ABAP Select data from SAP table FMFG4F0 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FMFG4F0 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 FMFG4F0. 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 FMFG4F0 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_FMFG4F0 TYPE STANDARD TABLE OF FMFG4F0,
      WA_FMFG4F0 TYPE FMFG4F0,
      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: <FMFG4F0> TYPE FMFG4F0.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_FMFG4F0.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM FMFG4F0
  INTO TABLE IT_FMFG4F0.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FMFG4F0
*  INTO TABLE @DATA(IT_FMFG4F02).
*--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_FMFG4F0 INDEX 1 INTO DATA(WA_FMFG4F02).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_FMFG4F0 ASSIGNING <FMFG4F0>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FMFG4F0>-RCLNT = 1.
<FMFG4F0>-RLDNR = 1.
<FMFG4F0>-RRCTY = 1.
<FMFG4F0>-RVERS = 1.
<FMFG4F0>-RYEAR = 1.

ENDLOOP.

LOOP AT IT_FMFG4F0 INTO WA_FMFG4F0.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FMFG4F0-RTCUR, sy-vline,
  WA_FMFG4F0-DRCRK, sy-vline,
  WA_FMFG4F0-RPMAX, sy-vline,
  WA_FMFG4F0-RBUKRS, sy-vline,
  WA_FMFG4F0-RACCT, sy-vline,
  WA_FMFG4F0-RBUSA, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FMFG4F0 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_FMFG4F0 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_FMFG4F0 INTO WA_FMFG4F0.


*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 RLDNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FMFG4F0-RLDNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMFG4F0-RLDNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RVERS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FMFG4F0-RVERS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMFG4F0-RVERS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field RYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_FMFG4F0-RYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMFG4F0-RYEAR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RACCT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FMFG4F0-RACCT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMFG4F0-RACCT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RPRCTR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FMFG4F0-RPRCTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMFG4F0-RPRCTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RCNTR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FMFG4F0-RCNTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMFG4F0-RCNTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ABPSP, internal->external for field RPROJK
CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT'
  EXPORTING
    input =                      WA_FMFG4F0-RPROJK
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMFG4F0-RPROJK.
WRITE:/ 'New Value:', ld_input.

