ABAP Select data from SAP table FKK_DUNNINGSUCC_ODATA_DUNNING into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FKK_DUNNINGSUCC_ODATA_DUNNING
*  INTO TABLE @DATA(IT_FKK_DUNNINGSUCC_ODATA_DUNNING2).
*--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_FKK_DUNNINGSUCC_ODATA_DUNNING INDEX 1 INTO DATA(WA_FKK_DUNNINGSUCC_ODATA_DUNNING2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FKK_DUNNINGSUCC_ODATA_DUNNING>-ODATA_KEY = 1.
<FKK_DUNNINGSUCC_ODATA_DUNNING>-CADUNNINGPROCEDURE = 1.
<FKK_DUNNINGSUCC_ODATA_DUNNING>-CADUNNINGPROCEDURENAME = 1.
<FKK_DUNNINGSUCC_ODATA_DUNNING>-CADUNNINGLEVEL = 1.
<FKK_DUNNINGSUCC_ODATA_DUNNING>-CADUNNINGLEVELNAME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FKK_DUNNINGSUCC_ODATA_DUNNING-CAMASSRUNDATE, sy-vline,
  WA_FKK_DUNNINGSUCC_ODATA_DUNNING-CAMASSRUNID, sy-vline,
  WA_FKK_DUNNINGSUCC_ODATA_DUNNING-BUSINESSPARTNER, sy-vline,
  WA_FKK_DUNNINGSUCC_ODATA_DUNNING-CONTRACTACCOUNT, sy-vline,
  WA_FKK_DUNNINGSUCC_ODATA_DUNNING-CADUNNINGCOUNTER, sy-vline,
  WA_FKK_DUNNINGSUCC_ODATA_DUNNING-CASTANDARDCOMPANYCODE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FKK_DUNNINGSUCC_ODATA_DUNNING 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_FKK_DUNNINGSUCC_ODATA_DUNNING 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_FKK_DUNNINGSUCC_ODATA_DUNNING INTO WA_FKK_DUNNINGSUCC_ODATA_DUNNING.


