ABAP Select data from SAP table FKK100SUM into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FKK100SUM 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 FKK100SUM. 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 FKK100SUM 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_FKK100SUM TYPE STANDARD TABLE OF FKK100SUM,
      WA_FKK100SUM TYPE FKK100SUM,
      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: <FKK100SUM> TYPE FKK100SUM.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_FKK100SUM.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM FKK100SUM
  INTO TABLE IT_FKK100SUM.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FKK100SUM
*  INTO TABLE @DATA(IT_FKK100SUM2).
*--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_FKK100SUM INDEX 1 INTO DATA(WA_FKK100SUM2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_FKK100SUM ASSIGNING <FKK100SUM>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FKK100SUM>-GPART = 1.
<FKK100SUM>-VKONT = 1.
<FKK100SUM>-BUKRS = 1.
<FKK100SUM>-CURTP = 1.
<FKK100SUM>-HWTYP = 1.

ENDLOOP.

LOOP AT IT_FKK100SUM INTO WA_FKK100SUM.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FKK100SUM-WAERS, sy-vline,
  WA_FKK100SUM-HKONT, sy-vline,
  WA_FKK100SUM-GSBER, sy-vline,
  WA_FKK100SUM-SEGMENT, sy-vline,
  WA_FKK100SUM-PRCTR, sy-vline,
  WA_FKK100SUM-LDGRP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FKK100SUM 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_FKK100SUM 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_FKK100SUM INTO WA_FKK100SUM.


*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 GPART
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKK100SUM-GPART
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKK100SUM-GPART.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field VKONT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKK100SUM-VKONT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKK100SUM-VKONT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field HKONT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKK100SUM-HKONT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKK100SUM-HKONT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SEGMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKK100SUM-SEGMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKK100SUM-SEGMENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PRCTR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKK100SUM-PRCTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKK100SUM-PRCTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EXCRT, internal->external for field KURSF_S
CALL FUNCTION 'CONVERSION_EXIT_EXCRT_OUTPUT'
  EXPORTING
    input =                      WA_FKK100SUM-KURSF_S
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKK100SUM-KURSF_S.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EXCRT, internal->external for field KURSB_S
CALL FUNCTION 'CONVERSION_EXIT_EXCRT_OUTPUT'
  EXPORTING
    input =                      WA_FKK100SUM-KURSB_S
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKK100SUM-KURSB_S.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SEGMT_MIG_GUV
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKK100SUM-SEGMT_MIG_GUV
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKK100SUM-SEGMT_MIG_GUV.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PRCTR_MIG_GUV
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKK100SUM-PRCTR_MIG_GUV
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKK100SUM-PRCTR_MIG_GUV.
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_FKK100SUM_STR, 
GPART TYPE STRING,
VKONT TYPE STRING,
BUKRS TYPE STRING,
CURTP TYPE STRING,
HWTYP TYPE STRING,
WAERS TYPE STRING,
HKONT TYPE STRING,
GSBER TYPE STRING,
SEGMENT TYPE STRING,
PRCTR TYPE STRING,
LDGRP TYPE STRING,
BETRW TYPE STRING,
BETRH TYPE STRING,
BWDIF TYPE STRING,
HWAER TYPE STRING,
KURSF_S TYPE STRING,
KURSB_S TYPE STRING,
BETRW_VA TYPE STRING,
BETRH_VA TYPE STRING,
BWDIF_VA TYPE STRING,
GSBER_MIG_GUV TYPE STRING,
SEGMT_MIG_GUV TYPE STRING,
PRCTR_MIG_GUV TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FKK100SUM_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_FKK100SUM_STR-GPART sy-vline 
WA_FKK100SUM_STR-VKONT sy-vline 
WA_FKK100SUM_STR-BUKRS sy-vline 
WA_FKK100SUM_STR-CURTP sy-vline 
WA_FKK100SUM_STR-HWTYP sy-vline 
WA_FKK100SUM_STR-WAERS sy-vline 
WA_FKK100SUM_STR-HKONT sy-vline 
WA_FKK100SUM_STR-GSBER sy-vline 
WA_FKK100SUM_STR-SEGMENT sy-vline 
WA_FKK100SUM_STR-PRCTR sy-vline 
WA_FKK100SUM_STR-LDGRP sy-vline 
WA_FKK100SUM_STR-BETRW sy-vline 
WA_FKK100SUM_STR-BETRH sy-vline 
WA_FKK100SUM_STR-BWDIF sy-vline 
WA_FKK100SUM_STR-HWAER sy-vline 
WA_FKK100SUM_STR-KURSF_S sy-vline 
WA_FKK100SUM_STR-KURSB_S sy-vline 
WA_FKK100SUM_STR-BETRW_VA sy-vline 
WA_FKK100SUM_STR-BETRH_VA sy-vline 
WA_FKK100SUM_STR-BWDIF_VA sy-vline 
WA_FKK100SUM_STR-GSBER_MIG_GUV sy-vline 
WA_FKK100SUM_STR-SEGMT_MIG_GUV sy-vline 
WA_FKK100SUM_STR-PRCTR_MIG_GUV sy-vline      INTO ld_text SEPARATED BY SPACE.

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