*Conversion exit FMCIL, internal->external for field RFIPEX
CALL FUNCTION 'CONVERSION_EXIT_FMCIL_OUTPUT'
  EXPORTING
    input =                      WA_FMFG4F0-RFIPEX
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMFG4F0-RFIPEX.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RORDNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FMFG4F0-RORDNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMFG4F0-RORDNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RVBUND
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FMFG4F0-RVBUND
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMFG4F0-RVBUND.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field BEGPER
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_FMFG4F0-BEGPER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMFG4F0-BEGPER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field ENDPER
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_FMFG4F0-ENDPER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMFG4F0-ENDPER.
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_FMFG4F0_STR, 
RCLNT TYPE STRING,
RLDNR TYPE STRING,
RRCTY TYPE STRING,
RVERS TYPE STRING,
RYEAR TYPE STRING,
RTCUR TYPE STRING,
DRCRK TYPE STRING,
RPMAX TYPE STRING,
RBUKRS TYPE STRING,
RACCT TYPE STRING,
RBUSA TYPE STRING,
RPRCTR TYPE STRING,
RCNTR TYPE STRING,
RPROJK TYPE STRING,
RFAREA TYPE STRING,
RFUND TYPE STRING,
RFIPEX TYPE STRING,
RFISTL TYPE STRING,
RORDNR TYPE STRING,
RVBUND TYPE STRING,
RAGNCY_LCTN_CODE TYPE STRING,
RFINUSE TYPE STRING,
FMFG_SUBKEY_9 TYPE STRING,
BLSTATUS_9 TYPE STRING,
TSLVT TYPE STRING,
TSL01 TYPE STRING,
TSL02 TYPE STRING,
TSL03 TYPE STRING,
TSL04 TYPE STRING,
TSL05 TYPE STRING,
TSL06 TYPE STRING,
TSL07 TYPE STRING,
TSL08 TYPE STRING,
TSL09 TYPE STRING,
TSL10 TYPE STRING,
TSL11 TYPE STRING,
TSL12 TYPE STRING,
TSL13 TYPE STRING,
TSL14 TYPE STRING,
TSL15 TYPE STRING,
TSL16 TYPE STRING,
HTCUR TYPE STRING,
HSLVT TYPE STRING,
HSL01 TYPE STRING,
HSL02 TYPE STRING,
HSL03 TYPE STRING,
HSL04 TYPE STRING,
HSL05 TYPE STRING,
HSL06 TYPE STRING,
HSL07 TYPE STRING,
HSL08 TYPE STRING,
HSL09 TYPE STRING,
HSL10 TYPE STRING,
HSL11 TYPE STRING,
HSL12 TYPE STRING,
HSL13 TYPE STRING,
HSL14 TYPE STRING,
HSL15 TYPE STRING,
HSL16 TYPE STRING,
FUND_TYPE TYPE STRING,
FM_AREA TYPE STRING,
CO_AREA TYPE STRING,
SGL_ACCOUNT TYPE STRING,
MEASURE TYPE STRING,
BUDGET_PD_9 TYPE STRING,
BL_STRING TYPE STRING,
FUNDINYEAR TYPE STRING,
FUNDEARMARKED TYPE STRING,
MANDT TYPE STRING,
HSUBKEY TYPE STRING,
FLG_COVERED TYPE STRING,
FLG_CUSTODIAL TYPE STRING,
FLG_ENTITY TYPE STRING,
FLG_EXCHANGE TYPE STRING,
FLG_FEDERAL TYPE STRING,
BUREAU TYPE STRING,
BUSINESS_LINE TYPE STRING,
FGDPRTMNT TYPE STRING,
FGDPRTMNT_PART TYPE STRING,
FUND_ACC_SYMBL TYPE STRING,
FLG_APPORT TYPE STRING,
FLG_AVAIL TYPE STRING,
FLG_BORROW TYPE STRING,
FLG_DEFINITE TYPE STRING,
FLG_PARTNER TYPE STRING,
FLG_BEA TYPE STRING,
LEGIS TYPE STRING,
FLG_REIMBUR TYPE STRING,
COHORT TYPE STRING,
PUBLAW TYPE STRING,
FLG_AUTHOR TYPE STRING,
TRANSFER_AGCY_9 TYPE STRING,
TRANSFER_ACCT_9 TYPE STRING,
YEAR_BDGT_AUTH_9 TYPE STRING,
FLG_ADVANCE_9 TYPE STRING,
DEFENSE_INDIC_9 TYPE STRING,
PROG_REPT_CAT TYPE STRING,
APPOR_CATB_DTL_9 TYPE STRING,
BDGT_IMPACT TYPE STRING,
FLG_PYA TYPE STRING,
PROGRAM_IND TYPE STRING,
TP_AGENCID TYPE STRING,
TP_MAIN_ACCT TYPE STRING,
BETC TYPE STRING,
SUBLEVL TYPE STRING,
AGENCID TYPE STRING,
ALTRAID TYPE STRING,
BEGPER TYPE STRING,
ENDPER TYPE STRING,
AVTYPE TYPE STRING,
SUB_ACCT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FMFG4F0_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_FMFG4F0_STR-RCLNT sy-vline 
WA_FMFG4F0_STR-RLDNR sy-vline 
WA_FMFG4F0_STR-RRCTY sy-vline 
WA_FMFG4F0_STR-RVERS sy-vline 
