ABAP Select data from SAP table IFMFGRCN_ITEM_GL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IFMFGRCN_ITEM_GL
*  INTO TABLE @DATA(IT_IFMFGRCN_ITEM_GL2).
*--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_IFMFGRCN_ITEM_GL INDEX 1 INTO DATA(WA_IFMFGRCN_ITEM_GL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IFMFGRCN_ITEM_GL>-AWTYP = 1.
<IFMFGRCN_ITEM_GL>-AWKEY = 1.
<IFMFGRCN_ITEM_GL>-AWSYS = 1.
<IFMFGRCN_ITEM_GL>-DOCNR = 1.
<IFMFGRCN_ITEM_GL>-DOCLN = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IFMFGRCN_ITEM_GL-CREATEDATE, sy-vline,
  WA_IFMFGRCN_ITEM_GL-CREATETIME, sy-vline,
  WA_IFMFGRCN_ITEM_GL-CURRENCY, sy-vline,
  WA_IFMFGRCN_ITEM_GL-AMOUNT, sy-vline,
  WA_IFMFGRCN_ITEM_GL-MATCH_AWTYP, sy-vline,
  WA_IFMFGRCN_ITEM_GL-MATCH_AWKEY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IFMFGRCN_ITEM_GL 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_IFMFGRCN_ITEM_GL 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_IFMFGRCN_ITEM_GL INTO WA_IFMFGRCN_ITEM_GL.


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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

