ABAP Select data from SAP table DFKKEPRT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM DFKKEPRT
*  INTO TABLE @DATA(IT_DFKKEPRT2).
*--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_DFKKEPRT INDEX 1 INTO DATA(WA_DFKKEPRT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<DFKKEPRT>-MANDT = 1.
<DFKKEPRT>-ERRID = 1.
<DFKKEPRT>-OPBEL = 1.
<DFKKEPRT>-OPUPW = 1.
<DFKKEPRT>-OPUPK = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_DFKKEPRT-OPUPZ, sy-vline,
  WA_DFKKEPRT-BUKRS, sy-vline,
  WA_DFKKEPRT-LDGRP, sy-vline,
  WA_DFKKEPRT-ERSTA, sy-vline,
  WA_DFKKEPRT-BUPLA, sy-vline,
  WA_DFKKEPRT-CPUDT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_DFKKEPRT 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_DFKKEPRT 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_DFKKEPRT INTO WA_DFKKEPRT.


*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_DFKKEPRT-OPBEL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DFKKEPRT-OPBEL.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

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

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

*Conversion exit GJAHR, internal->external for field BUDGETYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_DFKKEPRT-BUDGETYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DFKKEPRT-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_DFKKEPRT_STR, 
MANDT TYPE STRING,
ERRID TYPE STRING,
OPBEL TYPE STRING,
OPUPW TYPE STRING,
OPUPK TYPE STRING,
OPUPZ TYPE STRING,
BUKRS TYPE STRING,
LDGRP TYPE STRING,
ERSTA TYPE STRING,
BUPLA TYPE STRING,
CPUDT TYPE STRING,
BUDAT_OP TYPE STRING,
BUDAT_KO TYPE STRING,
BLDAT_OP TYPE STRING,
BLDAT_KO TYPE STRING,
GPART TYPE STRING,
VKONT TYPE STRING,
ABWBL TYPE STRING,
ABWTP TYPE STRING,
HKONT TYPE STRING,
STAKZ TYPE STRING,
BETRH TYPE STRING,
HWAER TYPE STRING,
BETRW TYPE STRING,
WAERS TYPE STRING,
BETR2 TYPE STRING,
BETR3 TYPE STRING,
SBETH TYPE STRING,
SBETW TYPE STRING,
SBET2 TYPE STRING,
SBET3 TYPE STRING,
SBASW TYPE STRING,
SBASH TYPE STRING,
ADATE TYPE STRING,
ATIME TYPE STRING,
AUSER TYPE STRING,
CDATE TYPE STRING,
CTIME TYPE STRING,
CUSER TYPE STRING,
HERKF TYPE STRING,
AGINF TYPE STRING,
STBEL TYPE STRING,
STORB TYPE STRING,
FIKEY TYPE STRING,
AUGST TYPE STRING,
AUGRD TYPE STRING,
AUGBL TYPE STRING,
CPUDT_CL TYPE STRING,
BUDAT_CL TYPE STRING,
AUGBD TYPE STRING,
AUGBT TYPE STRING,
AUGWA TYPE STRING,
SCTAX TYPE STRING,
STTAX TYPE STRING,
PSWBT TYPE STRING,
PSWSL TYPE STRING,
VERSN TYPE STRING,
TATYP TYPE STRING,
ORIGFIKRS TYPE STRING,
FMTYP TYPE STRING,
