 
WA_CCAEXTCOLLVOLUME_STR-CAPAYMENTAMOUNTINTRANSCURRENCY sy-vline 
WA_CCAEXTCOLLVOLUME_STR-CANONCOLLECTABLEAMOUNT sy-vline 
WA_CCAEXTCOLLVOLUME_STR-CAINTRSTRECEIVABLEFROMCOLLAGCY sy-vline 
WA_CCAEXTCOLLVOLUME_STR-CACHARGERECEIVABLEFROMCOLLAGCY sy-vline 
WA_CCAEXTCOLLVOLUME_STR-TRANSACTIONCURRENCY sy-vline 
WA_CCAEXTCOLLVOLUME_STR-AMOUNTINDISPLAYCURRENCY sy-vline 
WA_CCAEXTCOLLVOLUME_STR-OPENAMOUNTINDISPLAYCRCY sy-vline 
WA_CCAEXTCOLLVOLUME_STR-PAYMENTAMOUNTINDISPLAYCRCY sy-vline 
WA_CCAEXTCOLLVOLUME_STR-CANONCOLLECTABLEAMTINDSPCRCY sy-vline 
WA_CCAEXTCOLLVOLUME_STR-CAINTRSTRBLFROMCOLLAGCYINDC sy-vline 
WA_CCAEXTCOLLVOLUME_STR-CACHRGRBLFROMCOLLAGCYINDSPCRCY sy-vline 
WA_CCAEXTCOLLVOLUME_STR-DISPLAYCURRENCY sy-vline 
WA_CCAEXTCOLLVOLUME_STR-NUMBEROFOPENITEMS sy-vline 
WA_CCAEXTCOLLVOLUME_STR-NUMBEROFPAIDITEMS sy-vline 
WA_CCAEXTCOLLVOLUME_STR-CANUMBEROFNONCOLLECTABLEITEMS sy-vline 
WA_CCAEXTCOLLVOLUME_STR-CANUMBEROFINTERESTITEMS sy-vline 
WA_CCAEXTCOLLVOLUME_STR-CANUMBEROFCHARGEITEMS sy-vline 
WA_CCAEXTCOLLVOLUME_STR-CAAUTHORIZATIONGROUP sy-vline 
WA_CCAEXTCOLLVOLUME_STR-CREDITAMOUNTINDISPLAYCRCY sy-vline 
WA_CCAEXTCOLLVOLUME_STR-DEBITAMOUNTINDISPLAYCRCY sy-vline 
WA_CCAEXTCOLLVOLUME_STR-WORKLISTITEMCREATIONDATE sy-vline 
WA_CCAEXTCOLLVOLUME_STR-CACLRFCTNSTATUS sy-vline 
WA_CCAEXTCOLLVOLUME_STR-CACLRFCTNSTATUSNAME sy-vline      INTO ld_text SEPARATED BY SPACE.

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