WA_FMFG4F0_STR-RYEAR sy-vline 
WA_FMFG4F0_STR-RTCUR sy-vline 
WA_FMFG4F0_STR-DRCRK sy-vline 
WA_FMFG4F0_STR-RPMAX sy-vline 
WA_FMFG4F0_STR-RBUKRS sy-vline 
WA_FMFG4F0_STR-RACCT sy-vline 
WA_FMFG4F0_STR-RBUSA sy-vline 
WA_FMFG4F0_STR-RPRCTR sy-vline 
WA_FMFG4F0_STR-RCNTR sy-vline 
WA_FMFG4F0_STR-RPROJK sy-vline 
WA_FMFG4F0_STR-RFAREA sy-vline 
WA_FMFG4F0_STR-RFUND sy-vline 
WA_FMFG4F0_STR-RFIPEX sy-vline 
WA_FMFG4F0_STR-RFISTL sy-vline 
WA_FMFG4F0_STR-RORDNR sy-vline 
WA_FMFG4F0_STR-RVBUND sy-vline 
WA_FMFG4F0_STR-RAGNCY_LCTN_CODE sy-vline 
WA_FMFG4F0_STR-RFINUSE sy-vline 
WA_FMFG4F0_STR-FMFG_SUBKEY_9 sy-vline 
WA_FMFG4F0_STR-BLSTATUS_9 sy-vline 
WA_FMFG4F0_STR-TSLVT sy-vline 
WA_FMFG4F0_STR-TSL01 sy-vline 
WA_FMFG4F0_STR-TSL02 sy-vline 
WA_FMFG4F0_STR-TSL03 sy-vline 
WA_FMFG4F0_STR-TSL04 sy-vline 
WA_FMFG4F0_STR-TSL05 sy-vline 
WA_FMFG4F0_STR-TSL06 sy-vline 
WA_FMFG4F0_STR-TSL07 sy-vline 
WA_FMFG4F0_STR-TSL08 sy-vline 
WA_FMFG4F0_STR-TSL09 sy-vline 
WA_FMFG4F0_STR-TSL10 sy-vline 
WA_FMFG4F0_STR-TSL11 sy-vline 
WA_FMFG4F0_STR-TSL12 sy-vline 
WA_FMFG4F0_STR-TSL13 sy-vline 
WA_FMFG4F0_STR-TSL14 sy-vline 
WA_FMFG4F0_STR-TSL15 sy-vline 
WA_FMFG4F0_STR-TSL16 sy-vline 
WA_FMFG4F0_STR-HTCUR sy-vline 
WA_FMFG4F0_STR-HSLVT sy-vline 
WA_FMFG4F0_STR-HSL01 sy-vline 
WA_FMFG4F0_STR-HSL02 sy-vline 
WA_FMFG4F0_STR-HSL03 sy-vline 
WA_FMFG4F0_STR-HSL04 sy-vline 
WA_FMFG4F0_STR-HSL05 sy-vline 
WA_FMFG4F0_STR-HSL06 sy-vline 
WA_FMFG4F0_STR-HSL07 sy-vline 
WA_FMFG4F0_STR-HSL08 sy-vline 
WA_FMFG4F0_STR-HSL09 sy-vline 
WA_FMFG4F0_STR-HSL10 sy-vline 
WA_FMFG4F0_STR-HSL11 sy-vline 
WA_FMFG4F0_STR-HSL12 sy-vline 
WA_FMFG4F0_STR-HSL13 sy-vline 
WA_FMFG4F0_STR-HSL14 sy-vline 
WA_FMFG4F0_STR-HSL15 sy-vline 
WA_FMFG4F0_STR-HSL16 sy-vline 
WA_FMFG4F0_STR-FUND_TYPE sy-vline 
WA_FMFG4F0_STR-FM_AREA sy-vline 
WA_FMFG4F0_STR-CO_AREA sy-vline 
WA_FMFG4F0_STR-SGL_ACCOUNT sy-vline 
WA_FMFG4F0_STR-MEASURE sy-vline 
WA_FMFG4F0_STR-BUDGET_PD_9 sy-vline 
WA_FMFG4F0_STR-BL_STRING sy-vline 
WA_FMFG4F0_STR-FUNDINYEAR sy-vline 
WA_FMFG4F0_STR-FUNDEARMARKED sy-vline 
WA_FMFG4F0_STR-MANDT sy-vline 
WA_FMFG4F0_STR-HSUBKEY sy-vline 
WA_FMFG4F0_STR-FLG_COVERED sy-vline 
WA_FMFG4F0_STR-FLG_CUSTODIAL sy-vline 
WA_FMFG4F0_STR-FLG_ENTITY sy-vline 
WA_FMFG4F0_STR-FLG_EXCHANGE sy-vline 
WA_FMFG4F0_STR-FLG_FEDERAL sy-vline 
WA_FMFG4F0_STR-BUREAU sy-vline 
WA_FMFG4F0_STR-BUSINESS_LINE sy-vline 
WA_FMFG4F0_STR-FGDPRTMNT sy-vline 
WA_FMFG4F0_STR-FGDPRTMNT_PART sy-vline 
WA_FMFG4F0_STR-FUND_ACC_SYMBL sy-vline 
WA_FMFG4F0_STR-FLG_APPORT sy-vline 
WA_FMFG4F0_STR-FLG_AVAIL sy-vline 
WA_FMFG4F0_STR-FLG_BORROW sy-vline 
WA_FMFG4F0_STR-FLG_DEFINITE sy-vline 
WA_FMFG4F0_STR-FLG_PARTNER sy-vline 
WA_FMFG4F0_STR-FLG_BEA sy-vline 
WA_FMFG4F0_STR-LEGIS sy-vline 
WA_FMFG4F0_STR-FLG_REIMBUR sy-vline 
WA_FMFG4F0_STR-COHORT sy-vline 
WA_FMFG4F0_STR-PUBLAW sy-vline 
WA_FMFG4F0_STR-FLG_AUTHOR sy-vline 
WA_FMFG4F0_STR-TRANSFER_AGCY_9 sy-vline 
WA_FMFG4F0_STR-TRANSFER_ACCT_9 sy-vline 
WA_FMFG4F0_STR-YEAR_BDGT_AUTH_9 sy-vline 
WA_FMFG4F0_STR-FLG_ADVANCE_9 sy-vline 
WA_FMFG4F0_STR-DEFENSE_INDIC_9 sy-vline 
WA_FMFG4F0_STR-PROG_REPT_CAT sy-vline 
WA_FMFG4F0_STR-APPOR_CATB_DTL_9 sy-vline 
WA_FMFG4F0_STR-BDGT_IMPACT sy-vline 
WA_FMFG4F0_STR-FLG_PYA sy-vline 
WA_FMFG4F0_STR-PROGRAM_IND sy-vline 
WA_FMFG4F0_STR-TP_AGENCID sy-vline 
WA_FMFG4F0_STR-TP_MAIN_ACCT sy-vline 
WA_FMFG4F0_STR-BETC sy-vline 
WA_FMFG4F0_STR-SUBLEVL sy-vline 
WA_FMFG4F0_STR-AGENCID sy-vline 
WA_FMFG4F0_STR-ALTRAID sy-vline 
WA_FMFG4F0_STR-BEGPER sy-vline 
WA_FMFG4F0_STR-ENDPER sy-vline 
WA_FMFG4F0_STR-AVTYPE sy-vline 
WA_FMFG4F0_STR-SUB_ACCT sy-vline      INTO ld_text SEPARATED BY SPACE.

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