ABAP Select data from SAP table P46CAR4 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP P46CAR4 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 P46CAR4. 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 P46CAR4 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_P46CAR4 TYPE STANDARD TABLE OF P46CAR4,
      WA_P46CAR4 TYPE P46CAR4,
      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: <P46CAR4> TYPE P46CAR4.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_P46CAR4.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM P46CAR4
  INTO TABLE IT_P46CAR4.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM P46CAR4
*  INTO TABLE @DATA(IT_P46CAR42).
*--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_P46CAR4 INDEX 1 INTO DATA(WA_P46CAR42).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_P46CAR4 ASSIGNING <P46CAR4>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<P46CAR4>-CONTROLLER = 1.
<P46CAR4>-EMPLOYEE_DETAILS = 1.
<P46CAR4>-CONTROLLER = 1.
<P46CAR4>-NAME = 1.
<P46CAR4>-CONTROLLER = 1.

ENDLOOP.

LOOP AT IT_P46CAR4 INTO WA_P46CAR4.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_P46CAR4-TTL, sy-vline,
  WA_P46CAR4-FORE, sy-vline,
  WA_P46CAR4-SUR, sy-vline,
  WA_P46CAR4-NINO, sy-vline,
  WA_P46CAR4-BIRTH_DATE, sy-vline,
  WA_P46CAR4-GENDER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_P46CAR4 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_P46CAR4 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_P46CAR4 INTO WA_P46CAR4.


