ABAP Select data from SAP table FAGLFLEX_FSL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FAGLFLEX_FSL
*  INTO TABLE @DATA(IT_FAGLFLEX_FSL2).
*--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_FAGLFLEX_FSL INDEX 1 INTO DATA(WA_FAGLFLEX_FSL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FAGLFLEX_FSL>-FSLVT = 1.
<FAGLFLEX_FSL>-FSL01 = 1.
<FAGLFLEX_FSL>-FSL02 = 1.
<FAGLFLEX_FSL>-FSL03 = 1.
<FAGLFLEX_FSL>-FSL04 = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FAGLFLEX_FSL-FSL05, sy-vline,
  WA_FAGLFLEX_FSL-FSL06, sy-vline,
  WA_FAGLFLEX_FSL-FSL07, sy-vline,
  WA_FAGLFLEX_FSL-FSL08, sy-vline,
  WA_FAGLFLEX_FSL-FSL09, sy-vline,
  WA_FAGLFLEX_FSL-FSL10, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FAGLFLEX_FSL 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_FAGLFLEX_FSL 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_FAGLFLEX_FSL INTO WA_FAGLFLEX_FSL.


*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_FAGLFLEX_FSL_STR, 
FSLVT TYPE STRING,
FSL01 TYPE STRING,
FSL02 TYPE STRING,
FSL03 TYPE STRING,
FSL04 TYPE STRING,
FSL05 TYPE STRING,
FSL06 TYPE STRING,
FSL07 TYPE STRING,
FSL08 TYPE STRING,
FSL09 TYPE STRING,
FSL10 TYPE STRING,
FSL11 TYPE STRING,
FSL12 TYPE STRING,
FSL13 TYPE STRING,
FSL14 TYPE STRING,
FSL15 TYPE STRING,
FSL16 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FAGLFLEX_FSL_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_FAGLFLEX_FSL_STR-FSLVT sy-vline 
WA_FAGLFLEX_FSL_STR-FSL01 sy-vline 
WA_FAGLFLEX_FSL_STR-FSL02 sy-vline 
WA_FAGLFLEX_FSL_STR-FSL03 sy-vline 
WA_FAGLFLEX_FSL_STR-FSL04 sy-vline 
WA_FAGLFLEX_FSL_STR-FSL05 sy-vline 
WA_FAGLFLEX_FSL_STR-FSL06 sy-vline 
WA_FAGLFLEX_FSL_STR-FSL07 sy-vline 
WA_FAGLFLEX_FSL_STR-FSL08 sy-vline 
WA_FAGLFLEX_FSL_STR-FSL09 sy-vline 
WA_FAGLFLEX_FSL_STR-FSL10 sy-vline 
WA_FAGLFLEX_FSL_STR-FSL11 sy-vline 
WA_FAGLFLEX_FSL_STR-FSL12 sy-vline 
WA_FAGLFLEX_FSL_STR-FSL13 sy-vline 
WA_FAGLFLEX_FSL_STR-FSL14 sy-vline 
WA_FAGLFLEX_FSL_STR-FSL15 sy-vline 
WA_FAGLFLEX_FSL_STR-FSL16 sy-vline      INTO ld_text SEPARATED BY SPACE.

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