ABAP Select data from SAP table IFLOALT_TABS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IFLOALT_TABS
*  INTO TABLE @DATA(IT_IFLOALT_TABS2).
*--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_IFLOALT_TABS INDEX 1 INTO DATA(WA_IFLOALT_TABS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IFLOALT_TABS>-TAB0 = 1.
<IFLOALT_TABS>-TAB1 = 1.
<IFLOALT_TABS>-TAB2 = 1.
<IFLOALT_TABS>-TAB3 = 1.
<IFLOALT_TABS>-TAB4 = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IFLOALT_TABS-TAB5, sy-vline,
  WA_IFLOALT_TABS-TAB6, sy-vline,
  WA_IFLOALT_TABS-TAB7, sy-vline,
  WA_IFLOALT_TABS-TAB8, sy-vline,
  WA_IFLOALT_TABS-TAB9, sy-vline,
  WA_IFLOALT_TABS-TABA, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IFLOALT_TABS 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_IFLOALT_TABS 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_IFLOALT_TABS INTO WA_IFLOALT_TABS.


*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_IFLOALT_TABS_STR, 
TAB0 TYPE STRING,
TAB1 TYPE STRING,
TAB2 TYPE STRING,
TAB3 TYPE STRING,
TAB4 TYPE STRING,
TAB5 TYPE STRING,
TAB6 TYPE STRING,
TAB7 TYPE STRING,
TAB8 TYPE STRING,
TAB9 TYPE STRING,
TABA TYPE STRING,
TABB TYPE STRING,
TABC TYPE STRING,
TABD TYPE STRING,
TABE TYPE STRING,
TABF TYPE STRING,
TABG TYPE STRING,
TABH TYPE STRING,
TABI TYPE STRING,
TABJ TYPE STRING,
TABK TYPE STRING,
TABL TYPE STRING,
TABM TYPE STRING,
TABN TYPE STRING,
TABO TYPE STRING,
TABP TYPE STRING,
TABQ TYPE STRING,
TABR TYPE STRING,
TABS TYPE STRING,
TABT TYPE STRING,
TABU TYPE STRING,
TABV TYPE STRING,
TABW TYPE STRING,
TABX TYPE STRING,
TABY TYPE STRING,
TABZ TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IFLOALT_TABS_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_IFLOALT_TABS_STR-TAB0 sy-vline 
WA_IFLOALT_TABS_STR-TAB1 sy-vline 
WA_IFLOALT_TABS_STR-TAB2 sy-vline 
WA_IFLOALT_TABS_STR-TAB3 sy-vline 
WA_IFLOALT_TABS_STR-TAB4 sy-vline 
WA_IFLOALT_TABS_STR-TAB5 sy-vline 
WA_IFLOALT_TABS_STR-TAB6 sy-vline 
WA_IFLOALT_TABS_STR-TAB7 sy-vline 
WA_IFLOALT_TABS_STR-TAB8 sy-vline 
WA_IFLOALT_TABS_STR-TAB9 sy-vline 
WA_IFLOALT_TABS_STR-TABA sy-vline 
WA_IFLOALT_TABS_STR-TABB sy-vline 
WA_IFLOALT_TABS_STR-TABC sy-vline 
WA_IFLOALT_TABS_STR-TABD sy-vline 
WA_IFLOALT_TABS_STR-TABE sy-vline 
WA_IFLOALT_TABS_STR-TABF sy-vline 
WA_IFLOALT_TABS_STR-TABG sy-vline 
WA_IFLOALT_TABS_STR-TABH sy-vline 
WA_IFLOALT_TABS_STR-TABI sy-vline 
WA_IFLOALT_TABS_STR-TABJ sy-vline 
WA_IFLOALT_TABS_STR-TABK sy-vline 
WA_IFLOALT_TABS_STR-TABL sy-vline 
WA_IFLOALT_TABS_STR-TABM sy-vline 
WA_IFLOALT_TABS_STR-TABN sy-vline 
WA_IFLOALT_TABS_STR-TABO sy-vline 
WA_IFLOALT_TABS_STR-TABP sy-vline 
WA_IFLOALT_TABS_STR-TABQ sy-vline 
WA_IFLOALT_TABS_STR-TABR sy-vline 
WA_IFLOALT_TABS_STR-TABS sy-vline 
WA_IFLOALT_TABS_STR-TABT sy-vline 
WA_IFLOALT_TABS_STR-TABU sy-vline 
WA_IFLOALT_TABS_STR-TABV sy-vline 
WA_IFLOALT_TABS_STR-TABW sy-vline 
WA_IFLOALT_TABS_STR-TABX sy-vline 
WA_IFLOALT_TABS_STR-TABY sy-vline 
WA_IFLOALT_TABS_STR-TABZ sy-vline      INTO ld_text SEPARATED BY SPACE.

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