ABAP Select data from SAP table FINS_CFIN_S_DFV_CO_DOC_CMP_L into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FINS_CFIN_S_DFV_CO_DOC_CMP_L
*  INTO TABLE @DATA(IT_FINS_CFIN_S_DFV_CO_DOC_CMP_L2).
*--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_FINS_CFIN_S_DFV_CO_DOC_CMP_L INDEX 1 INTO DATA(WA_FINS_CFIN_S_DFV_CO_DOC_CMP_L2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FINS_CFIN_S_DFV_CO_DOC_CMP_L>-LOG_SYSTEMSRC = 1.
<FINS_CFIN_S_DFV_CO_DOC_CMP_L>-AWTYPSRC = 1.
<FINS_CFIN_S_DFV_CO_DOC_CMP_L>-AWKEYSRC = 1.
<FINS_CFIN_S_DFV_CO_DOC_CMP_L>-KOKRSSRC = 1.
<FINS_CFIN_S_DFV_CO_DOC_CMP_L>-BELNRSRC = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FINS_CFIN_S_DFV_CO_DOC_CMP_L-BUKRSSRC, sy-vline,
  WA_FINS_CFIN_S_DFV_CO_DOC_CMP_L-KSTARSRC, sy-vline,
  WA_FINS_CFIN_S_DFV_CO_DOC_CMP_L-KWAERSRC, sy-vline,
  WA_FINS_CFIN_S_DFV_CO_DOC_CMP_L-WKGBALANCESRC, sy-vline,
  WA_FINS_CFIN_S_DFV_CO_DOC_CMP_L-WKGDEBITSRC, sy-vline,
  WA_FINS_CFIN_S_DFV_CO_DOC_CMP_L-WKGCREDITSRC, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FINS_CFIN_S_DFV_CO_DOC_CMP_L 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_FINS_CFIN_S_DFV_CO_DOC_CMP_L 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_FINS_CFIN_S_DFV_CO_DOC_CMP_L INTO WA_FINS_CFIN_S_DFV_CO_DOC_CMP_L.


