ABAP Select data from SAP table IFM_FYC_VA_DISPLAY into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IFM_FYC_VA_DISPLAY
*  INTO TABLE @DATA(IT_IFM_FYC_VA_DISPLAY2).
*--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_IFM_FYC_VA_DISPLAY INDEX 1 INTO DATA(WA_IFM_FYC_VA_DISPLAY2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IFM_FYC_VA_DISPLAY>-CHECKB = 1.
<IFM_FYC_VA_DISPLAY>-INTNR = 1.
<IFM_FYC_VA_DISPLAY>-INTNR_PRED = 1.
<IFM_FYC_VA_DISPLAY>-INTNR_ROOT = 1.
<IFM_FYC_VA_DISPLAY>-FLG_ROOT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IFM_FYC_VA_DISPLAY-COLOR, sy-vline,
  WA_IFM_FYC_VA_DISPLAY-STATUS, sy-vline,
  WA_IFM_FYC_VA_DISPLAY-CHAIN_HIER, sy-vline,
  WA_IFM_FYC_VA_DISPLAY-VA_OPTION, sy-vline,
  WA_IFM_FYC_VA_DISPLAY-REFBN, sy-vline,
  WA_IFM_FYC_VA_DISPLAY-RFPOS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IFM_FYC_VA_DISPLAY 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_IFM_FYC_VA_DISPLAY 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_IFM_FYC_VA_DISPLAY INTO WA_IFM_FYC_VA_DISPLAY.


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

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

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

*Conversion exit ALPHA, internal->external for field GRANT_NBR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IFM_FYC_VA_DISPLAY-GRANT_NBR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IFM_FYC_VA_DISPLAY-GRANT_NBR.
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_IFM_FYC_VA_DISPLAY_STR, 
CHECKB TYPE STRING,
INTNR TYPE STRING,
INTNR_PRED TYPE STRING,
INTNR_ROOT TYPE STRING,
FLG_ROOT TYPE STRING,
COLOR TYPE STRING,
STATUS TYPE STRING,
CHAIN_HIER TYPE STRING,
VA_OPTION TYPE STRING,
REFBN TYPE STRING,
RFPOS TYPE STRING,
REFBN_ROOT TYPE STRING,
RFPOS_ROOT TYPE STRING,
WRTTP TYPE STRING,
WRTTPT TYPE STRING,
TRBTR TYPE STRING,
FKBTR TYPE STRING,
TRBTR_RED TYPE STRING,
FKBTR_RED TYPE STRING,
TRBTR_VA TYPE STRING,
FKBTR_VA TYPE STRING,
TWAER TYPE STRING,
HWAER TYPE STRING,
BUKRS TYPE STRING,
FISTL TYPE STRING,
FONDS TYPE STRING,
FIPEX TYPE STRING,
FAREA TYPE STRING,
GRANT_NBR TYPE STRING,
FDATK TYPE STRING,
MSGTYP TYPE STRING,
MESSAGE TYPE STRING,
MORE_ERR TYPE STRING,
BUDGET_PD TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IFM_FYC_VA_DISPLAY_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_IFM_FYC_VA_DISPLAY_STR-CHECKB sy-vline 
WA_IFM_FYC_VA_DISPLAY_STR-INTNR sy-vline 
WA_IFM_FYC_VA_DISPLAY_STR-INTNR_PRED sy-vline 
WA_IFM_FYC_VA_DISPLAY_STR-INTNR_ROOT sy-vline 
WA_IFM_FYC_VA_DISPLAY_STR-FLG_ROOT sy-vline 
WA_IFM_FYC_VA_DISPLAY_STR-COLOR sy-vline 
WA_IFM_FYC_VA_DISPLAY_STR-STATUS sy-vline 
WA_IFM_FYC_VA_DISPLAY_STR-CHAIN_HIER sy-vline 
WA_IFM_FYC_VA_DISPLAY_STR-VA_OPTION sy-vline 
WA_IFM_FYC_VA_DISPLAY_STR-REFBN sy-vline 
WA_IFM_FYC_VA_DISPLAY_STR-RFPOS sy-vline 
WA_IFM_FYC_VA_DISPLAY_STR-REFBN_ROOT sy-vline 
WA_IFM_FYC_VA_DISPLAY_STR-RFPOS_ROOT sy-vline 
WA_IFM_FYC_VA_DISPLAY_STR-WRTTP sy-vline 
WA_IFM_FYC_VA_DISPLAY_STR-WRTTPT sy-vline 
WA_IFM_FYC_VA_DISPLAY_STR-TRBTR sy-vline 
WA_IFM_FYC_VA_DISPLAY_STR-FKBTR sy-vline 
WA_IFM_FYC_VA_DISPLAY_STR-TRBTR_RED sy-vline 
WA_IFM_FYC_VA_DISPLAY_STR-FKBTR_RED sy-vline 
WA_IFM_FYC_VA_DISPLAY_STR-TRBTR_VA sy-vline 
WA_IFM_FYC_VA_DISPLAY_STR-FKBTR_VA sy-vline 
WA_IFM_FYC_VA_DISPLAY_STR-TWAER sy-vline 
WA_IFM_FYC_VA_DISPLAY_STR-HWAER sy-vline 
WA_IFM_FYC_VA_DISPLAY_STR-BUKRS sy-vline 
WA_IFM_FYC_VA_DISPLAY_STR-FISTL sy-vline 
WA_IFM_FYC_VA_DISPLAY_STR-FONDS sy-vline 
WA_IFM_FYC_VA_DISPLAY_STR-FIPEX sy-vline 
WA_IFM_FYC_VA_DISPLAY_STR-FAREA sy-vline 
WA_IFM_FYC_VA_DISPLAY_STR-GRANT_NBR sy-vline 
WA_IFM_FYC_VA_DISPLAY_STR-FDATK sy-vline 
WA_IFM_FYC_VA_DISPLAY_STR-MSGTYP sy-vline 
WA_IFM_FYC_VA_DISPLAY_STR-MESSAGE sy-vline 
WA_IFM_FYC_VA_DISPLAY_STR-MORE_ERR sy-vline 
WA_IFM_FYC_VA_DISPLAY_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.