ABAP Select data from SAP table FFO_LB_FILE_S_ROOT_TOTAL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FFO_LB_FILE_S_ROOT_TOTAL
*  INTO TABLE @DATA(IT_FFO_LB_FILE_S_ROOT_TOTAL2).
*--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_FFO_LB_FILE_S_ROOT_TOTAL INDEX 1 INTO DATA(WA_FFO_LB_FILE_S_ROOT_TOTAL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FFO_LB_FILE_S_ROOT_TOTAL>-KEY = 1.
<FFO_LB_FILE_S_ROOT_TOTAL>-PARENT_KEY = 1.
<FFO_LB_FILE_S_ROOT_TOTAL>-ROOT_KEY = 1.
<FFO_LB_FILE_S_ROOT_TOTAL>-ST001 = 1.
<FFO_LB_FILE_S_ROOT_TOTAL>-ST002 = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FFO_LB_FILE_S_ROOT_TOTAL-ST003, sy-vline,
  WA_FFO_LB_FILE_S_ROOT_TOTAL-ST004, sy-vline,
  WA_FFO_LB_FILE_S_ROOT_TOTAL-ST005, sy-vline,
  WA_FFO_LB_FILE_S_ROOT_TOTAL-ST006, sy-vline,
  WA_FFO_LB_FILE_S_ROOT_TOTAL-ST007, sy-vline,
  WA_FFO_LB_FILE_S_ROOT_TOTAL-ST008, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FFO_LB_FILE_S_ROOT_TOTAL 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_FFO_LB_FILE_S_ROOT_TOTAL 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_FFO_LB_FILE_S_ROOT_TOTAL INTO WA_FFO_LB_FILE_S_ROOT_TOTAL.


*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_FFO_LB_FILE_S_ROOT_TOTAL_STR, 
KEY TYPE STRING,
PARENT_KEY TYPE STRING,
ROOT_KEY TYPE STRING,
ST001 TYPE STRING,
ST002 TYPE STRING,
ST003 TYPE STRING,
ST004 TYPE STRING,
ST005 TYPE STRING,
ST006 TYPE STRING,
ST007 TYPE STRING,
ST008 TYPE STRING,
ST009 TYPE STRING,
ST010 TYPE STRING,
ST011 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FFO_LB_FILE_S_ROOT_TOTAL_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_FFO_LB_FILE_S_ROOT_TOTAL_STR-KEY sy-vline 
WA_FFO_LB_FILE_S_ROOT_TOTAL_STR-PARENT_KEY sy-vline 
WA_FFO_LB_FILE_S_ROOT_TOTAL_STR-ROOT_KEY sy-vline 
WA_FFO_LB_FILE_S_ROOT_TOTAL_STR-ST001 sy-vline 
WA_FFO_LB_FILE_S_ROOT_TOTAL_STR-ST002 sy-vline 
WA_FFO_LB_FILE_S_ROOT_TOTAL_STR-ST003 sy-vline 
WA_FFO_LB_FILE_S_ROOT_TOTAL_STR-ST004 sy-vline 
WA_FFO_LB_FILE_S_ROOT_TOTAL_STR-ST005 sy-vline 
WA_FFO_LB_FILE_S_ROOT_TOTAL_STR-ST006 sy-vline 
WA_FFO_LB_FILE_S_ROOT_TOTAL_STR-ST007 sy-vline 
WA_FFO_LB_FILE_S_ROOT_TOTAL_STR-ST008 sy-vline 
WA_FFO_LB_FILE_S_ROOT_TOTAL_STR-ST009 sy-vline 
WA_FFO_LB_FILE_S_ROOT_TOTAL_STR-ST010 sy-vline 
WA_FFO_LB_FILE_S_ROOT_TOTAL_STR-ST011 sy-vline      INTO ld_text SEPARATED BY SPACE.

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