ABAP Select data from SAP table FAGL_MM_SALDO into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FAGL_MM_SALDO 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_MM_SALDO. 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_MM_SALDO 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_MM_SALDO TYPE STANDARD TABLE OF FAGL_MM_SALDO,
      WA_FAGL_MM_SALDO TYPE FAGL_MM_SALDO,
      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_MM_SALDO> TYPE FAGL_MM_SALDO.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FAGL_MM_SALDO
*  INTO TABLE @DATA(IT_FAGL_MM_SALDO2).
*--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_MM_SALDO INDEX 1 INTO DATA(WA_FAGL_MM_SALDO2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FAGL_MM_SALDO>-ACCOUNT = 1.
<FAGL_MM_SALDO>-RBUSA = 1.
<FAGL_MM_SALDO>-PRCTR = 1.
<FAGL_MM_SALDO>-SEGMENT = 1.
<FAGL_MM_SALDO>-CURT1 = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FAGL_MM_SALDO-CURR1, sy-vline,
  WA_FAGL_MM_SALDO-FG_CURT1, sy-vline,
  WA_FAGL_MM_SALDO-SALDO_CURT1, sy-vline,
  WA_FAGL_MM_SALDO-CURT2, sy-vline,
  WA_FAGL_MM_SALDO-CURR2, sy-vline,
  WA_FAGL_MM_SALDO-FG_CURT2, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FAGL_MM_SALDO 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_MM_SALDO 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_MM_SALDO INTO WA_FAGL_MM_SALDO.


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

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

*Conversion exit ALPHA, internal->external for field SEGMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FAGL_MM_SALDO-SEGMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FAGL_MM_SALDO-SEGMENT.
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_FAGL_MM_SALDO_STR, 
ACCOUNT TYPE STRING,
RBUSA TYPE STRING,
PRCTR TYPE STRING,
SEGMENT TYPE STRING,
CURT1 TYPE STRING,
CURR1 TYPE STRING,
FG_CURT1 TYPE STRING,
SALDO_CURT1 TYPE STRING,
CURT2 TYPE STRING,
CURR2 TYPE STRING,
FG_CURT2 TYPE STRING,
SALDO_CURT2 TYPE STRING,
CURT3 TYPE STRING,
CURR3 TYPE STRING,
FG_CURT3 TYPE STRING,
SALDO_CURT3 TYPE STRING,
CURT4 TYPE STRING,
CURR4 TYPE STRING,
FG_CURT4 TYPE STRING,
SALDO_CURT4 TYPE STRING,
CURT5 TYPE STRING,
CURR5 TYPE STRING,
FG_CURT5 TYPE STRING,
SALDO_CURT5 TYPE STRING,
CURT6 TYPE STRING,
CURR6 TYPE STRING,
FG_CURT6 TYPE STRING,
SALDO_CURT6 TYPE STRING,
CURT7 TYPE STRING,
CURR7 TYPE STRING,
FG_CURT7 TYPE STRING,
SALDO_CURT7 TYPE STRING,
CURT8 TYPE STRING,
CURR8 TYPE STRING,
FG_CURT8 TYPE STRING,
SALDO_CURT8 TYPE STRING,
CURT9 TYPE STRING,
CURR9 TYPE STRING,
FG_CURT9 TYPE STRING,
SALDO_CURT9 TYPE STRING,
CURT10 TYPE STRING,
CURR10 TYPE STRING,
FG_CURT10 TYPE STRING,
SALDO_CURT10 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FAGL_MM_SALDO_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_MM_SALDO_STR-ACCOUNT sy-vline 
WA_FAGL_MM_SALDO_STR-RBUSA sy-vline 
WA_FAGL_MM_SALDO_STR-PRCTR sy-vline 
WA_FAGL_MM_SALDO_STR-SEGMENT sy-vline 
WA_FAGL_MM_SALDO_STR-CURT1 sy-vline 
WA_FAGL_MM_SALDO_STR-CURR1 sy-vline 
WA_FAGL_MM_SALDO_STR-FG_CURT1 sy-vline 
WA_FAGL_MM_SALDO_STR-SALDO_CURT1 sy-vline 
WA_FAGL_MM_SALDO_STR-CURT2 sy-vline 
WA_FAGL_MM_SALDO_STR-CURR2 sy-vline 
WA_FAGL_MM_SALDO_STR-FG_CURT2 sy-vline 
WA_FAGL_MM_SALDO_STR-SALDO_CURT2 sy-vline 
WA_FAGL_MM_SALDO_STR-CURT3 sy-vline 
WA_FAGL_MM_SALDO_STR-CURR3 sy-vline 
WA_FAGL_MM_SALDO_STR-FG_CURT3 sy-vline 
WA_FAGL_MM_SALDO_STR-SALDO_CURT3 sy-vline 
WA_FAGL_MM_SALDO_STR-CURT4 sy-vline 
WA_FAGL_MM_SALDO_STR-CURR4 sy-vline 
WA_FAGL_MM_SALDO_STR-FG_CURT4 sy-vline 
WA_FAGL_MM_SALDO_STR-SALDO_CURT4 sy-vline 
WA_FAGL_MM_SALDO_STR-CURT5 sy-vline 
WA_FAGL_MM_SALDO_STR-CURR5 sy-vline 
WA_FAGL_MM_SALDO_STR-FG_CURT5 sy-vline 
WA_FAGL_MM_SALDO_STR-SALDO_CURT5 sy-vline 
WA_FAGL_MM_SALDO_STR-CURT6 sy-vline 
WA_FAGL_MM_SALDO_STR-CURR6 sy-vline 
WA_FAGL_MM_SALDO_STR-FG_CURT6 sy-vline 
WA_FAGL_MM_SALDO_STR-SALDO_CURT6 sy-vline 
WA_FAGL_MM_SALDO_STR-CURT7 sy-vline 
WA_FAGL_MM_SALDO_STR-CURR7 sy-vline 
WA_FAGL_MM_SALDO_STR-FG_CURT7 sy-vline 
WA_FAGL_MM_SALDO_STR-SALDO_CURT7 sy-vline 
WA_FAGL_MM_SALDO_STR-CURT8 sy-vline 
WA_FAGL_MM_SALDO_STR-CURR8 sy-vline 
WA_FAGL_MM_SALDO_STR-FG_CURT8 sy-vline 
WA_FAGL_MM_SALDO_STR-SALDO_CURT8 sy-vline 
WA_FAGL_MM_SALDO_STR-CURT9 sy-vline 
WA_FAGL_MM_SALDO_STR-CURR9 sy-vline 
WA_FAGL_MM_SALDO_STR-FG_CURT9 sy-vline 
WA_FAGL_MM_SALDO_STR-SALDO_CURT9 sy-vline 
WA_FAGL_MM_SALDO_STR-CURT10 sy-vline 
WA_FAGL_MM_SALDO_STR-CURR10 sy-vline 
WA_FAGL_MM_SALDO_STR-FG_CURT10 sy-vline 
WA_FAGL_MM_SALDO_STR-SALDO_CURT10 sy-vline      INTO ld_text SEPARATED BY SPACE.

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