ABAP Select data from SAP table FKKBIX_DISC_RESULT_MA_AGRMT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FKKBIX_DISC_RESULT_MA_AGRMT
*  INTO TABLE @DATA(IT_FKKBIX_DISC_RESULT_MA_AGRMT2).
*--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_FKKBIX_DISC_RESULT_MA_AGRMT INDEX 1 INTO DATA(WA_FKKBIX_DISC_RESULT_MA_AGRMT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FKKBIX_DISC_RESULT_MA_AGRMT>-MAKEY = 1.
<FKKBIX_DISC_RESULT_MA_AGRMT>-AGD = 1.
<FKKBIX_DISC_RESULT_MA_AGRMT>-MANDT = 1.
<FKKBIX_DISC_RESULT_MA_AGRMT>-AGUID = 1.
<FKKBIX_DISC_RESULT_MA_AGRMT>-AGRMT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FKKBIX_DISC_RESULT_MA_AGRMT-VALTO, sy-vline,
  WA_FKKBIX_DISC_RESULT_MA_AGRMT-DISCKEY, sy-vline,
  WA_FKKBIX_DISC_RESULT_MA_AGRMT-DISGP, sy-vline,
  WA_FKKBIX_DISC_RESULT_MA_AGRMT-DISVK, sy-vline,
  WA_FKKBIX_DISC_RESULT_MA_AGRMT-DISCL, sy-vline,
  WA_FKKBIX_DISC_RESULT_MA_AGRMT-CALC_LVL_FLD_VALUE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FKKBIX_DISC_RESULT_MA_AGRMT 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_FKKBIX_DISC_RESULT_MA_AGRMT 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_FKKBIX_DISC_RESULT_MA_AGRMT INTO WA_FKKBIX_DISC_RESULT_MA_AGRMT.


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

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

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

*Conversion exit ALPHA, internal->external for field DISVK
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKKBIX_DISC_RESULT_MA_AGRMT-DISVK
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKKBIX_DISC_RESULT_MA_AGRMT-DISVK.
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_FKKBIX_DISC_RESULT_MA_AGRMT_STR, 
MAKEY TYPE STRING,
AGD TYPE STRING,
MANDT TYPE STRING,
AGUID TYPE STRING,
AGRMT TYPE STRING,
VALTO TYPE STRING,
DISCKEY TYPE STRING,
DISGP TYPE STRING,
DISVK TYPE STRING,
DISCL TYPE STRING,
CALC_LVL_FLD_VALUE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FKKBIX_DISC_RESULT_MA_AGRMT_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_FKKBIX_DISC_RESULT_MA_AGRMT_STR-MAKEY sy-vline 
WA_FKKBIX_DISC_RESULT_MA_AGRMT_STR-AGD sy-vline 
WA_FKKBIX_DISC_RESULT_MA_AGRMT_STR-MANDT sy-vline 
WA_FKKBIX_DISC_RESULT_MA_AGRMT_STR-AGUID sy-vline 
WA_FKKBIX_DISC_RESULT_MA_AGRMT_STR-AGRMT sy-vline 
WA_FKKBIX_DISC_RESULT_MA_AGRMT_STR-VALTO sy-vline 
WA_FKKBIX_DISC_RESULT_MA_AGRMT_STR-DISCKEY sy-vline 
WA_FKKBIX_DISC_RESULT_MA_AGRMT_STR-DISGP sy-vline 
WA_FKKBIX_DISC_RESULT_MA_AGRMT_STR-DISVK sy-vline 
WA_FKKBIX_DISC_RESULT_MA_AGRMT_STR-DISCL sy-vline 
WA_FKKBIX_DISC_RESULT_MA_AGRMT_STR-CALC_LVL_FLD_VALUE sy-vline      INTO ld_text SEPARATED BY SPACE.

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