*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_P46CAR4_STR, 
CONTROLLER TYPE STRING,
EMPLOYEE_DETAILS TYPE STRING,
CONTROLLER TYPE STRING,
NAME TYPE STRING,
CONTROLLER TYPE STRING,
TTL TYPE STRING,
FORE TYPE STRING,
SUR TYPE STRING,
NINO TYPE STRING,
BIRTH_DATE TYPE STRING,
GENDER TYPE STRING,
SUBMISSION_REASON TYPE STRING,
CONTROLLER TYPE STRING,
PROVIDED_CAR TYPE STRING,
REPLACED_CAR TYPE STRING,
CONTROLLER TYPE STRING,
REPLACED TYPE STRING,
MULTIPLE_CAR_INDICATOR TYPE STRING,
MULTIPLE_CARS TYPE STRING,
CONTROLLER TYPE STRING,
MAKE_AND_MODEL TYPE STRING,
ENGINE_SIZE TYPE STRING,
CONTROLLER TYPE STRING,
CATEGORY TYPE STRING,
CONTENT TYPE STRING,
SECOND_CAR TYPE STRING,
DIRECTOR TYPE STRING,
CAR_WITHDRAWN TYPE STRING,
CONTROLLER TYPE STRING,
WITHDRAWN TYPE STRING,
DATE_WITHDRAWN TYPE STRING,
MAKE_AND_MODEL TYPE STRING,
ENGINE_SIZE TYPE STRING,
CONTROLLER TYPE STRING,
CATEGORY TYPE STRING,
CONTENT TYPE STRING,
CAR_DETAILS TYPE STRING,
CONTROLLER TYPE STRING,
MAKE_AND_MODEL TYPE STRING,
ENGINE_SIZE TYPE STRING,
CONTROLLER TYPE STRING,
CATEGORY TYPE STRING,
CONTENT TYPE STRING,
DATE_FIRST_REGISTERED TYPE STRING,
FUEL_TYPE TYPE STRING,
CO2EMISSIONS TYPE STRING,
CONTROLLER TYPE STRING,
CHOICE TYPE STRING,
SELECTION TYPE STRING,
CONTROLLER TYPE STRING,
EMISSIONS TYPE STRING,
BEFORE1998 TYPE STRING,
NO_APPROVED TYPE STRING,
MONETARY_DETAILS TYPE STRING,
CONTROLLER TYPE STRING,
CAR_PRICE TYPE STRING,
CONTROLLER TYPE STRING,
CURRENCY TYPE STRING,
CONTENT TYPE STRING,
ACCESSORIES_PRICE TYPE STRING,
CONTROLLER TYPE STRING,
CURRENCY TYPE STRING,
CONTENT TYPE STRING,
DATE_FIRST_AVAILABLE TYPE STRING,
CAPITAL_CONTRIBUTIONS TYPE STRING,
CONTROLLER TYPE STRING,
CURRENCY TYPE STRING,
CONTENT TYPE STRING,
PRIVATE_USE_PAYMENT TYPE STRING,
CONTROLLER TYPE STRING,
BASE TYPE STRING,
CONTROLLER TYPE STRING,
CURRENCY TYPE STRING,
CONTENT TYPE STRING,
INTERVAL TYPE STRING,
FUEL TYPE STRING,
CONTROLLER TYPE STRING,
PRIVATE_USE TYPE STRING,
FUEL_PAID_BY_EMPLOYEE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_P46CAR4_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_P46CAR4_STR-CONTROLLER sy-vline 
WA_P46CAR4_STR-EMPLOYEE_DETAILS sy-vline 
WA_P46CAR4_STR-CONTROLLER sy-vline 
WA_P46CAR4_STR-NAME sy-vline 
WA_P46CAR4_STR-CONTROLLER sy-vline 
WA_P46CAR4_STR-TTL sy-vline 
WA_P46CAR4_STR-FORE sy-vline 
WA_P46CAR4_STR-SUR sy-vline 
WA_P46CAR4_STR-NINO sy-vline 
WA_P46CAR4_STR-BIRTH_DATE sy-vline 
WA_P46CAR4_STR-GENDER sy-vline 
WA_P46CAR4_STR-SUBMISSION_REASON sy-vline 
WA_P46CAR4_STR-CONTROLLER sy-vline 
WA_P46CAR4_STR-PROVIDED_CAR sy-vline 
WA_P46CAR4_STR-REPLACED_CAR sy-vline 
WA_P46CAR4_STR-CONTROLLER sy-vline 
WA_P46CAR4_STR-REPLACED sy-vline 
WA_P46CAR4_STR-MULTIPLE_CAR_INDICATOR sy-vline 
WA_P46CAR4_STR-MULTIPLE_CARS sy-vline 
WA_P46CAR4_STR-CONTROLLER sy-vline 
WA_P46CAR4_STR-MAKE_AND_MODEL sy-vline 
WA_P46CAR4_STR-ENGINE_SIZE sy-vline 
WA_P46CAR4_STR-CONTROLLER sy-vline 
WA_P46CAR4_STR-CATEGORY sy-vline 
WA_P46CAR4_STR-CONTENT sy-vline 
WA_P46CAR4_STR-SECOND_CAR sy-vline 
WA_P46CAR4_STR-DIRECTOR sy-vline 
WA_P46CAR4_STR-CAR_WITHDRAWN sy-vline 
WA_P46CAR4_STR-CONTROLLER sy-vline 
WA_P46CAR4_STR-WITHDRAWN sy-vline 
WA_P46CAR4_STR-DATE_WITHDRAWN sy-vline 
WA_P46CAR4_STR-MAKE_AND_MODEL sy-vline 
WA_P46CAR4_STR-ENGINE_SIZE sy-vline 
WA_P46CAR4_STR-CONTROLLER sy-vline 
WA_P46CAR4_STR-CATEGORY sy-vline 
WA_P46CAR4_STR-CONTENT sy-vline 
WA_P46CAR4_STR-CAR_DETAILS sy-vline 
WA_P46CAR4_STR-CONTROLLER sy-vline 
WA_P46CAR4_STR-MAKE_AND_MODEL sy-vline 
WA_P46CAR4_STR-ENGINE_SIZE sy-vline 
WA_P46CAR4_STR-CONTROLLER sy-vline 
WA_P46CAR4_STR-CATEGORY sy-vline 
WA_P46CAR4_STR-CONTENT sy-vline 
WA_P46CAR4_STR-DATE_FIRST_REGISTERED sy-vline 
WA_P46CAR4_STR-FUEL_TYPE sy-vline 
WA_P46CAR4_STR-CO2EMISSIONS sy-vline 
WA_P46CAR4_STR-CONTROLLER sy-vline 
WA_P46CAR4_STR-CHOICE sy-vline 
WA_P46CAR4_STR-SELECTION sy-vline 
WA_P46CAR4_STR-CONTROLLER sy-vline 
WA_P46CAR4_STR-EMISSIONS sy-vline 
WA_P46CAR4_STR-BEFORE1998 sy-vline 
WA_P46CAR4_STR-NO_APPROVED sy-vline 
WA_P46CAR4_STR-MONETARY_DETAILS sy-vline 
WA_P46CAR4_STR-CONTROLLER sy-vline 
WA_P46CAR4_STR-CAR_PRICE sy-vline 
WA_P46CAR4_STR-CONTROLLER sy-vline 
WA_P46CAR4_STR-CURRENCY sy-vline 
WA_P46CAR4_STR-CONTENT sy-vline 
WA_P46CAR4_STR-ACCESSORIES_PRICE sy-vline 
WA_P46CAR4_STR-CONTROLLER sy-vline 
WA_P46CAR4_STR-CURRENCY sy-vline 
WA_P46CAR4_STR-CONTENT sy-vline 
WA_P46CAR4_STR-DATE_FIRST_AVAILABLE sy-vline 
WA_P46CAR4_STR-CAPITAL_CONTRIBUTIONS sy-vline 
WA_P46CAR4_STR-CONTROLLER sy-vline 
WA_P46CAR4_STR-CURRENCY sy-vline 
WA_P46CAR4_STR-CONTENT sy-vline 
WA_P46CAR4_STR-PRIVATE_USE_PAYMENT sy-vline 
WA_P46CAR4_STR-CONTROLLER sy-vline 
WA_P46CAR4_STR-BASE sy-vline 
WA_P46CAR4_STR-CONTROLLER sy-vline 
WA_P46CAR4_STR-CURRENCY sy-vline 
WA_P46CAR4_STR-CONTENT sy-vline 
WA_P46CAR4_STR-INTERVAL sy-vline 
WA_P46CAR4_STR-FUEL sy-vline 
WA_P46CAR4_STR-CONTROLLER sy-vline 
WA_P46CAR4_STR-PRIVATE_USE sy-vline 
WA_P46CAR4_STR-FUEL_PAID_BY_EMPLOYEE sy-vline      INTO ld_text SEPARATED BY SPACE.

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