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

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

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

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

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

*Conversion exit ALPHA, internal->external for field KSTARTRG
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FINS_CFIN_S_DFV_CO_DOC_CMP_L-KSTARTRG
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FINS_CFIN_S_DFV_CO_DOC_CMP_L-KSTARTRG.
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_FINS_CFIN_S_DFV_CO_DOC_CMP_L_STR, 
LOG_SYSTEMSRC TYPE STRING,
AWTYPSRC TYPE STRING,
AWKEYSRC TYPE STRING,
KOKRSSRC TYPE STRING,
BELNRSRC TYPE STRING,
BUKRSSRC TYPE STRING,
KSTARSRC TYPE STRING,
KWAERSRC TYPE STRING,
WKGBALANCESRC TYPE STRING,
WKGDEBITSRC TYPE STRING,
WKGCREDITSRC TYPE STRING,
TWAERSRC TYPE STRING,
WTGBALANCESRC TYPE STRING,
WTGDEBITSRC TYPE STRING,
WTGCREDITSRC TYPE STRING,
ITEMESSRC TYPE STRING,
OBJNRSRC TYPE STRING,
OBJIDENTSRC TYPE STRING,
OBJTEXTSRC TYPE STRING,
ACCASSRC TYPE STRING,
ACCASTYSRC TYPE STRING,
LOG_SYSTEMTRG TYPE STRING,
AWTYPTRG TYPE STRING,
AWKEYTRG TYPE STRING,
KOKRSTRG TYPE STRING,
BELNRTRG TYPE STRING,
BUKRSTRG TYPE STRING,
KSTARTRG TYPE STRING,
KWAERTRG TYPE STRING,
WKGBALANCETRG TYPE STRING,
WKGDEBITTRG TYPE STRING,
WKGCREDITTRG TYPE STRING,
TWAERTRG TYPE STRING,
WTGBALANCETRG TYPE STRING,
WTGDEBITTRG TYPE STRING,
WTGCREDITTRG TYPE STRING,
ITEMESTRG TYPE STRING,
OBJNRTRG TYPE STRING,
OBJIDENTTRG TYPE STRING,
OBJTEXTTRG TYPE STRING,
ACCASTRG TYPE STRING,
ACCASTYTRG TYPE STRING,
REFDOC_HEADER TYPE STRING,
TRG_DOCITEM TYPE STRING,
DIFFERENCEIND TYPE STRING,
XDIFFERENCEIND TYPE STRING,
FIELDS_WITH_DIFF TYPE STRING,
T_COLOR TYPE STRING,
T_CELLTYPE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FINS_CFIN_S_DFV_CO_DOC_CMP_L_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_FINS_CFIN_S_DFV_CO_DOC_CMP_L_STR-LOG_SYSTEMSRC sy-vline 
WA_FINS_CFIN_S_DFV_CO_DOC_CMP_L_STR-AWTYPSRC sy-vline 
WA_FINS_CFIN_S_DFV_CO_DOC_CMP_L_STR-AWKEYSRC sy-vline 
WA_FINS_CFIN_S_DFV_CO_DOC_CMP_L_STR-KOKRSSRC sy-vline 
WA_FINS_CFIN_S_DFV_CO_DOC_CMP_L_STR-BELNRSRC sy-vline 
WA_FINS_CFIN_S_DFV_CO_DOC_CMP_L_STR-BUKRSSRC sy-vline 
WA_FINS_CFIN_S_DFV_CO_DOC_CMP_L_STR-KSTARSRC sy-vline 
WA_FINS_CFIN_S_DFV_CO_DOC_CMP_L_STR-KWAERSRC sy-vline 
WA_FINS_CFIN_S_DFV_CO_DOC_CMP_L_STR-WKGBALANCESRC sy-vline 
WA_FINS_CFIN_S_DFV_CO_DOC_CMP_L_STR-WKGDEBITSRC sy-vline 
WA_FINS_CFIN_S_DFV_CO_DOC_CMP_L_STR-WKGCREDITSRC sy-vline 
WA_FINS_CFIN_S_DFV_CO_DOC_CMP_L_STR-TWAERSRC sy-vline 
WA_FINS_CFIN_S_DFV_CO_DOC_CMP_L_STR-WTGBALANCESRC sy-vline 
WA_FINS_CFIN_S_DFV_CO_DOC_CMP_L_STR-WTGDEBITSRC sy-vline 
WA_FINS_CFIN_S_DFV_CO_DOC_CMP_L_STR-WTGCREDITSRC sy-vline 
WA_FINS_CFIN_S_DFV_CO_DOC_CMP_L_STR-ITEMESSRC sy-vline 
WA_FINS_CFIN_S_DFV_CO_DOC_CMP_L_STR-OBJNRSRC sy-vline 
WA_FINS_CFIN_S_DFV_CO_DOC_CMP_L_STR-OBJIDENTSRC sy-vline 
WA_FINS_CFIN_S_DFV_CO_DOC_CMP_L_STR-OBJTEXTSRC sy-vline 
WA_FINS_CFIN_S_DFV_CO_DOC_CMP_L_STR-ACCASSRC sy-vline 
WA_FINS_CFIN_S_DFV_CO_DOC_CMP_L_STR-ACCASTYSRC sy-vline 
WA_FINS_CFIN_S_DFV_CO_DOC_CMP_L_STR-LOG_SYSTEMTRG sy-vline 
WA_FINS_CFIN_S_DFV_CO_DOC_CMP_L_STR-AWTYPTRG sy-vline 
WA_FINS_CFIN_S_DFV_CO_DOC_CMP_L_STR-AWKEYTRG sy-vline 
WA_FINS_CFIN_S_DFV_CO_DOC_CMP_L_STR-KOKRSTRG sy-vline 
WA_FINS_CFIN_S_DFV_CO_DOC_CMP_L_STR-BELNRTRG sy-vline 
WA_FINS_CFIN_S_DFV_CO_DOC_CMP_L_STR-BUKRSTRG sy-vline 
WA_FINS_CFIN_S_DFV_CO_DOC_CMP_L_STR-KSTARTRG sy-vline 
WA_FINS_CFIN_S_DFV_CO_DOC_CMP_L_STR-KWAERTRG sy-vline 
WA_FINS_CFIN_S_DFV_CO_DOC_CMP_L_STR-WKGBALANCETRG sy-vline 
WA_FINS_CFIN_S_DFV_CO_DOC_CMP_L_STR-WKGDEBITTRG sy-vline 
WA_FINS_CFIN_S_DFV_CO_DOC_CMP_L_STR-WKGCREDITTRG sy-vline 
WA_FINS_CFIN_S_DFV_CO_DOC_CMP_L_STR-TWAERTRG sy-vline 
WA_FINS_CFIN_S_DFV_CO_DOC_CMP_L_STR-WTGBALANCETRG sy-vline 
WA_FINS_CFIN_S_DFV_CO_DOC_CMP_L_STR-WTGDEBITTRG sy-vline 
WA_FINS_CFIN_S_DFV_CO_DOC_CMP_L_STR-WTGCREDITTRG sy-vline 
WA_FINS_CFIN_S_DFV_CO_DOC_CMP_L_STR-ITEMESTRG sy-vline 
WA_FINS_CFIN_S_DFV_CO_DOC_CMP_L_STR-OBJNRTRG sy-vline 
WA_FINS_CFIN_S_DFV_CO_DOC_CMP_L_STR-OBJIDENTTRG sy-vline 
WA_FINS_CFIN_S_DFV_CO_DOC_CMP_L_STR-OBJTEXTTRG sy-vline 
WA_FINS_CFIN_S_DFV_CO_DOC_CMP_L_STR-ACCASTRG sy-vline 
WA_FINS_CFIN_S_DFV_CO_DOC_CMP_L_STR-ACCASTYTRG sy-vline 
WA_FINS_CFIN_S_DFV_CO_DOC_CMP_L_STR-REFDOC_HEADER sy-vline 
WA_FINS_CFIN_S_DFV_CO_DOC_CMP_L_STR-TRG_DOCITEM sy-vline 
WA_FINS_CFIN_S_DFV_CO_DOC_CMP_L_STR-DIFFERENCEIND sy-vline 
WA_FINS_CFIN_S_DFV_CO_DOC_CMP_L_STR-XDIFFERENCEIND sy-vline 
WA_FINS_CFIN_S_DFV_CO_DOC_CMP_L_STR-FIELDS_WITH_DIFF sy-vline 
WA_FINS_CFIN_S_DFV_CO_DOC_CMP_L_STR-T_COLOR sy-vline 
WA_FINS_CFIN_S_DFV_CO_DOC_CMP_L_STR-T_CELLTYPE sy-vline      INTO ld_text SEPARATED BY SPACE.

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