ABAP Select data from SAP table FVW6_0500 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FVW6_0500 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 FVW6_0500. 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 FVW6_0500 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_FVW6_0500 TYPE STANDARD TABLE OF FVW6_0500,
      WA_FVW6_0500 TYPE FVW6_0500,
      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: <FVW6_0500> TYPE FVW6_0500.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_FVW6_0500.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM FVW6_0500
  INTO TABLE IT_FVW6_0500.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FVW6_0500
*  INTO TABLE @DATA(IT_FVW6_05002).
*--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_FVW6_0500 INDEX 1 INTO DATA(WA_FVW6_05002).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_FVW6_0500 ASSIGNING <FVW6_0500>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FVW6_0500>-SCHEDULE_KEY = 1.
<FVW6_0500>-SET_KEY = 1.
<FVW6_0500>-SCHEDULE_NAME = 1.
<FVW6_0500>-SCHEDULE_TEXT = 1.
<FVW6_0500>-VALID_FROM = 1.

ENDLOOP.

LOOP AT IT_FVW6_0500 INTO WA_FVW6_0500.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FVW6_0500-FIRST_REDEMPTION, sy-vline,
  WA_FVW6_0500-NUM_OF_REDEMPT, sy-vline,
  WA_FVW6_0500-TOTAL_QUANTITY, sy-vline,
  WA_FVW6_0500-SCHEDULE_FILE, sy-vline,
  WA_FVW6_0500-SET_CURRENCY, sy-vline,
  WA_FVW6_0500-ACTIVE_SCHEDULE_TEXT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FVW6_0500 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_FVW6_0500 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_FVW6_0500 INTO WA_FVW6_0500.


*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_FVW6_0500_STR, 
SCHEDULE_KEY TYPE STRING,
SET_KEY TYPE STRING,
SCHEDULE_NAME TYPE STRING,
SCHEDULE_TEXT TYPE STRING,
VALID_FROM TYPE STRING,
FIRST_REDEMPTION TYPE STRING,
NUM_OF_REDEMPT TYPE STRING,
TOTAL_QUANTITY TYPE STRING,
SCHEDULE_FILE TYPE STRING,
SET_CURRENCY TYPE STRING,
ACTIVE_SCHEDULE_TEXT TYPE STRING,
FIXING_FLG TYPE STRING,
WAC TYPE STRING,
NET TYPE STRING,
AGE TYPE STRING,
WAM TYPE STRING,
PSA_1 TYPE STRING,
PSA_3 TYPE STRING,
PSA_6 TYPE STRING,
PSA_12 TYPE STRING,
PSA_LIFE TYPE STRING,
CPR_1 TYPE STRING,
CPR_3 TYPE STRING,
CPR_6 TYPE STRING,
CPR_12 TYPE STRING,
CPR_LIFE TYPE STRING,
PROVIDER TYPE STRING,
SMM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FVW6_0500_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_FVW6_0500_STR-SCHEDULE_KEY sy-vline 
WA_FVW6_0500_STR-SET_KEY sy-vline 
WA_FVW6_0500_STR-SCHEDULE_NAME sy-vline 
WA_FVW6_0500_STR-SCHEDULE_TEXT sy-vline 
WA_FVW6_0500_STR-VALID_FROM sy-vline 
WA_FVW6_0500_STR-FIRST_REDEMPTION sy-vline 
WA_FVW6_0500_STR-NUM_OF_REDEMPT sy-vline 
WA_FVW6_0500_STR-TOTAL_QUANTITY sy-vline 
WA_FVW6_0500_STR-SCHEDULE_FILE sy-vline 
WA_FVW6_0500_STR-SET_CURRENCY sy-vline 
WA_FVW6_0500_STR-ACTIVE_SCHEDULE_TEXT sy-vline 
WA_FVW6_0500_STR-FIXING_FLG sy-vline 
WA_FVW6_0500_STR-WAC sy-vline 
WA_FVW6_0500_STR-NET sy-vline 
WA_FVW6_0500_STR-AGE sy-vline 
WA_FVW6_0500_STR-WAM sy-vline 
WA_FVW6_0500_STR-PSA_1 sy-vline 
WA_FVW6_0500_STR-PSA_3 sy-vline 
WA_FVW6_0500_STR-PSA_6 sy-vline 
WA_FVW6_0500_STR-PSA_12 sy-vline 
WA_FVW6_0500_STR-PSA_LIFE sy-vline 
WA_FVW6_0500_STR-CPR_1 sy-vline 
WA_FVW6_0500_STR-CPR_3 sy-vline 
WA_FVW6_0500_STR-CPR_6 sy-vline 
WA_FVW6_0500_STR-CPR_12 sy-vline 
WA_FVW6_0500_STR-CPR_LIFE sy-vline 
WA_FVW6_0500_STR-PROVIDER sy-vline 
WA_FVW6_0500_STR-SMM sy-vline      INTO ld_text SEPARATED BY SPACE.

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