ABAP Select data from SAP table DPWTY_S_BAPI_FLEET into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP DPWTY_S_BAPI_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 DPWTY_S_BAPI_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 DPWTY_S_BAPI_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_DPWTY_S_BAPI_FLEET TYPE STANDARD TABLE OF DPWTY_S_BAPI_FLEET,
      WA_DPWTY_S_BAPI_FLEET TYPE DPWTY_S_BAPI_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: <DPWTY_S_BAPI_FLEET> TYPE DPWTY_S_BAPI_FLEET.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM DPWTY_S_BAPI_FLEET
*  INTO TABLE @DATA(IT_DPWTY_S_BAPI_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_DPWTY_S_BAPI_FLEET INDEX 1 INTO DATA(WA_DPWTY_S_BAPI_FLEET2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<DPWTY_S_BAPI_FLEET>-FLEET_NUM = 1.
<DPWTY_S_BAPI_FLEET>-FLEET_VIN = 1.
<DPWTY_S_BAPI_FLEET>-CHASSIS_NUM = 1.
<DPWTY_S_BAPI_FLEET>-LICENSE_NUM = 1.
<DPWTY_S_BAPI_FLEET>-EXPIRY_DATE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_DPWTY_S_BAPI_FLEET-FLEET_HGT, sy-vline,
  WA_DPWTY_S_BAPI_FLEET-FLEET_WID, sy-vline,
  WA_DPWTY_S_BAPI_FLEET-FLEET_LEN, sy-vline,
  WA_DPWTY_S_BAPI_FLEET-DIM_UNIT, sy-vline,
  WA_DPWTY_S_BAPI_FLEET-DIM_UNIT_ISO, sy-vline,
  WA_DPWTY_S_BAPI_FLEET-PRI_CALC, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_DPWTY_S_BAPI_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_DPWTY_S_BAPI_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_DPWTY_S_BAPI_FLEET INTO WA_DPWTY_S_BAPI_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_DPWTY_S_BAPI_FLEET_STR, 
FLEET_NUM TYPE STRING,
FLEET_VIN TYPE STRING,
CHASSIS_NUM TYPE STRING,
LICENSE_NUM TYPE STRING,
EXPIRY_DATE TYPE STRING,
FLEET_HGT TYPE STRING,
FLEET_WID TYPE STRING,
FLEET_LEN TYPE STRING,
DIM_UNIT TYPE STRING,
DIM_UNIT_ISO TYPE STRING,
PRI_CALC TYPE STRING,
REPLA_DATE TYPE STRING,
REPLA_ODOM TYPE STRING,
REPLA_OPH TYPE STRING,
NUM_AXLE TYPE STRING,
MAX_OCCUPANTS TYPE STRING,
CARD_NUM TYPE STRING,
KEY_NUM TYPE STRING,
FLEET_USE TYPE STRING,
ENGINE_TYPE TYPE STRING,
ENGINE_POWER TYPE STRING,
UNIT_POWER TYPE STRING,
UNIT_POWER_ISO TYPE STRING,
REVOLUTIONS TYPE STRING,
ENGINE_CYL TYPE STRING,
ENGINE_CAP TYPE STRING,
UNIT_CAP TYPE STRING,
UNIT_CAP_ISO TYPE STRING,
ENGINE_SNR TYPE STRING,
FUEL_PRI TYPE STRING,
FUEL_SEC TYPE STRING,
OIL_TYPE TYPE STRING,
GROSS_WGT TYPE STRING,
LOAD_WGT TYPE STRING,
WGT_UNIT TYPE STRING,
WGT_UNIT_ISO TYPE STRING,
LOAD_HGT TYPE STRING,
LOAD_WID TYPE STRING,
LOAD_LEN TYPE STRING,
LOAD_DIM_UNIT TYPE STRING,
LOAD_DIM_UNIT_ISO TYPE STRING,
LOAD_VOL TYPE STRING,
VOL_UNIT TYPE STRING,
VOL_UNIT_ISO TYPE STRING,
NO_COMPART TYPE STRING,