*Conversion exit FMCIS, internal->external for field FIPOS
CALL FUNCTION 'CONVERSION_EXIT_FMCIS_OUTPUT'
  EXPORTING
    input =                      WA_IFMFGRCN_ITEM_GL-FIPOS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IFMFGRCN_ITEM_GL-FIPOS.
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_IFMFGRCN_ITEM_GL_STR, 
AWTYP TYPE STRING,
AWKEY TYPE STRING,
AWSYS TYPE STRING,
DOCNR TYPE STRING,
DOCLN TYPE STRING,
CREATEDATE TYPE STRING,
CREATETIME TYPE STRING,
CURRENCY TYPE STRING,
AMOUNT TYPE STRING,
MATCH_AWTYP TYPE STRING,
MATCH_AWKEY TYPE STRING,
MATCH_AWSYS TYPE STRING,
MATCH_DOCNR TYPE STRING,
MATCH_DOCLN TYPE STRING,
DOC_TYPE TYPE STRING,
FISC_YEAR TYPE STRING,
COMP_CODE TYPE STRING,
POST_DATE TYPE STRING,
MATCH_FLAG TYPE STRING,
HKONT TYPE STRING,
AUGDT TYPE STRING,
AUGBL TYPE STRING,
ZUONR TYPE STRING,
GJAHR TYPE STRING,
BELNR TYPE STRING,
BUZEI TYPE STRING,
BUDAT TYPE STRING,
BLDAT TYPE STRING,
WAERS TYPE STRING,
XBLNR TYPE STRING,
BLART TYPE STRING,
MONAT TYPE STRING,
BSCHL TYPE STRING,
SHKZG TYPE STRING,
GSBER TYPE STRING,
AUFNR TYPE STRING,
WERKS TYPE STRING,
KOSTL TYPE STRING,
VBUND TYPE STRING,
PROJK TYPE STRING,
PRCTR TYPE STRING,
XSTOV TYPE STRING,
GRANT_NBR TYPE STRING,
FKBER TYPE STRING,
FIPOS TYPE STRING,
FISTL TYPE STRING,
GEBER TYPE STRING,
BUDGET_PERIOD TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IFMFGRCN_ITEM_GL_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_IFMFGRCN_ITEM_GL_STR-AWTYP sy-vline 
WA_IFMFGRCN_ITEM_GL_STR-AWKEY sy-vline 
WA_IFMFGRCN_ITEM_GL_STR-AWSYS sy-vline 
WA_IFMFGRCN_ITEM_GL_STR-DOCNR sy-vline 
WA_IFMFGRCN_ITEM_GL_STR-DOCLN sy-vline 
WA_IFMFGRCN_ITEM_GL_STR-CREATEDATE sy-vline 
WA_IFMFGRCN_ITEM_GL_STR-CREATETIME sy-vline 
WA_IFMFGRCN_ITEM_GL_STR-CURRENCY sy-vline 
WA_IFMFGRCN_ITEM_GL_STR-AMOUNT sy-vline 
WA_IFMFGRCN_ITEM_GL_STR-MATCH_AWTYP sy-vline 
WA_IFMFGRCN_ITEM_GL_STR-MATCH_AWKEY sy-vline 
WA_IFMFGRCN_ITEM_GL_STR-MATCH_AWSYS sy-vline 
WA_IFMFGRCN_ITEM_GL_STR-MATCH_DOCNR sy-vline 
WA_IFMFGRCN_ITEM_GL_STR-MATCH_DOCLN sy-vline 
WA_IFMFGRCN_ITEM_GL_STR-DOC_TYPE sy-vline 
WA_IFMFGRCN_ITEM_GL_STR-FISC_YEAR sy-vline 
WA_IFMFGRCN_ITEM_GL_STR-COMP_CODE sy-vline 
WA_IFMFGRCN_ITEM_GL_STR-POST_DATE sy-vline 
WA_IFMFGRCN_ITEM_GL_STR-MATCH_FLAG sy-vline 
WA_IFMFGRCN_ITEM_GL_STR-HKONT sy-vline 
WA_IFMFGRCN_ITEM_GL_STR-AUGDT sy-vline 
WA_IFMFGRCN_ITEM_GL_STR-AUGBL sy-vline 
WA_IFMFGRCN_ITEM_GL_STR-ZUONR sy-vline 
WA_IFMFGRCN_ITEM_GL_STR-GJAHR sy-vline 
WA_IFMFGRCN_ITEM_GL_STR-BELNR sy-vline 
WA_IFMFGRCN_ITEM_GL_STR-BUZEI sy-vline 
WA_IFMFGRCN_ITEM_GL_STR-BUDAT sy-vline 
WA_IFMFGRCN_ITEM_GL_STR-BLDAT sy-vline 
WA_IFMFGRCN_ITEM_GL_STR-WAERS sy-vline 
WA_IFMFGRCN_ITEM_GL_STR-XBLNR sy-vline 
WA_IFMFGRCN_ITEM_GL_STR-BLART sy-vline 
WA_IFMFGRCN_ITEM_GL_STR-MONAT sy-vline 
WA_IFMFGRCN_ITEM_GL_STR-BSCHL sy-vline 
WA_IFMFGRCN_ITEM_GL_STR-SHKZG sy-vline 
WA_IFMFGRCN_ITEM_GL_STR-GSBER sy-vline 
WA_IFMFGRCN_ITEM_GL_STR-AUFNR sy-vline 
WA_IFMFGRCN_ITEM_GL_STR-WERKS sy-vline 
WA_IFMFGRCN_ITEM_GL_STR-KOSTL sy-vline 
WA_IFMFGRCN_ITEM_GL_STR-VBUND sy-vline 
WA_IFMFGRCN_ITEM_GL_STR-PROJK sy-vline 
WA_IFMFGRCN_ITEM_GL_STR-PRCTR sy-vline 
WA_IFMFGRCN_ITEM_GL_STR-XSTOV sy-vline 
WA_IFMFGRCN_ITEM_GL_STR-GRANT_NBR sy-vline 
WA_IFMFGRCN_ITEM_GL_STR-FKBER sy-vline 
WA_IFMFGRCN_ITEM_GL_STR-FIPOS sy-vline 
WA_IFMFGRCN_ITEM_GL_STR-FISTL sy-vline 
WA_IFMFGRCN_ITEM_GL_STR-GEBER sy-vline 
WA_IFMFGRCN_ITEM_GL_STR-BUDGET_PERIOD sy-vline      INTO ld_text SEPARATED BY SPACE.

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