FIPEX TYPE STRING,
FISTL TYPE STRING,
BUDGETYEAR TYPE STRING,
KTOSL TYPE STRING,
NDTAX TYPE STRING,
NDTXH TYPE STRING,
XNDTX TYPE STRING,
NOTE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_DFKKEPRT_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_DFKKEPRT_STR-MANDT sy-vline 
WA_DFKKEPRT_STR-ERRID sy-vline 
WA_DFKKEPRT_STR-OPBEL sy-vline 
WA_DFKKEPRT_STR-OPUPW sy-vline 
WA_DFKKEPRT_STR-OPUPK sy-vline 
WA_DFKKEPRT_STR-OPUPZ sy-vline 
WA_DFKKEPRT_STR-BUKRS sy-vline 
WA_DFKKEPRT_STR-LDGRP sy-vline 
WA_DFKKEPRT_STR-ERSTA sy-vline 
WA_DFKKEPRT_STR-BUPLA sy-vline 
WA_DFKKEPRT_STR-CPUDT sy-vline 
WA_DFKKEPRT_STR-BUDAT_OP sy-vline 
WA_DFKKEPRT_STR-BUDAT_KO sy-vline 
WA_DFKKEPRT_STR-BLDAT_OP sy-vline 
WA_DFKKEPRT_STR-BLDAT_KO sy-vline 
WA_DFKKEPRT_STR-GPART sy-vline 
WA_DFKKEPRT_STR-VKONT sy-vline 
WA_DFKKEPRT_STR-ABWBL sy-vline 
WA_DFKKEPRT_STR-ABWTP sy-vline 
WA_DFKKEPRT_STR-HKONT sy-vline 
WA_DFKKEPRT_STR-STAKZ sy-vline 
WA_DFKKEPRT_STR-BETRH sy-vline 
WA_DFKKEPRT_STR-HWAER sy-vline 
WA_DFKKEPRT_STR-BETRW sy-vline 
WA_DFKKEPRT_STR-WAERS sy-vline 
WA_DFKKEPRT_STR-BETR2 sy-vline 
WA_DFKKEPRT_STR-BETR3 sy-vline 
WA_DFKKEPRT_STR-SBETH sy-vline 
WA_DFKKEPRT_STR-SBETW sy-vline 
WA_DFKKEPRT_STR-SBET2 sy-vline 
WA_DFKKEPRT_STR-SBET3 sy-vline 
WA_DFKKEPRT_STR-SBASW sy-vline 
WA_DFKKEPRT_STR-SBASH sy-vline 
WA_DFKKEPRT_STR-ADATE sy-vline 
WA_DFKKEPRT_STR-ATIME sy-vline 
WA_DFKKEPRT_STR-AUSER sy-vline 
WA_DFKKEPRT_STR-CDATE sy-vline 
WA_DFKKEPRT_STR-CTIME sy-vline 
WA_DFKKEPRT_STR-CUSER sy-vline 
WA_DFKKEPRT_STR-HERKF sy-vline 
WA_DFKKEPRT_STR-AGINF sy-vline 
WA_DFKKEPRT_STR-STBEL sy-vline 
WA_DFKKEPRT_STR-STORB sy-vline 
WA_DFKKEPRT_STR-FIKEY sy-vline 
WA_DFKKEPRT_STR-AUGST sy-vline 
WA_DFKKEPRT_STR-AUGRD sy-vline 
WA_DFKKEPRT_STR-AUGBL sy-vline 
WA_DFKKEPRT_STR-CPUDT_CL sy-vline 
WA_DFKKEPRT_STR-BUDAT_CL sy-vline 
WA_DFKKEPRT_STR-AUGBD sy-vline 
WA_DFKKEPRT_STR-AUGBT sy-vline 
WA_DFKKEPRT_STR-AUGWA sy-vline 
WA_DFKKEPRT_STR-SCTAX sy-vline 
WA_DFKKEPRT_STR-STTAX sy-vline 
WA_DFKKEPRT_STR-PSWBT sy-vline 
WA_DFKKEPRT_STR-PSWSL sy-vline 
WA_DFKKEPRT_STR-VERSN sy-vline 
WA_DFKKEPRT_STR-TATYP sy-vline 
WA_DFKKEPRT_STR-ORIGFIKRS sy-vline 
WA_DFKKEPRT_STR-FMTYP sy-vline 
WA_DFKKEPRT_STR-FIPEX sy-vline 
WA_DFKKEPRT_STR-FISTL sy-vline 
WA_DFKKEPRT_STR-BUDGETYEAR sy-vline 
WA_DFKKEPRT_STR-KTOSL sy-vline 
WA_DFKKEPRT_STR-NDTAX sy-vline 
WA_DFKKEPRT_STR-NDTXH sy-vline 
WA_DFKKEPRT_STR-XNDTX sy-vline 
WA_DFKKEPRT_STR-NOTE sy-vline      INTO ld_text SEPARATED BY SPACE.

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