ABAP Select data from SAP table C460 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP C460 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 C460. 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 C460 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_C460 TYPE STANDARD TABLE OF C460,
      WA_C460 TYPE C460,
      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: <C460> TYPE C460.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_C460.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM C460
  INTO TABLE IT_C460.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM C460
*  INTO TABLE @DATA(IT_C4602).
*--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_C460 INDEX 1 INTO DATA(WA_C4602).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_C460 ASSIGNING <C460>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<C460>-MANDT = 1.
<C460>-KAPPL = 1.
<C460>-KSCHL = 1.
<C460>-KTOPL = 1.
<C460>-EKORG = 1.

ENDLOOP.

LOOP AT IT_C460 INTO WA_C460.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_C460-DRERZ, sy-vline,
  WA_C460-PVA, sy-vline,
  WA_C460-VSG, sy-vline,
  WA_C460-KVSL1, sy-vline,
  WA_C460-SAKN1, sy-vline,
  WA_C460-SAKN2, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_C460 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_C460 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_C460 INTO WA_C460.


*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 DRERZ
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_C460-DRERZ
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_C460-DRERZ.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PVA
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_C460-PVA
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_C460-PVA.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field VSG
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_C460-VSG
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_C460-VSG.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SAKN1
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_C460-SAKN1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_C460-SAKN1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SAKN2
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_C460-SAKN2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_C460-SAKN2.
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_C460_STR, 
MANDT TYPE STRING,
KAPPL TYPE STRING,
KSCHL TYPE STRING,
KTOPL TYPE STRING,
EKORG TYPE STRING,
DRERZ TYPE STRING,
PVA TYPE STRING,
VSG TYPE STRING,
KVSL1 TYPE STRING,
SAKN1 TYPE STRING,
SAKN2 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_C460_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_C460_STR-MANDT sy-vline 
WA_C460_STR-KAPPL sy-vline 
WA_C460_STR-KSCHL sy-vline 
WA_C460_STR-KTOPL sy-vline 
WA_C460_STR-EKORG sy-vline 
WA_C460_STR-DRERZ sy-vline 
WA_C460_STR-PVA sy-vline 
WA_C460_STR-VSG sy-vline 
WA_C460_STR-KVSL1 sy-vline 
WA_C460_STR-SAKN1 sy-vline 
WA_C460_STR-SAKN2 sy-vline      INTO ld_text SEPARATED BY SPACE.

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