ABAP Select data from SAP table FKK_BIP_ITEM_CREATE into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FKK_BIP_ITEM_CREATE 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_BIP_ITEM_CREATE. 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_BIP_ITEM_CREATE 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_BIP_ITEM_CREATE TYPE STANDARD TABLE OF FKK_BIP_ITEM_CREATE,
      WA_FKK_BIP_ITEM_CREATE TYPE FKK_BIP_ITEM_CREATE,
      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_BIP_ITEM_CREATE> TYPE FKK_BIP_ITEM_CREATE.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FKK_BIP_ITEM_CREATE
*  INTO TABLE @DATA(IT_FKK_BIP_ITEM_CREATE2).
*--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_BIP_ITEM_CREATE INDEX 1 INTO DATA(WA_FKK_BIP_ITEM_CREATE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FKK_BIP_ITEM_CREATE>-BIPREF = 1.
<FKK_BIP_ITEM_CREATE>-BIPITEMTYPE = 1.
<FKK_BIP_ITEM_CREATE>-BIPITEMTEXT = 1.
<FKK_BIP_ITEM_CREATE>-BIPITEMREF = 1.
<FKK_BIP_ITEM_CREATE>-BETRW = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FKK_BIP_ITEM_CREATE-WAERS, sy-vline,
  WA_FKK_BIP_ITEM_CREATE-TAX_INCLUDED, sy-vline,
  WA_FKK_BIP_ITEM_CREATE-BIP_QUANTITY, sy-vline,
  WA_FKK_BIP_ITEM_CREATE-BIP_QTY_UNIT, sy-vline,
  WA_FKK_BIP_ITEM_CREATE-ERMWSKZ, sy-vline,
  WA_FKK_BIP_ITEM_CREATE-MWSKZ, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FKK_BIP_ITEM_CREATE 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_BIP_ITEM_CREATE 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_BIP_ITEM_CREATE INTO WA_FKK_BIP_ITEM_CREATE.


*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 CUNIT, internal->external for field BIP_QTY_UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_FKK_BIP_ITEM_CREATE-BIP_QTY_UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKK_BIP_ITEM_CREATE-BIP_QTY_UNIT.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field SEGMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKK_BIP_ITEM_CREATE-SEGMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKK_BIP_ITEM_CREATE-SEGMENT.
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_BIP_ITEM_CREATE_STR, 
BIPREF TYPE STRING,
BIPITEMTYPE TYPE STRING,
BIPITEMTEXT TYPE STRING,
BIPITEMREF TYPE STRING,
BETRW TYPE STRING,
WAERS TYPE STRING,
TAX_INCLUDED TYPE STRING,
BIP_QUANTITY TYPE STRING,
BIP_QTY_UNIT TYPE STRING,
ERMWSKZ TYPE STRING,
MWSKZ TYPE STRING,
VALID_FROM TYPE STRING,
VALID_TO TYPE STRING,
CYCLE TYPE STRING,
VTREF TYPE STRING,
VTPOS TYPE STRING,
VTPID TYPE STRING,
SUBAP TYPE STRING,
SPART TYPE STRING,
BUKRS TYPE STRING,
GSBER TYPE STRING,
SEGMENT TYPE STRING,
HVORG TYPE STRING,
TVORG TYPE STRING,
SERVICE_TYPE TYPE STRING,
KOFIZ TYPE STRING,
OFFSET_ACTION TYPE STRING,
OFFSET_CAT TYPE STRING,
OFFSET_PROC TYPE STRING,
OFFSET_REFID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FKK_BIP_ITEM_CREATE_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_BIP_ITEM_CREATE_STR-BIPREF sy-vline 
WA_FKK_BIP_ITEM_CREATE_STR-BIPITEMTYPE sy-vline 
WA_FKK_BIP_ITEM_CREATE_STR-BIPITEMTEXT sy-vline 
WA_FKK_BIP_ITEM_CREATE_STR-BIPITEMREF sy-vline 
WA_FKK_BIP_ITEM_CREATE_STR-BETRW sy-vline 
WA_FKK_BIP_ITEM_CREATE_STR-WAERS sy-vline 
WA_FKK_BIP_ITEM_CREATE_STR-TAX_INCLUDED sy-vline 
WA_FKK_BIP_ITEM_CREATE_STR-BIP_QUANTITY sy-vline 
WA_FKK_BIP_ITEM_CREATE_STR-BIP_QTY_UNIT sy-vline 
WA_FKK_BIP_ITEM_CREATE_STR-ERMWSKZ sy-vline 
WA_FKK_BIP_ITEM_CREATE_STR-MWSKZ sy-vline 
WA_FKK_BIP_ITEM_CREATE_STR-VALID_FROM sy-vline 
WA_FKK_BIP_ITEM_CREATE_STR-VALID_TO sy-vline 
WA_FKK_BIP_ITEM_CREATE_STR-CYCLE sy-vline 
WA_FKK_BIP_ITEM_CREATE_STR-VTREF sy-vline 
WA_FKK_BIP_ITEM_CREATE_STR-VTPOS sy-vline 
WA_FKK_BIP_ITEM_CREATE_STR-VTPID sy-vline 
WA_FKK_BIP_ITEM_CREATE_STR-SUBAP sy-vline 
WA_FKK_BIP_ITEM_CREATE_STR-SPART sy-vline 
WA_FKK_BIP_ITEM_CREATE_STR-BUKRS sy-vline 
WA_FKK_BIP_ITEM_CREATE_STR-GSBER sy-vline 
WA_FKK_BIP_ITEM_CREATE_STR-SEGMENT sy-vline 
WA_FKK_BIP_ITEM_CREATE_STR-HVORG sy-vline 
WA_FKK_BIP_ITEM_CREATE_STR-TVORG sy-vline 
WA_FKK_BIP_ITEM_CREATE_STR-SERVICE_TYPE sy-vline 
WA_FKK_BIP_ITEM_CREATE_STR-KOFIZ sy-vline 
WA_FKK_BIP_ITEM_CREATE_STR-OFFSET_ACTION sy-vline 
WA_FKK_BIP_ITEM_CREATE_STR-OFFSET_CAT sy-vline 
WA_FKK_BIP_ITEM_CREATE_STR-OFFSET_PROC sy-vline 
WA_FKK_BIP_ITEM_CREATE_STR-OFFSET_REFID sy-vline      INTO ld_text SEPARATED BY SPACE.

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