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

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

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

*Conversion exit ALPHA, internal->external for field CACONTRACT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKK_DUNNINGSUCC_ODATA_DUNNING-CACONTRACT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKK_DUNNINGSUCC_ODATA_DUNNING-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_FKK_DUNNINGSUCC_ODATA_DUNNING_STR, 
ODATA_KEY TYPE STRING,
CADUNNINGPROCEDURE TYPE STRING,
CADUNNINGPROCEDURENAME TYPE STRING,
CADUNNINGLEVEL TYPE STRING,
CADUNNINGLEVELNAME TYPE STRING,
CAMASSRUNDATE TYPE STRING,
CAMASSRUNID TYPE STRING,
BUSINESSPARTNER TYPE STRING,
CONTRACTACCOUNT TYPE STRING,
CADUNNINGCOUNTER TYPE STRING,
CASTANDARDCOMPANYCODE TYPE STRING,
COMPANYCODENAME TYPE STRING,
BUSINESSAREA TYPE STRING,
DIVISION TYPE STRING,
CAISSUEDATE TYPE STRING,
CADUNBALANCEINDSPCRCY TYPE STRING,
CADUNBALANCEOFSUCCESSINDSPCRCY TYPE STRING,
CADUNAMOUNTINDSPCRCY TYPE STRING,
CADUNAMOUNTOFSUCCESSINDSPCRCY TYPE STRING,
CASUCCESSPERCENTAGE TYPE STRING,
SEGMENT TYPE STRING,
SEGMENTNAME TYPE STRING,
CADOCUMENTTYPE TYPE STRING,
CAACCOUNTDETERMINATIONCODE TYPE STRING,
CAMAINTRANSACTION TYPE STRING,
CASUBTRANSACTION TYPE STRING,
CASTATISTICALITEMCODE TYPE STRING,
POSTALCODE TYPE STRING,
CONTRACTACCOUNTCATEGORY TYPE STRING,
CANUMBEROFDUNNINGNOTICES TYPE STRING,
CATIMEINTERVALTYPE TYPE STRING,
CATIMEINTERVALSTARTDATE TYPE STRING,
CATIMEINTERVALENDDATE TYPE STRING,
TEXT TYPE STRING,
APPSTATE TYPE STRING,
DISPLAYCURRENCY TYPE STRING,
CASEMANTICISSUEDATECODE TYPE STRING,
CACONTRACT TYPE STRING,
CASUBAPPLICATION TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FKK_DUNNINGSUCC_ODATA_DUNNING_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_FKK_DUNNINGSUCC_ODATA_DUNNING_STR-ODATA_KEY sy-vline 
WA_FKK_DUNNINGSUCC_ODATA_DUNNING_STR-CADUNNINGPROCEDURE sy-vline 
WA_FKK_DUNNINGSUCC_ODATA_DUNNING_STR-CADUNNINGPROCEDURENAME sy-vline 
WA_FKK_DUNNINGSUCC_ODATA_DUNNING_STR-CADUNNINGLEVEL sy-vline 
WA_FKK_DUNNINGSUCC_ODATA_DUNNING_STR-CADUNNINGLEVELNAME sy-vline 
WA_FKK_DUNNINGSUCC_ODATA_DUNNING_STR-CAMASSRUNDATE sy-vline 
WA_FKK_DUNNINGSUCC_ODATA_DUNNING_STR-CAMASSRUNID sy-vline 
WA_FKK_DUNNINGSUCC_ODATA_DUNNING_STR-BUSINESSPARTNER sy-vline 
WA_FKK_DUNNINGSUCC_ODATA_DUNNING_STR-CONTRACTACCOUNT sy-vline 
WA_FKK_DUNNINGSUCC_ODATA_DUNNING_STR-CADUNNINGCOUNTER sy-vline 
WA_FKK_DUNNINGSUCC_ODATA_DUNNING_STR-CASTANDARDCOMPANYCODE sy-vline 
WA_FKK_DUNNINGSUCC_ODATA_DUNNING_STR-COMPANYCODENAME sy-vline 
WA_FKK_DUNNINGSUCC_ODATA_DUNNING_STR-BUSINESSAREA sy-vline 
WA_FKK_DUNNINGSUCC_ODATA_DUNNING_STR-DIVISION sy-vline 
WA_FKK_DUNNINGSUCC_ODATA_DUNNING_STR-CAISSUEDATE sy-vline 
WA_FKK_DUNNINGSUCC_ODATA_DUNNING_STR-CADUNBALANCEINDSPCRCY sy-vline 
WA_FKK_DUNNINGSUCC_ODATA_DUNNING_STR-CADUNBALANCEOFSUCCESSINDSPCRCY sy-vline 
WA_FKK_DUNNINGSUCC_ODATA_DUNNING_STR-CADUNAMOUNTINDSPCRCY sy-vline 
WA_FKK_DUNNINGSUCC_ODATA_DUNNING_STR-CADUNAMOUNTOFSUCCESSINDSPCRCY sy-vline 
WA_FKK_DUNNINGSUCC_ODATA_DUNNING_STR-CASUCCESSPERCENTAGE sy-vline 
WA_FKK_DUNNINGSUCC_ODATA_DUNNING_STR-SEGMENT sy-vline 
WA_FKK_DUNNINGSUCC_ODATA_DUNNING_STR-SEGMENTNAME sy-vline 
WA_FKK_DUNNINGSUCC_ODATA_DUNNING_STR-CADOCUMENTTYPE sy-vline 
WA_FKK_DUNNINGSUCC_ODATA_DUNNING_STR-CAACCOUNTDETERMINATIONCODE sy-vline 
WA_FKK_DUNNINGSUCC_ODATA_DUNNING_STR-CAMAINTRANSACTION sy-vline 
WA_FKK_DUNNINGSUCC_ODATA_DUNNING_STR-CASUBTRANSACTION sy-vline 
WA_FKK_DUNNINGSUCC_ODATA_DUNNING_STR-CASTATISTICALITEMCODE sy-vline 
WA_FKK_DUNNINGSUCC_ODATA_DUNNING_STR-POSTALCODE sy-vline 
WA_FKK_DUNNINGSUCC_ODATA_DUNNING_STR-CONTRACTACCOUNTCATEGORY sy-vline 
WA_FKK_DUNNINGSUCC_ODATA_DUNNING_STR-CANUMBEROFDUNNINGNOTICES sy-vline 
WA_FKK_DUNNINGSUCC_ODATA_DUNNING_STR-CATIMEINTERVALTYPE sy-vline 
WA_FKK_DUNNINGSUCC_ODATA_DUNNING_STR-CATIMEINTERVALSTARTDATE sy-vline 
WA_FKK_DUNNINGSUCC_ODATA_DUNNING_STR-CATIMEINTERVALENDDATE sy-vline 
WA_FKK_DUNNINGSUCC_ODATA_DUNNING_STR-TEXT sy-vline 
WA_FKK_DUNNINGSUCC_ODATA_DUNNING_STR-APPSTATE sy-vline 
WA_FKK_DUNNINGSUCC_ODATA_DUNNING_STR-DISPLAYCURRENCY sy-vline 
WA_FKK_DUNNINGSUCC_ODATA_DUNNING_STR-CASEMANTICISSUEDATECODE sy-vline 
WA_FKK_DUNNINGSUCC_ODATA_DUNNING_STR-CACONTRACT sy-vline 
WA_FKK_DUNNINGSUCC_ODATA_DUNNING_STR-CASUBAPPLICATION sy-vline      INTO ld_text SEPARATED BY SPACE.

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