ABAP Select data from SAP table FKKEPOSS0 into internal table

Get Example source ABAP code based on a different SAP table
  Get ABAP code

Below is a number of ABAP code snippets to demonstrate how to select data from SAP FKKEPOSS0 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 FKKEPOSS0. 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 FKKEPOSS0 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_FKKEPOSS0 TYPE STANDARD TABLE OF FKKEPOSS0,
      WA_FKKEPOSS0 TYPE FKKEPOSS0,
      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: <FKKEPOSS0> TYPE FKKEPOSS0.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_FKKEPOSS0.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM FKKEPOSS0
  INTO TABLE IT_FKKEPOSS0.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FKKEPOSS0
*  INTO TABLE @DATA(IT_FKKEPOSS02).
*--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_FKKEPOSS0 INDEX 1 INTO DATA(WA_FKKEPOSS02).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_FKKEPOSS0 ASSIGNING <FKKEPOSS0>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FKKEPOSS0>-SELNR = 1.
<FKKEPOSS0>-GPART_O = 1.
<FKKEPOSS0>-VKONT_O = 1.
<FKKEPOSS0>-VTREF_O = 1.
<FKKEPOSS0>-BUKRS_O = 1.

ENDLOOP.

LOOP AT IT_FKKEPOSS0 INTO WA_FKKEPOSS0.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FKKEPOSS0-SUBAP_O, sy-vline,
  WA_FKKEPOSS0-GPART, sy-vline,
  WA_FKKEPOSS0-VKONT, sy-vline,
  WA_FKKEPOSS0-VTREF, sy-vline,
  WA_FKKEPOSS0-BUKRS, sy-vline,
  WA_FKKEPOSS0-SUBAP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FKKEPOSS0 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_FKKEPOSS0 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_FKKEPOSS0 INTO WA_FKKEPOSS0.


*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_O
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKKEPOSS0-GPART_O
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKKEPOSS0-GPART_O.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field VKONT_O
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKKEPOSS0-VKONT_O
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKKEPOSS0-VKONT_O.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field VTREF_O
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKKEPOSS0-VTREF_O
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKKEPOSS0-VTREF_O.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field GPART
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKKEPOSS0-GPART
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKKEPOSS0-GPART.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field VKONT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKKEPOSS0-VKONT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKKEPOSS0-VKONT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field VTREF
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKKEPOSS0-VTREF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKKEPOSS0-VTREF.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field XBLNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKKEPOSS0-XBLNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKKEPOSS0-XBLNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BROKR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKKEPOSS0-BROKR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKKEPOSS0-BROKR.
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_FKKEPOSS0_STR, 
SELNR TYPE STRING,
GPART_O TYPE STRING,
VKONT_O TYPE STRING,
VTREF_O TYPE STRING,
BUKRS_O TYPE STRING,
SUBAP_O TYPE STRING,
GPART TYPE STRING,
VKONT TYPE STRING,
VTREF TYPE STRING,
BUKRS TYPE STRING,
SUBAP TYPE STRING,
XBLNR TYPE STRING,
OPORD TYPE STRING,
BROKR TYPE STRING,
XALTBROK TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FKKEPOSS0_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_FKKEPOSS0_STR-SELNR sy-vline 
WA_FKKEPOSS0_STR-GPART_O sy-vline 
WA_FKKEPOSS0_STR-VKONT_O sy-vline 
WA_FKKEPOSS0_STR-VTREF_O sy-vline 
WA_FKKEPOSS0_STR-BUKRS_O sy-vline 
WA_FKKEPOSS0_STR-SUBAP_O sy-vline 
WA_FKKEPOSS0_STR-GPART sy-vline 
WA_FKKEPOSS0_STR-VKONT sy-vline 
WA_FKKEPOSS0_STR-VTREF sy-vline 
WA_FKKEPOSS0_STR-BUKRS sy-vline 
WA_FKKEPOSS0_STR-SUBAP sy-vline 
WA_FKKEPOSS0_STR-XBLNR sy-vline 
WA_FKKEPOSS0_STR-OPORD sy-vline 
WA_FKKEPOSS0_STR-BROKR sy-vline 
WA_FKKEPOSS0_STR-XALTBROK sy-vline      INTO ld_text SEPARATED BY SPACE.

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