ABAP Select data from SAP table FLB06 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FLB06 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 FLB06. 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 FLB06 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_FLB06 TYPE STANDARD TABLE OF FLB06,
      WA_FLB06 TYPE FLB06,
      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: <FLB06> TYPE FLB06.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_FLB06.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM FLB06
  INTO TABLE IT_FLB06.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FLB06
*  INTO TABLE @DATA(IT_FLB062).
*--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_FLB06 INDEX 1 INTO DATA(WA_FLB062).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_FLB06 ASSIGNING <FLB06>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FLB06>-DR001 = 1.
<FLB06>-DR002 = 1.
<FLB06>-DR003 = 1.
<FLB06>-DR004 = 1.
<FLB06>-DR005 = 1.

ENDLOOP.

LOOP AT IT_FLB06 INTO WA_FLB06.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FLB06-DR006, sy-vline,
  WA_FLB06-DR007, sy-vline,
  WA_FLB06-DR008, sy-vline,
  WA_FLB06-DR009, sy-vline,
  WA_FLB06-DR010, sy-vline,
  WA_FLB06-DR011, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FLB06 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_FLB06 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_FLB06 INTO WA_FLB06.


*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_FLB06_STR, 
DR001 TYPE STRING,
DR002 TYPE STRING,
DR003 TYPE STRING,
DR004 TYPE STRING,
DR005 TYPE STRING,
DR006 TYPE STRING,
DR007 TYPE STRING,
DR008 TYPE STRING,
DR009 TYPE STRING,
DR010 TYPE STRING,
DR011 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FLB06_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_FLB06_STR-DR001 sy-vline 
WA_FLB06_STR-DR002 sy-vline 
WA_FLB06_STR-DR003 sy-vline 
WA_FLB06_STR-DR004 sy-vline 
WA_FLB06_STR-DR005 sy-vline 
WA_FLB06_STR-DR006 sy-vline 
WA_FLB06_STR-DR007 sy-vline 
WA_FLB06_STR-DR008 sy-vline 
WA_FLB06_STR-DR009 sy-vline 
WA_FLB06_STR-DR010 sy-vline 
WA_FLB06_STR-DR011 sy-vline      INTO ld_text SEPARATED BY SPACE.

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