ABAP Select data from SAP table IFMEUF_DOC_SELECT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IFMEUF_DOC_SELECT
*  INTO TABLE @DATA(IT_IFMEUF_DOC_SELECT2).
*--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_IFMEUF_DOC_SELECT INDEX 1 INTO DATA(WA_IFMEUF_DOC_SELECT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IFMEUF_DOC_SELECT>-BUKRS = 1.
<IFMEUF_DOC_SELECT>-BELNR = 1.
<IFMEUF_DOC_SELECT>-GJAHR = 1.
<IFMEUF_DOC_SELECT>-BUZEI = 1.
<IFMEUF_DOC_SELECT>-BUZID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IFMEUF_DOC_SELECT-KOART, sy-vline,
  WA_IFMEUF_DOC_SELECT-SHKZG, sy-vline,
  WA_IFMEUF_DOC_SELECT-MWSKZ, sy-vline,
  WA_IFMEUF_DOC_SELECT-QSSKZ, sy-vline,
  WA_IFMEUF_DOC_SELECT-WRBTR, sy-vline,
  WA_IFMEUF_DOC_SELECT-DMBTR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IFMEUF_DOC_SELECT 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_IFMEUF_DOC_SELECT 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_IFMEUF_DOC_SELECT INTO WA_IFMEUF_DOC_SELECT.


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

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

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

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

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

*Conversion exit FMCIS, internal->external for field FIPOS
CALL FUNCTION 'CONVERSION_EXIT_FMCIS_OUTPUT'
  EXPORTING
    input =                      WA_IFMEUF_DOC_SELECT-FIPOS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IFMEUF_DOC_SELECT-FIPOS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ABPSP, internal->external for field PROJK
CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT'
  EXPORTING
    input =                      WA_IFMEUF_DOC_SELECT-PROJK
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IFMEUF_DOC_SELECT-PROJK.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field KOSTL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IFMEUF_DOC_SELECT-KOSTL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IFMEUF_DOC_SELECT-KOSTL.
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_IFMEUF_DOC_SELECT_STR, 
BUKRS TYPE STRING,
BELNR TYPE STRING,
GJAHR TYPE STRING,
BUZEI TYPE STRING,
BUZID TYPE STRING,
KOART TYPE STRING,
SHKZG TYPE STRING,
MWSKZ TYPE STRING,
QSSKZ TYPE STRING,
WRBTR TYPE STRING,
DMBTR TYPE STRING,
DMBE2 TYPE STRING,
DMBE3 TYPE STRING,
KOKRS TYPE STRING,
AUFNR TYPE STRING,
SAKNR TYPE STRING,
HKONT TYPE STRING,
FIPOS TYPE STRING,
KSTRG TYPE STRING,
PROJK TYPE STRING,
FISTL TYPE STRING,
GEBER TYPE STRING,
GEBER_LONG TYPE STRING,
GRANT_NBR TYPE STRING,
FKBER_LONG TYPE STRING,
MEASURE TYPE STRING,
KOSTL TYPE STRING,
GSBER TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IFMEUF_DOC_SELECT_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_IFMEUF_DOC_SELECT_STR-BUKRS sy-vline 
WA_IFMEUF_DOC_SELECT_STR-BELNR sy-vline 
WA_IFMEUF_DOC_SELECT_STR-GJAHR sy-vline 
WA_IFMEUF_DOC_SELECT_STR-BUZEI sy-vline 
WA_IFMEUF_DOC_SELECT_STR-BUZID sy-vline 
WA_IFMEUF_DOC_SELECT_STR-KOART sy-vline 
WA_IFMEUF_DOC_SELECT_STR-SHKZG sy-vline 
WA_IFMEUF_DOC_SELECT_STR-MWSKZ sy-vline 
WA_IFMEUF_DOC_SELECT_STR-QSSKZ sy-vline 
WA_IFMEUF_DOC_SELECT_STR-WRBTR sy-vline 
WA_IFMEUF_DOC_SELECT_STR-DMBTR sy-vline 
WA_IFMEUF_DOC_SELECT_STR-DMBE2 sy-vline 
WA_IFMEUF_DOC_SELECT_STR-DMBE3 sy-vline 
WA_IFMEUF_DOC_SELECT_STR-KOKRS sy-vline 
WA_IFMEUF_DOC_SELECT_STR-AUFNR sy-vline 
WA_IFMEUF_DOC_SELECT_STR-SAKNR sy-vline 
WA_IFMEUF_DOC_SELECT_STR-HKONT sy-vline 
WA_IFMEUF_DOC_SELECT_STR-FIPOS sy-vline 
WA_IFMEUF_DOC_SELECT_STR-KSTRG sy-vline 
WA_IFMEUF_DOC_SELECT_STR-PROJK sy-vline 
WA_IFMEUF_DOC_SELECT_STR-FISTL sy-vline 
WA_IFMEUF_DOC_SELECT_STR-GEBER sy-vline 
WA_IFMEUF_DOC_SELECT_STR-GEBER_LONG sy-vline 
WA_IFMEUF_DOC_SELECT_STR-GRANT_NBR sy-vline 
WA_IFMEUF_DOC_SELECT_STR-FKBER_LONG sy-vline 
WA_IFMEUF_DOC_SELECT_STR-MEASURE sy-vline 
WA_IFMEUF_DOC_SELECT_STR-KOSTL sy-vline 
WA_IFMEUF_DOC_SELECT_STR-GSBER sy-vline      INTO ld_text SEPARATED BY SPACE.

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