ABAP Select data from SAP table VFCO_CSKS_SHV_NA into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM VFCO_CSKS_SHV_NA
*  INTO TABLE @DATA(IT_VFCO_CSKS_SHV_NA2).
*--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_VFCO_CSKS_SHV_NA INDEX 1 INTO DATA(WA_VFCO_CSKS_SHV_NA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<VFCO_CSKS_SHV_NA>-MANDT = 1.
<VFCO_CSKS_SHV_NA>-KOKRS = 1.
<VFCO_CSKS_SHV_NA>-KOSTL = 1.
<VFCO_CSKS_SHV_NA>-DATBI = 1.
<VFCO_CSKS_SHV_NA>-DATAB = 1.

ENDLOOP.

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

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


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

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

*Conversion exit ISOLA, internal->external for field SPRAS
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_VFCO_CSKS_SHV_NA-SPRAS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VFCO_CSKS_SHV_NA-SPRAS.
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_VFCO_CSKS_SHV_NA_STR, 
MANDT TYPE STRING,
KOKRS TYPE STRING,
KOSTL TYPE STRING,
DATBI TYPE STRING,
DATAB TYPE STRING,
BKZKP TYPE STRING,
PKZKP TYPE STRING,
BUKRS TYPE STRING,
GSBER TYPE STRING,
KOSAR TYPE STRING,
PRCTR TYPE STRING,
ERSDA TYPE STRING,
USNAM TYPE STRING,
BKZKS TYPE STRING,
BKZER TYPE STRING,
BKZOB TYPE STRING,
PKZKS TYPE STRING,
PKZER TYPE STRING,
SPRAS TYPE STRING,
KHINR TYPE STRING,
FUNC_AREA TYPE STRING,END OF T_EKKO_STR.
DATA: WA_VFCO_CSKS_SHV_NA_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_VFCO_CSKS_SHV_NA_STR-MANDT sy-vline 
WA_VFCO_CSKS_SHV_NA_STR-KOKRS sy-vline 
WA_VFCO_CSKS_SHV_NA_STR-KOSTL sy-vline 
WA_VFCO_CSKS_SHV_NA_STR-DATBI sy-vline 
WA_VFCO_CSKS_SHV_NA_STR-DATAB sy-vline 
WA_VFCO_CSKS_SHV_NA_STR-BKZKP sy-vline 
WA_VFCO_CSKS_SHV_NA_STR-PKZKP sy-vline 
WA_VFCO_CSKS_SHV_NA_STR-BUKRS sy-vline 
WA_VFCO_CSKS_SHV_NA_STR-GSBER sy-vline 
WA_VFCO_CSKS_SHV_NA_STR-KOSAR sy-vline 
WA_VFCO_CSKS_SHV_NA_STR-PRCTR sy-vline 
WA_VFCO_CSKS_SHV_NA_STR-ERSDA sy-vline 
WA_VFCO_CSKS_SHV_NA_STR-USNAM sy-vline 
WA_VFCO_CSKS_SHV_NA_STR-BKZKS sy-vline 
WA_VFCO_CSKS_SHV_NA_STR-BKZER sy-vline 
WA_VFCO_CSKS_SHV_NA_STR-BKZOB sy-vline 
WA_VFCO_CSKS_SHV_NA_STR-PKZKS sy-vline 
WA_VFCO_CSKS_SHV_NA_STR-PKZER sy-vline 
WA_VFCO_CSKS_SHV_NA_STR-SPRAS sy-vline 
WA_VFCO_CSKS_SHV_NA_STR-KHINR sy-vline 
WA_VFCO_CSKS_SHV_NA_STR-FUNC_AREA sy-vline      INTO ld_text SEPARATED BY SPACE.

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