ABAP Select data from SAP table FKK_SUM_OPAA into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FKK_SUM_OPAA
*  INTO TABLE @DATA(IT_FKK_SUM_OPAA2).
*--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_FKK_SUM_OPAA INDEX 1 INTO DATA(WA_FKK_SUM_OPAA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FKK_SUM_OPAA>-OPBEL = 1.
<FKK_SUM_OPAA>-OPUPK = 1.
<FKK_SUM_OPAA>-OPUPS = 1.
<FKK_SUM_OPAA>-BETRH = 1.
<FKK_SUM_OPAA>-BETRW = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FKK_SUM_OPAA-BETR2, sy-vline,
  WA_FKK_SUM_OPAA-BETR3, sy-vline,
  WA_FKK_SUM_OPAA-SBASH, sy-vline,
  WA_FKK_SUM_OPAA-SBASW, sy-vline,
  WA_FKK_SUM_OPAA-GSBER, sy-vline,
  WA_FKK_SUM_OPAA-SEGMENT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FKK_SUM_OPAA 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_FKK_SUM_OPAA 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_FKK_SUM_OPAA INTO WA_FKK_SUM_OPAA.


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

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

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

*Conversion exit FMCIL, internal->external for field FIPEX
CALL FUNCTION 'CONVERSION_EXIT_FMCIL_OUTPUT'
  EXPORTING
    input =                      WA_FKK_SUM_OPAA-FIPEX
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKK_SUM_OPAA-FIPEX.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit GJAHR, internal->external for field BUDGETYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_FKK_SUM_OPAA-BUDGETYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKK_SUM_OPAA-BUDGETYEAR.
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_FKK_SUM_OPAA_STR, 
OPBEL TYPE STRING,
OPUPK TYPE STRING,
OPUPS TYPE STRING,
BETRH TYPE STRING,
BETRW TYPE STRING,
BETR2 TYPE STRING,
BETR3 TYPE STRING,
SBASH TYPE STRING,
SBASW TYPE STRING,
GSBER TYPE STRING,
SEGMENT TYPE STRING,
PRCTR TYPE STRING,
ORIGFIKRS TYPE STRING,
FIPEX TYPE STRING,
FISTL TYPE STRING,
FONDS TYPE STRING,
FKBER TYPE STRING,
MEASURE TYPE STRING,
GRANT_NBR TYPE STRING,
BUDGETYEAR TYPE STRING,
BUDGET_PD TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FKK_SUM_OPAA_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_FKK_SUM_OPAA_STR-OPBEL sy-vline 
WA_FKK_SUM_OPAA_STR-OPUPK sy-vline 
WA_FKK_SUM_OPAA_STR-OPUPS sy-vline 
WA_FKK_SUM_OPAA_STR-BETRH sy-vline 
WA_FKK_SUM_OPAA_STR-BETRW sy-vline 
WA_FKK_SUM_OPAA_STR-BETR2 sy-vline 
WA_FKK_SUM_OPAA_STR-BETR3 sy-vline 
WA_FKK_SUM_OPAA_STR-SBASH sy-vline 
WA_FKK_SUM_OPAA_STR-SBASW sy-vline 
WA_FKK_SUM_OPAA_STR-GSBER sy-vline 
WA_FKK_SUM_OPAA_STR-SEGMENT sy-vline 
WA_FKK_SUM_OPAA_STR-PRCTR sy-vline 
WA_FKK_SUM_OPAA_STR-ORIGFIKRS sy-vline 
WA_FKK_SUM_OPAA_STR-FIPEX sy-vline 
WA_FKK_SUM_OPAA_STR-FISTL sy-vline 
WA_FKK_SUM_OPAA_STR-FONDS sy-vline 
WA_FKK_SUM_OPAA_STR-FKBER sy-vline 
WA_FKK_SUM_OPAA_STR-MEASURE sy-vline 
WA_FKK_SUM_OPAA_STR-GRANT_NBR sy-vline 
WA_FKK_SUM_OPAA_STR-BUDGETYEAR sy-vline 
WA_FKK_SUM_OPAA_STR-BUDGET_PD sy-vline      INTO ld_text SEPARATED BY SPACE.

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