ABAP Select data from SAP table FAGL_R_S_OBJ_TYPE into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FAGL_R_S_OBJ_TYPE
*  INTO TABLE @DATA(IT_FAGL_R_S_OBJ_TYPE2).
*--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_FAGL_R_S_OBJ_TYPE INDEX 1 INTO DATA(WA_FAGL_R_S_OBJ_TYPE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FAGL_R_S_OBJ_TYPE>-TAB1 = 1.
<FAGL_R_S_OBJ_TYPE>-KEY1 = 1.
<FAGL_R_S_OBJ_TYPE>-TAB2 = 1.
<FAGL_R_S_OBJ_TYPE>-KEY2 = 1.
<FAGL_R_S_OBJ_TYPE>-TAB3 = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FAGL_R_S_OBJ_TYPE-KEY3, sy-vline,
  WA_FAGL_R_S_OBJ_TYPE-TAB4, sy-vline,
  WA_FAGL_R_S_OBJ_TYPE-KEY4, sy-vline,
  WA_FAGL_R_S_OBJ_TYPE-TAB5, sy-vline,
  WA_FAGL_R_S_OBJ_TYPE-KEY5, sy-vline,
  WA_FAGL_R_S_OBJ_TYPE-TAB6, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FAGL_R_S_OBJ_TYPE 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_FAGL_R_S_OBJ_TYPE 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_FAGL_R_S_OBJ_TYPE INTO WA_FAGL_R_S_OBJ_TYPE.


*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_FAGL_R_S_OBJ_TYPE_STR, 
TAB1 TYPE STRING,
KEY1 TYPE STRING,
TAB2 TYPE STRING,
KEY2 TYPE STRING,
TAB3 TYPE STRING,
KEY3 TYPE STRING,
TAB4 TYPE STRING,
KEY4 TYPE STRING,
TAB5 TYPE STRING,
KEY5 TYPE STRING,
TAB6 TYPE STRING,
KEY6 TYPE STRING,
TAB7 TYPE STRING,
KEY7 TYPE STRING,
TAB8 TYPE STRING,
KEY8 TYPE STRING,
XGENERATE TYPE STRING,
XREASSIGN TYPE STRING,
XREPOST TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FAGL_R_S_OBJ_TYPE_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_FAGL_R_S_OBJ_TYPE_STR-TAB1 sy-vline 
WA_FAGL_R_S_OBJ_TYPE_STR-KEY1 sy-vline 
WA_FAGL_R_S_OBJ_TYPE_STR-TAB2 sy-vline 
WA_FAGL_R_S_OBJ_TYPE_STR-KEY2 sy-vline 
WA_FAGL_R_S_OBJ_TYPE_STR-TAB3 sy-vline 
WA_FAGL_R_S_OBJ_TYPE_STR-KEY3 sy-vline 
WA_FAGL_R_S_OBJ_TYPE_STR-TAB4 sy-vline 
WA_FAGL_R_S_OBJ_TYPE_STR-KEY4 sy-vline 
WA_FAGL_R_S_OBJ_TYPE_STR-TAB5 sy-vline 
WA_FAGL_R_S_OBJ_TYPE_STR-KEY5 sy-vline 
WA_FAGL_R_S_OBJ_TYPE_STR-TAB6 sy-vline 
WA_FAGL_R_S_OBJ_TYPE_STR-KEY6 sy-vline 
WA_FAGL_R_S_OBJ_TYPE_STR-TAB7 sy-vline 
WA_FAGL_R_S_OBJ_TYPE_STR-KEY7 sy-vline 
WA_FAGL_R_S_OBJ_TYPE_STR-TAB8 sy-vline 
WA_FAGL_R_S_OBJ_TYPE_STR-KEY8 sy-vline 
WA_FAGL_R_S_OBJ_TYPE_STR-XGENERATE sy-vline 
WA_FAGL_R_S_OBJ_TYPE_STR-XREASSIGN sy-vline 
WA_FAGL_R_S_OBJ_TYPE_STR-XREPOST sy-vline      INTO ld_text SEPARATED BY SPACE.

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