ABAP Select data from SAP table FMFG_YRCL_FIELDS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FMFG_YRCL_FIELDS
*  INTO TABLE @DATA(IT_FMFG_YRCL_FIELDS2).
*--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_FMFG_YRCL_FIELDS INDEX 1 INTO DATA(WA_FMFG_YRCL_FIELDS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FMFG_YRCL_FIELDS>-YRCL_AWTYP = 1.
<FMFG_YRCL_FIELDS>-YRCL_AWREF = 1.
<FMFG_YRCL_FIELDS>-RTCUR = 1.
<FMFG_YRCL_FIELDS>-RACCT = 1.
<FMFG_YRCL_FIELDS>-RBUSA = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FMFG_YRCL_FIELDS-RPRCTR, sy-vline,
  WA_FMFG_YRCL_FIELDS-RCNTR, sy-vline,
  WA_FMFG_YRCL_FIELDS-RPROJK, sy-vline,
  WA_FMFG_YRCL_FIELDS-RFAREA, sy-vline,
  WA_FMFG_YRCL_FIELDS-RFUND, sy-vline,
  WA_FMFG_YRCL_FIELDS-RFIPEX, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FMFG_YRCL_FIELDS 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_FMFG_YRCL_FIELDS 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_FMFG_YRCL_FIELDS INTO WA_FMFG_YRCL_FIELDS.


