ABAP Select data from SAP table GMBDGT_FYD_COPY_ROW_SCREEN into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM GMBDGT_FYD_COPY_ROW_SCREEN
*  INTO TABLE @DATA(IT_GMBDGT_FYD_COPY_ROW_SCREEN2).
*--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_GMBDGT_FYD_COPY_ROW_SCREEN INDEX 1 INTO DATA(WA_GMBDGT_FYD_COPY_ROW_SCREEN2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<GMBDGT_FYD_COPY_ROW_SCREEN>-LINE = 1.
<GMBDGT_FYD_COPY_ROW_SCREEN>-SUB_LINE = 1.
<GMBDGT_FYD_COPY_ROW_SCREEN>-FUND = 1.
<GMBDGT_FYD_COPY_ROW_SCREEN>-SP_PROGRAM = 1.
<GMBDGT_FYD_COPY_ROW_SCREEN>-SP_CLASS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_GMBDGT_FYD_COPY_ROW_SCREEN-FROM_DATE, sy-vline,
  WA_GMBDGT_FYD_COPY_ROW_SCREEN-TO_DATE, sy-vline,
  WA_GMBDGT_FYD_COPY_ROW_SCREEN-VLDTY_NBR, sy-vline,
  WA_GMBDGT_FYD_COPY_ROW_SCREEN-FYFROM_DATE, sy-vline,
  WA_GMBDGT_FYD_COPY_ROW_SCREEN-FYTO_DATE, sy-vline,
  WA_GMBDGT_FYD_COPY_ROW_SCREEN-FYEAR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_GMBDGT_FYD_COPY_ROW_SCREEN 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_GMBDGT_FYD_COPY_ROW_SCREEN 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_GMBDGT_FYD_COPY_ROW_SCREEN INTO WA_GMBDGT_FYD_COPY_ROW_SCREEN.


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

*Conversion exit FMCIL, internal->external for field FIPEX
CALL FUNCTION 'CONVERSION_EXIT_FMCIL_OUTPUT'
  EXPORTING
    input =                      WA_GMBDGT_FYD_COPY_ROW_SCREEN-FIPEX
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_GMBDGT_FYD_COPY_ROW_SCREEN-FIPEX.
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_GMBDGT_FYD_COPY_ROW_SCREEN_STR, 
LINE TYPE STRING,
SUB_LINE TYPE STRING,
FUND TYPE STRING,
SP_PROGRAM TYPE STRING,
SP_CLASS TYPE STRING,
FROM_DATE TYPE STRING,
TO_DATE TYPE STRING,
VLDTY_NBR TYPE STRING,
FYFROM_DATE TYPE STRING,
FYTO_DATE TYPE STRING,
FYEAR TYPE STRING,
AMOUNT TYPE STRING,
FM_AREA TYPE STRING,
FIPEX TYPE STRING,
FUNDS_CENTER TYPE STRING,
FUNCTIONAL_AREA TYPE STRING,
MEASURE TYPE STRING,
DISTKEY TYPE STRING,
TEXT TYPE STRING,
BUDGET_PERIOD TYPE STRING,END OF T_EKKO_STR.
DATA: WA_GMBDGT_FYD_COPY_ROW_SCREEN_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_GMBDGT_FYD_COPY_ROW_SCREEN_STR-LINE sy-vline 
WA_GMBDGT_FYD_COPY_ROW_SCREEN_STR-SUB_LINE sy-vline 
WA_GMBDGT_FYD_COPY_ROW_SCREEN_STR-FUND sy-vline 
WA_GMBDGT_FYD_COPY_ROW_SCREEN_STR-SP_PROGRAM sy-vline 
WA_GMBDGT_FYD_COPY_ROW_SCREEN_STR-SP_CLASS sy-vline 
WA_GMBDGT_FYD_COPY_ROW_SCREEN_STR-FROM_DATE sy-vline 
WA_GMBDGT_FYD_COPY_ROW_SCREEN_STR-TO_DATE sy-vline 
WA_GMBDGT_FYD_COPY_ROW_SCREEN_STR-VLDTY_NBR sy-vline 
WA_GMBDGT_FYD_COPY_ROW_SCREEN_STR-FYFROM_DATE sy-vline 
WA_GMBDGT_FYD_COPY_ROW_SCREEN_STR-FYTO_DATE sy-vline 
WA_GMBDGT_FYD_COPY_ROW_SCREEN_STR-FYEAR sy-vline 
WA_GMBDGT_FYD_COPY_ROW_SCREEN_STR-AMOUNT sy-vline 
WA_GMBDGT_FYD_COPY_ROW_SCREEN_STR-FM_AREA sy-vline 
WA_GMBDGT_FYD_COPY_ROW_SCREEN_STR-FIPEX sy-vline 
WA_GMBDGT_FYD_COPY_ROW_SCREEN_STR-FUNDS_CENTER sy-vline 
WA_GMBDGT_FYD_COPY_ROW_SCREEN_STR-FUNCTIONAL_AREA sy-vline 
WA_GMBDGT_FYD_COPY_ROW_SCREEN_STR-MEASURE sy-vline 
WA_GMBDGT_FYD_COPY_ROW_SCREEN_STR-DISTKEY sy-vline 
WA_GMBDGT_FYD_COPY_ROW_SCREEN_STR-TEXT sy-vline 
WA_GMBDGT_FYD_COPY_ROW_SCREEN_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.