ABAP Select data from SAP table EHFND_OD_PRODUCT_DECLARATION_1 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_1 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_1. 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_1 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_1 TYPE STANDARD TABLE OF EHFND_OD_PRODUCT_DECLARATION_1,
      WA_EHFND_OD_PRODUCT_DECLARATION_1 TYPE EHFND_OD_PRODUCT_DECLARATION_1,
      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_1> TYPE EHFND_OD_PRODUCT_DECLARATION_1.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_EHFND_OD_PRODUCT_DECLARATION_1.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM EHFND_OD_PRODUCT_DECLARATION_1
  INTO TABLE IT_EHFND_OD_PRODUCT_DECLARATION_1.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EHFND_OD_PRODUCT_DECLARATION_1
*  INTO TABLE @DATA(IT_EHFND_OD_PRODUCT_DECLARATION_12).
*--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_1 INDEX 1 INTO DATA(WA_EHFND_OD_PRODUCT_DECLARATION_12).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_EHFND_OD_PRODUCT_DECLARATION_1 ASSIGNING <EHFND_OD_PRODUCT_DECLARATION_1>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EHFND_OD_PRODUCT_DECLARATION_1>-CONTROLLER = 1.
<EHFND_OD_PRODUCT_DECLARATION_1>-KEY = 1.
<EHFND_OD_PRODUCT_DECLARATION_1>-VALUE = 1.
<EHFND_OD_PRODUCT_DECLARATION_1>-CONTROLLER = 1.
<EHFND_OD_PRODUCT_DECLARATION_1>-BASE = 1.

ENDLOOP.

LOOP AT IT_EHFND_OD_PRODUCT_DECLARATION_1 INTO WA_EHFND_OD_PRODUCT_DECLARATION_1.
*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_1-CONTROLLER, sy-vline,
  WA_EHFND_OD_PRODUCT_DECLARATION_1-BASE, sy-vline,
  WA_EHFND_OD_PRODUCT_DECLARATION_1-CONTROLLER, sy-vline,
  WA_EHFND_OD_PRODUCT_DECLARATION_1-ID, sy-vline,
  WA_EHFND_OD_PRODUCT_DECLARATION_1-VERSION, sy-vline,
  WA_EHFND_OD_PRODUCT_DECLARATION_1-CREATED, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EHFND_OD_PRODUCT_DECLARATION_1 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_1 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_1 INTO WA_EHFND_OD_PRODUCT_DECLARATION_1.


*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_1_STR, 
CONTROLLER TYPE STRING,
KEY TYPE STRING,
VALUE TYPE STRING,
CONTROLLER TYPE STRING,
BASE TYPE STRING,
CONTROLLER TYPE STRING,
BASE TYPE STRING,
CONTROLLER TYPE STRING,
ID TYPE STRING,
VERSION TYPE STRING,
CREATED TYPE STRING,
CREATED_USER TYPE STRING,
OWNER_COMPANY_PROFILE_UUID TYPE STRING,
UPDATED TYPE STRING,
UPDATED_USER TYPE STRING,
UUID TYPE STRING,
ATTACHMENT_CNT TYPE STRING,
ATTACHMENTS TYPE STRING,
COMMENT TYPE STRING,
CONTROLLER TYPE STRING,
BASE TYPE STRING,
CONTROLLER TYPE STRING,
ID TYPE STRING,
VERSION TYPE STRING,
COMMENT_TEXT TYPE STRING,
LAST_CHANGED_DATE TYPE STRING,
LAST_EDITOR TYPE STRING,
COMMENT_CNT TYPE STRING,
DEC_LIST TYPE STRING,
CONTROLLER TYPE STRING,
BASE TYPE STRING,
CONTROLLER TYPE STRING,
BASE TYPE STRING,
CONTROLLER TYPE STRING,
ID TYPE STRING,
VERSION TYPE STRING,
CREATED TYPE STRING,
CREATED_USER TYPE STRING,
OWNER_COMPANY_PROFILE_UUID TYPE STRING,
UPDATED TYPE STRING,
UPDATED_USER TYPE STRING,
UUID TYPE STRING,
DESCRIPTION TYPE STRING,
EXEMPTION_CNT TYPE STRING,
EXEMPTIONS TYPE STRING,
LIST_VERSION TYPE STRING,
LIST_VERSION_UUID TYPE STRING,
NAME TYPE STRING,
SUBSTANCE_CNT TYPE STRING,
TYPE TYPE STRING,
DECLARABLE_STATE_KEY TYPE STRING,
DELETED_ATTACHMENT_UUIDS TYPE STRING,
EXEMPTION_CNT TYPE STRING,
SUBSTANCE_DECLARATIONS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EHFND_OD_PRODUCT_DECLARATION_1_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_1_STR-CONTROLLER sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_1_STR-KEY sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_1_STR-VALUE sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_1_STR-CONTROLLER sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_1_STR-BASE sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_1_STR-CONTROLLER sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_1_STR-BASE sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_1_STR-CONTROLLER sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_1_STR-ID sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_1_STR-VERSION sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_1_STR-CREATED sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_1_STR-CREATED_USER sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_1_STR-OWNER_COMPANY_PROFILE_UUID sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_1_STR-UPDATED sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_1_STR-UPDATED_USER sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_1_STR-UUID sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_1_STR-ATTACHMENT_CNT sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_1_STR-ATTACHMENTS sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_1_STR-COMMENT sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_1_STR-CONTROLLER sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_1_STR-BASE sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_1_STR-CONTROLLER sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_1_STR-ID sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_1_STR-VERSION sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_1_STR-COMMENT_TEXT sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_1_STR-LAST_CHANGED_DATE sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_1_STR-LAST_EDITOR sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_1_STR-COMMENT_CNT sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_1_STR-DEC_LIST sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_1_STR-CONTROLLER sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_1_STR-BASE sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_1_STR-CONTROLLER sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_1_STR-BASE sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_1_STR-CONTROLLER sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_1_STR-ID sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_1_STR-VERSION sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_1_STR-CREATED sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_1_STR-CREATED_USER sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_1_STR-OWNER_COMPANY_PROFILE_UUID sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_1_STR-UPDATED sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_1_STR-UPDATED_USER sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_1_STR-UUID sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_1_STR-DESCRIPTION sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_1_STR-EXEMPTION_CNT sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_1_STR-EXEMPTIONS sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_1_STR-LIST_VERSION sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_1_STR-LIST_VERSION_UUID sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_1_STR-NAME sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_1_STR-SUBSTANCE_CNT sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_1_STR-TYPE sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_1_STR-DECLARABLE_STATE_KEY sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_1_STR-DELETED_ATTACHMENT_UUIDS sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_1_STR-EXEMPTION_CNT sy-vline 
WA_EHFND_OD_PRODUCT_DECLARATION_1_STR-SUBSTANCE_DECLARATIONS sy-vline      INTO ld_text SEPARATED BY SPACE.

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