SPEED_MAX TYPE STRING,
SPEED_UNIT TYPE STRING,
SPEED_UNIT_ISO TYPE STRING,
CONSUMP_TOL TYPE STRING,
CONSUMP_MOVE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_DPWTY_S_BAPI_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_DPWTY_S_BAPI_FLEET_STR-FLEET_NUM sy-vline 
WA_DPWTY_S_BAPI_FLEET_STR-FLEET_VIN sy-vline 
WA_DPWTY_S_BAPI_FLEET_STR-CHASSIS_NUM sy-vline 
WA_DPWTY_S_BAPI_FLEET_STR-LICENSE_NUM sy-vline 
WA_DPWTY_S_BAPI_FLEET_STR-EXPIRY_DATE sy-vline 
WA_DPWTY_S_BAPI_FLEET_STR-FLEET_HGT sy-vline 
WA_DPWTY_S_BAPI_FLEET_STR-FLEET_WID sy-vline 
WA_DPWTY_S_BAPI_FLEET_STR-FLEET_LEN sy-vline 
WA_DPWTY_S_BAPI_FLEET_STR-DIM_UNIT sy-vline 
WA_DPWTY_S_BAPI_FLEET_STR-DIM_UNIT_ISO sy-vline 
WA_DPWTY_S_BAPI_FLEET_STR-PRI_CALC sy-vline 
WA_DPWTY_S_BAPI_FLEET_STR-REPLA_DATE sy-vline 
WA_DPWTY_S_BAPI_FLEET_STR-REPLA_ODOM sy-vline 
WA_DPWTY_S_BAPI_FLEET_STR-REPLA_OPH sy-vline 
WA_DPWTY_S_BAPI_FLEET_STR-NUM_AXLE sy-vline 
WA_DPWTY_S_BAPI_FLEET_STR-MAX_OCCUPANTS sy-vline 
WA_DPWTY_S_BAPI_FLEET_STR-CARD_NUM sy-vline 
WA_DPWTY_S_BAPI_FLEET_STR-KEY_NUM sy-vline 
WA_DPWTY_S_BAPI_FLEET_STR-FLEET_USE sy-vline 
WA_DPWTY_S_BAPI_FLEET_STR-ENGINE_TYPE sy-vline 
WA_DPWTY_S_BAPI_FLEET_STR-ENGINE_POWER sy-vline 
WA_DPWTY_S_BAPI_FLEET_STR-UNIT_POWER sy-vline 
WA_DPWTY_S_BAPI_FLEET_STR-UNIT_POWER_ISO sy-vline 
WA_DPWTY_S_BAPI_FLEET_STR-REVOLUTIONS sy-vline 
WA_DPWTY_S_BAPI_FLEET_STR-ENGINE_CYL sy-vline 
WA_DPWTY_S_BAPI_FLEET_STR-ENGINE_CAP sy-vline 
WA_DPWTY_S_BAPI_FLEET_STR-UNIT_CAP sy-vline 
WA_DPWTY_S_BAPI_FLEET_STR-UNIT_CAP_ISO sy-vline 
WA_DPWTY_S_BAPI_FLEET_STR-ENGINE_SNR sy-vline 
WA_DPWTY_S_BAPI_FLEET_STR-FUEL_PRI sy-vline 
WA_DPWTY_S_BAPI_FLEET_STR-FUEL_SEC sy-vline 
WA_DPWTY_S_BAPI_FLEET_STR-OIL_TYPE sy-vline 
WA_DPWTY_S_BAPI_FLEET_STR-GROSS_WGT sy-vline 
WA_DPWTY_S_BAPI_FLEET_STR-LOAD_WGT sy-vline 
WA_DPWTY_S_BAPI_FLEET_STR-WGT_UNIT sy-vline 
WA_DPWTY_S_BAPI_FLEET_STR-WGT_UNIT_ISO sy-vline 
WA_DPWTY_S_BAPI_FLEET_STR-LOAD_HGT sy-vline 
WA_DPWTY_S_BAPI_FLEET_STR-LOAD_WID sy-vline 
WA_DPWTY_S_BAPI_FLEET_STR-LOAD_LEN sy-vline 
WA_DPWTY_S_BAPI_FLEET_STR-LOAD_DIM_UNIT sy-vline 
WA_DPWTY_S_BAPI_FLEET_STR-LOAD_DIM_UNIT_ISO sy-vline 
WA_DPWTY_S_BAPI_FLEET_STR-LOAD_VOL sy-vline 
WA_DPWTY_S_BAPI_FLEET_STR-VOL_UNIT sy-vline 
WA_DPWTY_S_BAPI_FLEET_STR-VOL_UNIT_ISO sy-vline 
WA_DPWTY_S_BAPI_FLEET_STR-NO_COMPART sy-vline 
WA_DPWTY_S_BAPI_FLEET_STR-SPEED_MAX sy-vline 
WA_DPWTY_S_BAPI_FLEET_STR-SPEED_UNIT sy-vline 
WA_DPWTY_S_BAPI_FLEET_STR-SPEED_UNIT_ISO sy-vline 
WA_DPWTY_S_BAPI_FLEET_STR-CONSUMP_TOL sy-vline 
WA_DPWTY_S_BAPI_FLEET_STR-CONSUMP_MOVE sy-vline      INTO ld_text SEPARATED BY SPACE.

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