ABAP Select data from SAP table EHFND_OD_PRODUCT_DECLARATION_3 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP EHFND_OD_PRODUCT_DECLARATION_3 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 EHFND_OD_PRODUCT_DECLARATION_3. 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 EHFND_OD_PRODUCT_DECLARATION_3 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_EHFND_OD_PRODUCT_DECLARATION_3 TYPE STANDARD TABLE OF EHFND_OD_PRODUCT_DECLARATION_3,
      WA_EHFND_OD_PRODUCT_DECLARATION_3 TYPE EHFND_OD_PRODUCT_DECLARATION_3,
      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: <EHFND_OD_PRODUCT_DECLARATION_3> TYPE EHFND_OD_PRODUCT_DECLARATION_3.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_EHFND_OD_PRODUCT_DECLARATION_3.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM EHFND_OD_PRODUCT_DECLARATION_3
  INTO TABLE IT_EHFND_OD_PRODUCT_DECLARATION_3.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EHFND_OD_PRODUCT_DECLARATION_3
*  INTO TABLE @DATA(IT_EHFND_OD_PRODUCT_DECLARATION_32).
*--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_EHFND_OD_PRODUCT_DECLARATION_3 INDEX 1 INTO DATA(WA_EHFND_OD_PRODUCT_DECLARATION_32).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_EHFND_OD_PRODUCT_DECLARATION_3 ASSIGNING <EHFND_OD_PRODUCT_DECLARATION_3>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EHFND_OD_PRODUCT_DECLARATION_3>-CONTROLLER = 1.
<EHFND_OD_PRODUCT_DECLARATION_3>-BASE = 1.
<EHFND_OD_PRODUCT_DECLARATION_3>-CONTROLLER = 1.
<EHFND_OD_PRODUCT_DECLARATION_3>-BASE = 1.
<EHFND_OD_PRODUCT_DECLARATION_3>-CONTROLLER = 1.

ENDLOOP.

LOOP AT IT_EHFND_OD_PRODUCT_DECLARATION_3 INTO WA_EHFND_OD_PRODUCT_DECLARATION_3.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EHFND_OD_PRODUCT_DECLARATION_3-BASE, sy-vline,
  WA_EHFND_OD_PRODUCT_DECLARATION_3-CONTROLLER, sy-vline,
  WA_EHFND_OD_PRODUCT_DECLARATION_3-MESSAGES, sy-vline,
  WA_EHFND_OD_PRODUCT_DECLARATION_3-CHOICE, sy-vline,
  WA_EHFND_OD_PRODUCT_DECLARATION_3-SELECTION, sy-vline,
  WA_EHFND_OD_PRODUCT_DECLARATION_3-CONTROLLER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EHFND_OD_PRODUCT_DECLARATION_3 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_EHFND_OD_PRODUCT_DECLARATION_3 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_EHFND_OD_PRODUCT_DECLARATION_3 INTO WA_EHFND_OD_PRODUCT_DECLARATION_3.


*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_EHFND_OD_PRODUCT_DECLARATION_3_STR, 
CONTROLLER TYPE STRING,
BASE TYPE STRING,
CONTROLLER TYPE STRING,
BASE TYPE STRING,
CONTROLLER TYPE STRING,
BASE TYPE STRING,
CONTROLLER TYPE STRING,
MESSAGES TYPE STRING,
CHOICE TYPE STRING,
SELECTION TYPE STRING,
CONTROLLER TYPE STRING,
SUPPLIER_ID TYPE STRING,
CONTROLLER TYPE STRING,
BUPA_ID TYPE STRING,
CUSTOMER_ID TYPE STRING,
CONTROLLER TYPE STRING,
BUPA_ID TYPE STRING,
COMPONENT_ID TYPE STRING,
CONTROLLER TYPE STRING,
SUPPLIER_ID TYPE STRING,
CONTROLLER TYPE STRING,
BUPA_ID TYPE STRING,
PRODUCT_ID TYPE STRING,
PRODUCT_REFERENCE_ID TYPE STRING,
CONTROLLER TYPE STRING,
CUSTOMER_ID TYPE STRING,
CONTROLLER TYPE STRING,
BUPA_ID TYPE STRING,
PRODUCT_ID TYPE STRING,
PRODUCT_ID TYPE STRING,
CONTROLLER TYPE STRING,
MPN TYPE STRING,
NAME TYPE STRING,
UPDATED TYPE STRING,
DECLARATION_STATUS TYPE STRING,
MPN TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EHFND_OD_PRODUCT_DECLARATION_3_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_EHFND_OD_PRODUCT_DECLARATION_3_STR-CONTROLLER sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_3_STR-BASE sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_3_STR-CONTROLLER sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_3_STR-BASE sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_3_STR-CONTROLLER sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_3_STR-BASE sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_3_STR-CONTROLLER sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_3_STR-MESSAGES sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_3_STR-CHOICE sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_3_STR-SELECTION sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_3_STR-CONTROLLER sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_3_STR-SUPPLIER_ID sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_3_STR-CONTROLLER sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_3_STR-BUPA_ID sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_3_STR-CUSTOMER_ID sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_3_STR-CONTROLLER sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_3_STR-BUPA_ID sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_3_STR-COMPONENT_ID sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_3_STR-CONTROLLER sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_3_STR-SUPPLIER_ID sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_3_STR-CONTROLLER sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_3_STR-BUPA_ID sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_3_STR-PRODUCT_ID sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_3_STR-PRODUCT_REFERENCE_ID sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_3_STR-CONTROLLER sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_3_STR-CUSTOMER_ID sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_3_STR-CONTROLLER sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_3_STR-BUPA_ID sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_3_STR-PRODUCT_ID sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_3_STR-PRODUCT_ID sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_3_STR-CONTROLLER sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_3_STR-MPN sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_3_STR-NAME sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_3_STR-UPDATED sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_3_STR-DECLARATION_STATUS sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_3_STR-MPN sy-vline      INTO ld_text SEPARATED BY SPACE.

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