ABAP Select data from SAP table /SAPAPO/PPO_S_OPTOUT_FLEET into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /SAPAPO/PPO_S_OPTOUT_FLEET 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 /SAPAPO/PPO_S_OPTOUT_FLEET. 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 /SAPAPO/PPO_S_OPTOUT_FLEET 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_/SAPAPO/PPO_S_OPTOUT_FLEET TYPE STANDARD TABLE OF /SAPAPO/PPO_S_OPTOUT_FLEET,
      WA_/SAPAPO/PPO_S_OPTOUT_FLEET TYPE /SAPAPO/PPO_S_OPTOUT_FLEET,
      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: </SAPAPO/PPO_S_OPTOUT_FLEET> TYPE /SAPAPO/PPO_S_OPTOUT_FLEET.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /SAPAPO/PPO_S_OPTOUT_FLEET
  INTO TABLE IT_/SAPAPO/PPO_S_OPTOUT_FLEET.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPAPO/PPO_S_OPTOUT_FLEET
*  INTO TABLE @DATA(IT_/SAPAPO/PPO_S_OPTOUT_FLEET2).
*--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_/SAPAPO/PPO_S_OPTOUT_FLEET INDEX 1 INTO DATA(WA_/SAPAPO/PPO_S_OPTOUT_FLEET2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/SAPAPO/PPO_S_OPTOUT_FLEET ASSIGNING </SAPAPO/PPO_S_OPTOUT_FLEET>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPAPO/PPO_S_OPTOUT_FLEET>-FLEID = 1.
</SAPAPO/PPO_S_OPTOUT_FLEET>-BUCKE = 1.
</SAPAPO/PPO_S_OPTOUT_FLEET>-TRUCK = 1.
</SAPAPO/PPO_S_OPTOUT_FLEET>-INCAP = 1.
</SAPAPO/PPO_S_OPTOUT_FLEET>-REDFL = 1.

ENDLOOP.

LOOP AT IT_/SAPAPO/PPO_S_OPTOUT_FLEET INTO WA_/SAPAPO/PPO_S_OPTOUT_FLEET.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPAPO/PPO_S_OPTOUT_FLEET-SHAFL, sy-vline,
  WA_/SAPAPO/PPO_S_OPTOUT_FLEET-MAXFL, sy-vline,
  WA_/SAPAPO/PPO_S_OPTOUT_FLEET-INCFL, sy-vline,
  WA_/SAPAPO/PPO_S_OPTOUT_FLEET-COUND, sy-vline,
  WA_/SAPAPO/PPO_S_OPTOUT_FLEET-FLECO, sy-vline,
  WA_/SAPAPO/PPO_S_OPTOUT_FLEET-INICO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPAPO/PPO_S_OPTOUT_FLEET 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_/SAPAPO/PPO_S_OPTOUT_FLEET 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_/SAPAPO/PPO_S_OPTOUT_FLEET INTO WA_/SAPAPO/PPO_S_OPTOUT_FLEET.


*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_/SAPAPO/PPO_S_OPTOUT_FLEET_STR, 
FLEID TYPE STRING,
BUCKE TYPE STRING,
TRUCK TYPE STRING,
INCAP TYPE STRING,
REDFL TYPE STRING,
SHAFL TYPE STRING,
MAXFL TYPE STRING,
INCFL TYPE STRING,
COUND TYPE STRING,
FLECO TYPE STRING,
INICO TYPE STRING,
TOTCO TYPE STRING,
TOTPE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPAPO/PPO_S_OPTOUT_FLEET_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_/SAPAPO/PPO_S_OPTOUT_FLEET_STR-FLEID sy-vline 
WA_/SAPAPO/PPO_S_OPTOUT_FLEET_STR-BUCKE sy-vline 
WA_/SAPAPO/PPO_S_OPTOUT_FLEET_STR-TRUCK sy-vline 
WA_/SAPAPO/PPO_S_OPTOUT_FLEET_STR-INCAP sy-vline 
WA_/SAPAPO/PPO_S_OPTOUT_FLEET_STR-REDFL sy-vline 
WA_/SAPAPO/PPO_S_OPTOUT_FLEET_STR-SHAFL sy-vline 
WA_/SAPAPO/PPO_S_OPTOUT_FLEET_STR-MAXFL sy-vline 
WA_/SAPAPO/PPO_S_OPTOUT_FLEET_STR-INCFL sy-vline 
WA_/SAPAPO/PPO_S_OPTOUT_FLEET_STR-COUND sy-vline 
WA_/SAPAPO/PPO_S_OPTOUT_FLEET_STR-FLECO sy-vline 
WA_/SAPAPO/PPO_S_OPTOUT_FLEET_STR-INICO sy-vline 
WA_/SAPAPO/PPO_S_OPTOUT_FLEET_STR-TOTCO sy-vline 
WA_/SAPAPO/PPO_S_OPTOUT_FLEET_STR-TOTPE sy-vline      INTO ld_text SEPARATED BY SPACE.

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