ABAP Select data from SAP table FINV_DRF_CCTR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FINV_DRF_CCTR
*  INTO TABLE @DATA(IT_FINV_DRF_CCTR2).
*--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_FINV_DRF_CCTR INDEX 1 INTO DATA(WA_FINV_DRF_CCTR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FINV_DRF_CCTR>-MANDT = 1.
<FINV_DRF_CCTR>-COAREA = 1.
<FINV_DRF_CCTR>-CCTR = 1.
<FINV_DRF_CCTR>-DATBI = 1.
<FINV_DRF_CCTR>-DATAB = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FINV_DRF_CCTR-BKZKP, sy-vline,
  WA_FINV_DRF_CCTR-PKZKP, sy-vline,
  WA_FINV_DRF_CCTR-BUKRS, sy-vline,
  WA_FINV_DRF_CCTR-GSBER, sy-vline,
  WA_FINV_DRF_CCTR-KOSAR, sy-vline,
  WA_FINV_DRF_CCTR-VERAK, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FINV_DRF_CCTR 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_FINV_DRF_CCTR 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_FINV_DRF_CCTR INTO WA_FINV_DRF_CCTR.


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

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

*Conversion exit ALPHA, internal->external for field LOGSYSTEM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FINV_DRF_CCTR-LOGSYSTEM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FINV_DRF_CCTR-LOGSYSTEM.
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_FINV_DRF_CCTR_STR, 
MANDT TYPE STRING,
COAREA TYPE STRING,
CCTR TYPE STRING,
DATBI TYPE STRING,
DATAB TYPE STRING,
BKZKP TYPE STRING,
PKZKP TYPE STRING,
BUKRS TYPE STRING,
GSBER TYPE STRING,
KOSAR TYPE STRING,
VERAK TYPE STRING,
VERAK_USER TYPE STRING,
WAERS TYPE STRING,
KALSM TYPE STRING,
TXJCD TYPE STRING,
PRCTR TYPE STRING,
WERKS TYPE STRING,
LOGSYSTEM TYPE STRING,
ERSDA TYPE STRING,
USNAM TYPE STRING,
BKZKS TYPE STRING,
BKZER TYPE STRING,
BKZOB TYPE STRING,
PKZKS TYPE STRING,
PKZER TYPE STRING,
VMETH TYPE STRING,
MGEFL TYPE STRING,
ABTEI TYPE STRING,
KOSZSCHL TYPE STRING,
KHINR TYPE STRING,
CCKEY TYPE STRING,
KOMPL TYPE STRING,
STAKZ TYPE STRING,
OBJNR TYPE STRING,
FUNKT TYPE STRING,
AFUNK TYPE STRING,
CPI_TEMPL TYPE STRING,
CPD_TEMPL TYPE STRING,
FUNC_AREA TYPE STRING,
SCI_TEMPL TYPE STRING,
SCD_TEMPL TYPE STRING,
SKI_TEMPL TYPE STRING,
SKD_TEMPL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FINV_DRF_CCTR_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_FINV_DRF_CCTR_STR-MANDT sy-vline 
WA_FINV_DRF_CCTR_STR-COAREA sy-vline 
WA_FINV_DRF_CCTR_STR-CCTR sy-vline 
WA_FINV_DRF_CCTR_STR-DATBI sy-vline 
WA_FINV_DRF_CCTR_STR-DATAB sy-vline 
WA_FINV_DRF_CCTR_STR-BKZKP sy-vline 
WA_FINV_DRF_CCTR_STR-PKZKP sy-vline 
WA_FINV_DRF_CCTR_STR-BUKRS sy-vline 
WA_FINV_DRF_CCTR_STR-GSBER sy-vline 
WA_FINV_DRF_CCTR_STR-KOSAR sy-vline 
WA_FINV_DRF_CCTR_STR-VERAK sy-vline 
WA_FINV_DRF_CCTR_STR-VERAK_USER sy-vline 
WA_FINV_DRF_CCTR_STR-WAERS sy-vline 
WA_FINV_DRF_CCTR_STR-KALSM sy-vline 
WA_FINV_DRF_CCTR_STR-TXJCD sy-vline 
WA_FINV_DRF_CCTR_STR-PRCTR sy-vline 
WA_FINV_DRF_CCTR_STR-WERKS sy-vline 
WA_FINV_DRF_CCTR_STR-LOGSYSTEM sy-vline 
WA_FINV_DRF_CCTR_STR-ERSDA sy-vline 
WA_FINV_DRF_CCTR_STR-USNAM sy-vline 
WA_FINV_DRF_CCTR_STR-BKZKS sy-vline 
WA_FINV_DRF_CCTR_STR-BKZER sy-vline 
WA_FINV_DRF_CCTR_STR-BKZOB sy-vline 
WA_FINV_DRF_CCTR_STR-PKZKS sy-vline 
WA_FINV_DRF_CCTR_STR-PKZER sy-vline 
WA_FINV_DRF_CCTR_STR-VMETH sy-vline 
WA_FINV_DRF_CCTR_STR-MGEFL sy-vline 
WA_FINV_DRF_CCTR_STR-ABTEI sy-vline 
WA_FINV_DRF_CCTR_STR-KOSZSCHL sy-vline 
WA_FINV_DRF_CCTR_STR-KHINR sy-vline 
WA_FINV_DRF_CCTR_STR-CCKEY sy-vline 
WA_FINV_DRF_CCTR_STR-KOMPL sy-vline 
WA_FINV_DRF_CCTR_STR-STAKZ sy-vline 
WA_FINV_DRF_CCTR_STR-OBJNR sy-vline 
WA_FINV_DRF_CCTR_STR-FUNKT sy-vline 
WA_FINV_DRF_CCTR_STR-AFUNK sy-vline 
WA_FINV_DRF_CCTR_STR-CPI_TEMPL sy-vline 
WA_FINV_DRF_CCTR_STR-CPD_TEMPL sy-vline 
WA_FINV_DRF_CCTR_STR-FUNC_AREA sy-vline 
WA_FINV_DRF_CCTR_STR-SCI_TEMPL sy-vline 
WA_FINV_DRF_CCTR_STR-SCD_TEMPL sy-vline 
WA_FINV_DRF_CCTR_STR-SKI_TEMPL sy-vline 
WA_FINV_DRF_CCTR_STR-SKD_TEMPL sy-vline      INTO ld_text SEPARATED BY SPACE.

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