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

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

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

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

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

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

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

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

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

*Conversion exit GJAHR, internal->external for field ENDPER
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_FMFG_YRCL_FIELDS-ENDPER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMFG_YRCL_FIELDS-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_FMFG_YRCL_FIELDS_STR, 
YRCL_AWTYP TYPE STRING,
YRCL_AWREF TYPE STRING,
RTCUR 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,
FMFG_SUBKEY_9 TYPE STRING,
BLSTATUS_9 TYPE STRING,
MEASURE TYPE STRING,
T_BALANCE TYPE STRING,
L_BALANCE TYPE STRING,
BL_STRING TYPE STRING,
PROCESS_UI TYPE STRING,
FUND_TYPE TYPE STRING,
FLG_NO_FACTS_DERIVE TYPE STRING,
BUDGET_PD_9 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,
SGL_ACCOUNT TYPE STRING,
RFINUSE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FMFG_YRCL_FIELDS_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_FMFG_YRCL_FIELDS_STR-YRCL_AWTYP sy-vline 
WA_FMFG_YRCL_FIELDS_STR-YRCL_AWREF sy-vline 
WA_FMFG_YRCL_FIELDS_STR-RTCUR sy-vline 
WA_FMFG_YRCL_FIELDS_STR-RACCT sy-vline 
WA_FMFG_YRCL_FIELDS_STR-RBUSA sy-vline 
WA_FMFG_YRCL_FIELDS_STR-RPRCTR sy-vline 
WA_FMFG_YRCL_FIELDS_STR-RCNTR sy-vline 
WA_FMFG_YRCL_FIELDS_STR-RPROJK sy-vline 
WA_FMFG_YRCL_FIELDS_STR-RFAREA sy-vline 
WA_FMFG_YRCL_FIELDS_STR-RFUND sy-vline 
WA_FMFG_YRCL_FIELDS_STR-RFIPEX sy-vline 
WA_FMFG_YRCL_FIELDS_STR-RFISTL sy-vline 
WA_FMFG_YRCL_FIELDS_STR-RORDNR sy-vline 
WA_FMFG_YRCL_FIELDS_STR-RVBUND sy-vline 
WA_FMFG_YRCL_FIELDS_STR-FMFG_SUBKEY_9 sy-vline 
WA_FMFG_YRCL_FIELDS_STR-BLSTATUS_9 sy-vline 
WA_FMFG_YRCL_FIELDS_STR-MEASURE sy-vline 
WA_FMFG_YRCL_FIELDS_STR-T_BALANCE sy-vline 
WA_FMFG_YRCL_FIELDS_STR-L_BALANCE sy-vline 
WA_FMFG_YRCL_FIELDS_STR-BL_STRING sy-vline 
WA_FMFG_YRCL_FIELDS_STR-PROCESS_UI sy-vline 
WA_FMFG_YRCL_FIELDS_STR-FUND_TYPE sy-vline 
WA_FMFG_YRCL_FIELDS_STR-FLG_NO_FACTS_DERIVE sy-vline 
WA_FMFG_YRCL_FIELDS_STR-BUDGET_PD_9 sy-vline 
WA_FMFG_YRCL_FIELDS_STR-HSUBKEY sy-vline 
WA_FMFG_YRCL_FIELDS_STR-FLG_COVERED sy-vline 
WA_FMFG_YRCL_FIELDS_STR-FLG_CUSTODIAL sy-vline 
WA_FMFG_YRCL_FIELDS_STR-FLG_ENTITY sy-vline 
WA_FMFG_YRCL_FIELDS_STR-FLG_EXCHANGE sy-vline 
WA_FMFG_YRCL_FIELDS_STR-FLG_FEDERAL sy-vline 
WA_FMFG_YRCL_FIELDS_STR-BUREAU sy-vline 
WA_FMFG_YRCL_FIELDS_STR-BUSINESS_LINE sy-vline 
WA_FMFG_YRCL_FIELDS_STR-FGDPRTMNT sy-vline 
WA_FMFG_YRCL_FIELDS_STR-FGDPRTMNT_PART sy-vline 
WA_FMFG_YRCL_FIELDS_STR-FUND_ACC_SYMBL sy-vline 
WA_FMFG_YRCL_FIELDS_STR-FLG_APPORT sy-vline 
WA_FMFG_YRCL_FIELDS_STR-FLG_AVAIL sy-vline 
WA_FMFG_YRCL_FIELDS_STR-FLG_BORROW sy-vline 
WA_FMFG_YRCL_FIELDS_STR-FLG_DEFINITE sy-vline 
WA_FMFG_YRCL_FIELDS_STR-FLG_PARTNER sy-vline 
WA_FMFG_YRCL_FIELDS_STR-FLG_BEA sy-vline 
WA_FMFG_YRCL_FIELDS_STR-LEGIS sy-vline 
WA_FMFG_YRCL_FIELDS_STR-FLG_REIMBUR sy-vline 
WA_FMFG_YRCL_FIELDS_STR-COHORT sy-vline 
WA_FMFG_YRCL_FIELDS_STR-PUBLAW sy-vline 
WA_FMFG_YRCL_FIELDS_STR-FLG_AUTHOR sy-vline 
WA_FMFG_YRCL_FIELDS_STR-TRANSFER_AGCY_9 sy-vline 
WA_FMFG_YRCL_FIELDS_STR-TRANSFER_ACCT_9 sy-vline 
WA_FMFG_YRCL_FIELDS_STR-YEAR_BDGT_AUTH_9 sy-vline 
WA_FMFG_YRCL_FIELDS_STR-FLG_ADVANCE_9 sy-vline 
WA_FMFG_YRCL_FIELDS_STR-DEFENSE_INDIC_9 sy-vline 
WA_FMFG_YRCL_FIELDS_STR-PROG_REPT_CAT sy-vline 
WA_FMFG_YRCL_FIELDS_STR-APPOR_CATB_DTL_9 sy-vline 
WA_FMFG_YRCL_FIELDS_STR-BDGT_IMPACT sy-vline 
WA_FMFG_YRCL_FIELDS_STR-FLG_PYA sy-vline 
WA_FMFG_YRCL_FIELDS_STR-PROGRAM_IND sy-vline 
WA_FMFG_YRCL_FIELDS_STR-TP_AGENCID sy-vline 
WA_FMFG_YRCL_FIELDS_STR-TP_MAIN_ACCT sy-vline 
WA_FMFG_YRCL_FIELDS_STR-BETC sy-vline 
WA_FMFG_YRCL_FIELDS_STR-SUBLEVL sy-vline 
WA_FMFG_YRCL_FIELDS_STR-AGENCID sy-vline 
WA_FMFG_YRCL_FIELDS_STR-ALTRAID sy-vline 
WA_FMFG_YRCL_FIELDS_STR-BEGPER sy-vline 
WA_FMFG_YRCL_FIELDS_STR-ENDPER sy-vline 
WA_FMFG_YRCL_FIELDS_STR-AVTYPE sy-vline 
WA_FMFG_YRCL_FIELDS_STR-SUB_ACCT sy-vline 
WA_FMFG_YRCL_FIELDS_STR-SGL_ACCOUNT sy-vline 
WA_FMFG_YRCL_FIELDS_STR-RFINUSE sy-vline      INTO ld_text SEPARATED BY SPACE.

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