ABAP Select data from SAP table CFGVK11_O002_105 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP CFGVK11_O002_105 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 CFGVK11_O002_105. 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 CFGVK11_O002_105 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_CFGVK11_O002_105 TYPE STANDARD TABLE OF CFGVK11_O002_105,
      WA_CFGVK11_O002_105 TYPE CFGVK11_O002_105,
      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: <CFGVK11_O002_105> TYPE CFGVK11_O002_105.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_CFGVK11_O002_105.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM CFGVK11_O002_105
  INTO TABLE IT_CFGVK11_O002_105.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CFGVK11_O002_105
*  INTO TABLE @DATA(IT_CFGVK11_O002_1052).
*--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_CFGVK11_O002_105 INDEX 1 INTO DATA(WA_CFGVK11_O002_1052).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_CFGVK11_O002_105 ASSIGNING <CFGVK11_O002_105>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CFGVK11_O002_105>-I_MANDT = 1.
<CFGVK11_O002_105>-I_ALAND = 1.
<CFGVK11_O002_105>-I_DATBI = 1.
<CFGVK11_O002_105>-I_J_1ATXREL = 1.
<CFGVK11_O002_105>-I_KSCHL = 1.

ENDLOOP.

LOOP AT IT_CFGVK11_O002_105 INTO WA_CFGVK11_O002_105.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CFGVK11_O002_105-I_DATAB, sy-vline,
  WA_CFGVK11_O002_105-I_KBETR, sy-vline,
  WA_CFGVK11_O002_105-I_MWSK2, sy-vline,
ENDLOOP.
   
*Add any further fields from structure WA_CFGVK11_O002_105 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_CFGVK11_O002_105 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_CFGVK11_O002_105 INTO WA_CFGVK11_O002_105.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_CFGVK11_O002_105_STR, 
I_MANDT TYPE STRING,
I_ALAND TYPE STRING,
I_DATBI TYPE STRING,
I_J_1ATXREL TYPE STRING,
I_KSCHL TYPE STRING,
I_DATAB TYPE STRING,
I_KBETR TYPE STRING,
I_MWSK2 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CFGVK11_O002_105_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_CFGVK11_O002_105_STR-I_MANDT sy-vline 
WA_CFGVK11_O002_105_STR-I_ALAND sy-vline 
WA_CFGVK11_O002_105_STR-I_DATBI sy-vline 
WA_CFGVK11_O002_105_STR-I_J_1ATXREL sy-vline 
WA_CFGVK11_O002_105_STR-I_KSCHL sy-vline 
WA_CFGVK11_O002_105_STR-I_DATAB sy-vline 
WA_CFGVK11_O002_105_STR-I_KBETR sy-vline 
WA_CFGVK11_O002_105_STR-I_MWSK2 sy-vline      INTO ld_text SEPARATED BY SPACE.

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