ABAP Select data from SAP table IFMFGRCN_FIELDS_CO into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP IFMFGRCN_FIELDS_CO 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_FIELDS_CO. 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_FIELDS_CO 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_FIELDS_CO TYPE STANDARD TABLE OF IFMFGRCN_FIELDS_CO,
      WA_IFMFGRCN_FIELDS_CO TYPE IFMFGRCN_FIELDS_CO,
      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_FIELDS_CO> TYPE IFMFGRCN_FIELDS_CO.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IFMFGRCN_FIELDS_CO
*  INTO TABLE @DATA(IT_IFMFGRCN_FIELDS_CO2).
*--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_FIELDS_CO INDEX 1 INTO DATA(WA_IFMFGRCN_FIELDS_CO2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IFMFGRCN_FIELDS_CO>-LEDNR = 1.
<IFMFGRCN_FIELDS_CO>-BEKNZ = 1.
<IFMFGRCN_FIELDS_CO>-TWAER = 1.
<IFMFGRCN_FIELDS_CO>-VERSN = 1.
<IFMFGRCN_FIELDS_CO>-OBJNR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IFMFGRCN_FIELDS_CO-GJAHR, sy-vline,
  WA_IFMFGRCN_FIELDS_CO-WRTTP, sy-vline,
  WA_IFMFGRCN_FIELDS_CO-KSTAR, sy-vline,
  WA_IFMFGRCN_FIELDS_CO-HRKFT, sy-vline,
  WA_IFMFGRCN_FIELDS_CO-KOSTL, sy-vline,
  WA_IFMFGRCN_FIELDS_CO-KOKRS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IFMFGRCN_FIELDS_CO 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_FIELDS_CO 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_FIELDS_CO INTO WA_IFMFGRCN_FIELDS_CO.


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

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

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

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

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

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

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

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

*Conversion exit ABPSN, internal->external for field POSID
CALL FUNCTION 'CONVERSION_EXIT_ABPSN_OUTPUT'
  EXPORTING
    input =                      WA_IFMFGRCN_FIELDS_CO-POSID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IFMFGRCN_FIELDS_CO-POSID.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit NUMCV, internal->external for field VORNR
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_IFMFGRCN_FIELDS_CO-VORNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IFMFGRCN_FIELDS_CO-VORNR.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit ALPHA, internal->external for field SEGMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IFMFGRCN_FIELDS_CO-SEGMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IFMFGRCN_FIELDS_CO-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_IFMFGRCN_FIELDS_CO_STR, 
LEDNR TYPE STRING,
BEKNZ TYPE STRING,
TWAER TYPE STRING,
VERSN TYPE STRING,
OBJNR TYPE STRING,
GJAHR TYPE STRING,
WRTTP TYPE STRING,
KSTAR TYPE STRING,
HRKFT TYPE STRING,
KOSTL TYPE STRING,
KOKRS TYPE STRING,
AUFNR TYPE STRING,
LSTAR TYPE STRING,
POSID TYPE STRING,
PRZNR TYPE STRING,
KSTRG TYPE STRING,
NPLNR TYPE STRING,
VORNR TYPE STRING,
VBELN TYPE STRING,
POSNR TYPE STRING,
VRGNG TYPE STRING,
FKBER TYPE STRING,
GEBER TYPE STRING,
GRANT_NBR TYPE STRING,
SEGMENT TYPE STRING,
BUKRS TYPE STRING,
BELTP TYPE STRING,
PERIOD TYPE STRING,
BUDGET_PD TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IFMFGRCN_FIELDS_CO_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_FIELDS_CO_STR-LEDNR sy-vline 
WA_IFMFGRCN_FIELDS_CO_STR-BEKNZ sy-vline 
WA_IFMFGRCN_FIELDS_CO_STR-TWAER sy-vline 
WA_IFMFGRCN_FIELDS_CO_STR-VERSN sy-vline 
WA_IFMFGRCN_FIELDS_CO_STR-OBJNR sy-vline 
WA_IFMFGRCN_FIELDS_CO_STR-GJAHR sy-vline 
WA_IFMFGRCN_FIELDS_CO_STR-WRTTP sy-vline 
WA_IFMFGRCN_FIELDS_CO_STR-KSTAR sy-vline 
WA_IFMFGRCN_FIELDS_CO_STR-HRKFT sy-vline 
WA_IFMFGRCN_FIELDS_CO_STR-KOSTL sy-vline 
WA_IFMFGRCN_FIELDS_CO_STR-KOKRS sy-vline 
WA_IFMFGRCN_FIELDS_CO_STR-AUFNR sy-vline 
WA_IFMFGRCN_FIELDS_CO_STR-LSTAR sy-vline 
WA_IFMFGRCN_FIELDS_CO_STR-POSID sy-vline 
WA_IFMFGRCN_FIELDS_CO_STR-PRZNR sy-vline 
WA_IFMFGRCN_FIELDS_CO_STR-KSTRG sy-vline 
WA_IFMFGRCN_FIELDS_CO_STR-NPLNR sy-vline 
WA_IFMFGRCN_FIELDS_CO_STR-VORNR sy-vline 
WA_IFMFGRCN_FIELDS_CO_STR-VBELN sy-vline 
WA_IFMFGRCN_FIELDS_CO_STR-POSNR sy-vline 
WA_IFMFGRCN_FIELDS_CO_STR-VRGNG sy-vline 
WA_IFMFGRCN_FIELDS_CO_STR-FKBER sy-vline 
WA_IFMFGRCN_FIELDS_CO_STR-GEBER sy-vline 
WA_IFMFGRCN_FIELDS_CO_STR-GRANT_NBR sy-vline 
WA_IFMFGRCN_FIELDS_CO_STR-SEGMENT sy-vline 
WA_IFMFGRCN_FIELDS_CO_STR-BUKRS sy-vline 
WA_IFMFGRCN_FIELDS_CO_STR-BELTP sy-vline 
WA_IFMFGRCN_FIELDS_CO_STR-PERIOD sy-vline 
WA_IFMFGRCN_FIELDS_CO_STR-BUDGET_PD sy-vline      INTO ld_text SEPARATED BY SPACE.

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