ABAP Select data from SAP table FMBS_S_BS_SCREEN into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FMBS_S_BS_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 FMBS_S_BS_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 FMBS_S_BS_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_FMBS_S_BS_SCREEN TYPE STANDARD TABLE OF FMBS_S_BS_SCREEN,
      WA_FMBS_S_BS_SCREEN TYPE FMBS_S_BS_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: <FMBS_S_BS_SCREEN> TYPE FMBS_S_BS_SCREEN.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FMBS_S_BS_SCREEN
*  INTO TABLE @DATA(IT_FMBS_S_BS_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_FMBS_S_BS_SCREEN INDEX 1 INTO DATA(WA_FMBS_S_BS_SCREEN2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FMBS_S_BS_SCREEN>-FM_AREA = 1.
<FMBS_S_BS_SCREEN>-BS = 1.
<FMBS_S_BS_SCREEN>-NAME = 1.
<FMBS_S_BS_SCREEN>-FLG_OBJECT_INSERT = 1.
<FMBS_S_BS_SCREEN>-FLG_OBJECT_DELETE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FMBS_S_BS_SCREEN-SAVING_STATUS, sy-vline,
  WA_FMBS_S_BS_SCREEN-CRTUSER, sy-vline,
  WA_FMBS_S_BS_SCREEN-CRTDATE, sy-vline,
  WA_FMBS_S_BS_SCREEN-CRTTIME, sy-vline,
  WA_FMBS_S_BS_SCREEN-CHGUSER, sy-vline,
  WA_FMBS_S_BS_SCREEN-CHGDATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FMBS_S_BS_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_FMBS_S_BS_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_FMBS_S_BS_SCREEN INTO WA_FMBS_S_BS_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 FISCYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_FMBS_S_BS_SCREEN-FISCYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMBS_S_BS_SCREEN-FISCYEAR.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit ALPHA, internal->external for field GRANT_NBR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FMBS_S_BS_SCREEN-GRANT_NBR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMBS_S_BS_SCREEN-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_FMBS_S_BS_SCREEN_STR, 
FM_AREA TYPE STRING,
BS TYPE STRING,
NAME TYPE STRING,
FLG_OBJECT_INSERT TYPE STRING,
FLG_OBJECT_DELETE TYPE STRING,
SAVING_STATUS TYPE STRING,
CRTUSER TYPE STRING,
CRTDATE TYPE STRING,
CRTTIME TYPE STRING,
CHGUSER TYPE STRING,
CHGDATE TYPE STRING,
CHGTIME TYPE STRING,
FISCYEAR TYPE STRING,
PLDNR TYPE STRING,
VERSION TYPE STRING,
BUDCAT TYPE STRING,
HIE_ID TYPE STRING,
FUND TYPE STRING,
BUDGET_PD TYPE STRING,
FUNDSCTR TYPE STRING,
CMMTITEM TYPE STRING,
FUNCAREA TYPE STRING,
GRANT_NBR TYPE STRING,
MEASURE TYPE STRING,
USERDIM TYPE STRING,
FLG_FUND_IN_HEADER TYPE STRING,
FLG_FUNDSCTR_IN_HEADER TYPE STRING,
FLG_CMMTITEM_IN_HEADER TYPE STRING,
FLG_FUNCAREA_IN_HEADER TYPE STRING,
FLG_GRANT_NBR_IN_HEADER TYPE STRING,
FLG_MEASURE_IN_HEADER TYPE STRING,
FLG_USERDIM_IN_HEADER TYPE STRING,
FLG_BUDGET_PD_IN_HEADER TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FMBS_S_BS_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_FMBS_S_BS_SCREEN_STR-FM_AREA sy-vline 
WA_FMBS_S_BS_SCREEN_STR-BS sy-vline 
WA_FMBS_S_BS_SCREEN_STR-NAME sy-vline 
WA_FMBS_S_BS_SCREEN_STR-FLG_OBJECT_INSERT sy-vline 
WA_FMBS_S_BS_SCREEN_STR-FLG_OBJECT_DELETE sy-vline 
WA_FMBS_S_BS_SCREEN_STR-SAVING_STATUS sy-vline 
WA_FMBS_S_BS_SCREEN_STR-CRTUSER sy-vline 
WA_FMBS_S_BS_SCREEN_STR-CRTDATE sy-vline 
WA_FMBS_S_BS_SCREEN_STR-CRTTIME sy-vline 
WA_FMBS_S_BS_SCREEN_STR-CHGUSER sy-vline 
WA_FMBS_S_BS_SCREEN_STR-CHGDATE sy-vline 
WA_FMBS_S_BS_SCREEN_STR-CHGTIME sy-vline 
WA_FMBS_S_BS_SCREEN_STR-FISCYEAR sy-vline 
WA_FMBS_S_BS_SCREEN_STR-PLDNR sy-vline 
WA_FMBS_S_BS_SCREEN_STR-VERSION sy-vline 
WA_FMBS_S_BS_SCREEN_STR-BUDCAT sy-vline 
WA_FMBS_S_BS_SCREEN_STR-HIE_ID sy-vline 
WA_FMBS_S_BS_SCREEN_STR-FUND sy-vline 
WA_FMBS_S_BS_SCREEN_STR-BUDGET_PD sy-vline 
WA_FMBS_S_BS_SCREEN_STR-FUNDSCTR sy-vline 
WA_FMBS_S_BS_SCREEN_STR-CMMTITEM sy-vline 
WA_FMBS_S_BS_SCREEN_STR-FUNCAREA sy-vline 
WA_FMBS_S_BS_SCREEN_STR-GRANT_NBR sy-vline 
WA_FMBS_S_BS_SCREEN_STR-MEASURE sy-vline 
WA_FMBS_S_BS_SCREEN_STR-USERDIM sy-vline 
WA_FMBS_S_BS_SCREEN_STR-FLG_FUND_IN_HEADER sy-vline 
WA_FMBS_S_BS_SCREEN_STR-FLG_FUNDSCTR_IN_HEADER sy-vline 
WA_FMBS_S_BS_SCREEN_STR-FLG_CMMTITEM_IN_HEADER sy-vline 
WA_FMBS_S_BS_SCREEN_STR-FLG_FUNCAREA_IN_HEADER sy-vline 
WA_FMBS_S_BS_SCREEN_STR-FLG_GRANT_NBR_IN_HEADER sy-vline 
WA_FMBS_S_BS_SCREEN_STR-FLG_MEASURE_IN_HEADER sy-vline 
WA_FMBS_S_BS_SCREEN_STR-FLG_USERDIM_IN_HEADER sy-vline 
WA_FMBS_S_BS_SCREEN_STR-FLG_BUDGET_PD_IN_HEADER sy-vline      INTO ld_text SEPARATED BY SPACE.

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