ABAP Select data from SAP table BAPI_FGT_S_SCRN_ELMT_PROC into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BAPI_FGT_S_SCRN_ELMT_PROC
*  INTO TABLE @DATA(IT_BAPI_FGT_S_SCRN_ELMT_PROC2).
*--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_BAPI_FGT_S_SCRN_ELMT_PROC INDEX 1 INTO DATA(WA_BAPI_FGT_S_SCRN_ELMT_PROC2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BAPI_FGT_S_SCRN_ELMT_PROC>-SLNO = 1.
<BAPI_FGT_S_SCRN_ELMT_PROC>-PROCESSED = 1.
<BAPI_FGT_S_SCRN_ELMT_PROC>-REMOVE = 1.
<BAPI_FGT_S_SCRN_ELMT_PROC>-ATTR_UPDATED = 1.
<BAPI_FGT_S_SCRN_ELMT_PROC>-STEP_NO = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BAPI_FGT_S_SCRN_ELMT_PROC-GRP_ID, sy-vline,
  WA_BAPI_FGT_S_SCRN_ELMT_PROC-FLD_NAM, sy-vline,
  WA_BAPI_FGT_S_SCRN_ELMT_PROC-DATA_ELMT, sy-vline,
  WA_BAPI_FGT_S_SCRN_ELMT_PROC-TXT_SRC, sy-vline,
  WA_BAPI_FGT_S_SCRN_ELMT_PROC-TXT_ID, sy-vline,
  WA_BAPI_FGT_S_SCRN_ELMT_PROC-DISP_AS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BAPI_FGT_S_SCRN_ELMT_PROC 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_BAPI_FGT_S_SCRN_ELMT_PROC 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_BAPI_FGT_S_SCRN_ELMT_PROC INTO WA_BAPI_FGT_S_SCRN_ELMT_PROC.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_BAPI_FGT_S_SCRN_ELMT_PROC_STR, 
SLNO TYPE STRING,
PROCESSED TYPE STRING,
REMOVE TYPE STRING,
ATTR_UPDATED TYPE STRING,
STEP_NO TYPE STRING,
GRP_ID TYPE STRING,
FLD_NAM TYPE STRING,
DATA_ELMT TYPE STRING,
TXT_SRC TYPE STRING,
TXT_ID TYPE STRING,
DISP_AS TYPE STRING,
RB_GRP TYPE STRING,
RB_OR_CHKB_VAL TYPE STRING,
USE_DOM_VAL TYPE STRING,
DATA_BIND_IND TYPE STRING,
BIND_FLD TYPE STRING,
MANDT_IND TYPE STRING,
SEARCH_HELP TYPE STRING,
DISPLAY_ONLY TYPE STRING,
CLRDATA TYPE STRING,
TRIG_STEP_CHNG TYPE STRING,
EDIT_AT_CHNG TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BAPI_FGT_S_SCRN_ELMT_PROC_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_BAPI_FGT_S_SCRN_ELMT_PROC_STR-SLNO sy-vline 
WA_BAPI_FGT_S_SCRN_ELMT_PROC_STR-PROCESSED sy-vline 
WA_BAPI_FGT_S_SCRN_ELMT_PROC_STR-REMOVE sy-vline 
WA_BAPI_FGT_S_SCRN_ELMT_PROC_STR-ATTR_UPDATED sy-vline 
WA_BAPI_FGT_S_SCRN_ELMT_PROC_STR-STEP_NO sy-vline 
WA_BAPI_FGT_S_SCRN_ELMT_PROC_STR-GRP_ID sy-vline 
WA_BAPI_FGT_S_SCRN_ELMT_PROC_STR-FLD_NAM sy-vline 
WA_BAPI_FGT_S_SCRN_ELMT_PROC_STR-DATA_ELMT sy-vline 
WA_BAPI_FGT_S_SCRN_ELMT_PROC_STR-TXT_SRC sy-vline 
WA_BAPI_FGT_S_SCRN_ELMT_PROC_STR-TXT_ID sy-vline 
WA_BAPI_FGT_S_SCRN_ELMT_PROC_STR-DISP_AS sy-vline 
WA_BAPI_FGT_S_SCRN_ELMT_PROC_STR-RB_GRP sy-vline 
WA_BAPI_FGT_S_SCRN_ELMT_PROC_STR-RB_OR_CHKB_VAL sy-vline 
WA_BAPI_FGT_S_SCRN_ELMT_PROC_STR-USE_DOM_VAL sy-vline 
WA_BAPI_FGT_S_SCRN_ELMT_PROC_STR-DATA_BIND_IND sy-vline 
WA_BAPI_FGT_S_SCRN_ELMT_PROC_STR-BIND_FLD sy-vline 
WA_BAPI_FGT_S_SCRN_ELMT_PROC_STR-MANDT_IND sy-vline 
WA_BAPI_FGT_S_SCRN_ELMT_PROC_STR-SEARCH_HELP sy-vline 
WA_BAPI_FGT_S_SCRN_ELMT_PROC_STR-DISPLAY_ONLY sy-vline 
WA_BAPI_FGT_S_SCRN_ELMT_PROC_STR-CLRDATA sy-vline 
WA_BAPI_FGT_S_SCRN_ELMT_PROC_STR-TRIG_STEP_CHNG sy-vline 
WA_BAPI_FGT_S_SCRN_ELMT_PROC_STR-EDIT_AT_CHNG sy-vline      INTO ld_text SEPARATED BY SPACE.

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