ABAP Select data from SAP table EHFND_OD_GET_DECLARATION_BY_U1 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_GET_DECLARATION_BY_U1 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_GET_DECLARATION_BY_U1. 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_GET_DECLARATION_BY_U1 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_GET_DECLARATION_BY_U1 TYPE STANDARD TABLE OF EHFND_OD_GET_DECLARATION_BY_U1,
      WA_EHFND_OD_GET_DECLARATION_BY_U1 TYPE EHFND_OD_GET_DECLARATION_BY_U1,
      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_GET_DECLARATION_BY_U1> TYPE EHFND_OD_GET_DECLARATION_BY_U1.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_EHFND_OD_GET_DECLARATION_BY_U1.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM EHFND_OD_GET_DECLARATION_BY_U1
  INTO TABLE IT_EHFND_OD_GET_DECLARATION_BY_U1.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EHFND_OD_GET_DECLARATION_BY_U1
*  INTO TABLE @DATA(IT_EHFND_OD_GET_DECLARATION_BY_U12).
*--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_GET_DECLARATION_BY_U1 INDEX 1 INTO DATA(WA_EHFND_OD_GET_DECLARATION_BY_U12).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_EHFND_OD_GET_DECLARATION_BY_U1 ASSIGNING <EHFND_OD_GET_DECLARATION_BY_U1>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EHFND_OD_GET_DECLARATION_BY_U1>-CONTROLLER = 1.
<EHFND_OD_GET_DECLARATION_BY_U1>-PARAMETERS = 1.
<EHFND_OD_GET_DECLARATION_BY_U1>-CONTROLLER = 1.
<EHFND_OD_GET_DECLARATION_BY_U1>-RETURN = 1.
<EHFND_OD_GET_DECLARATION_BY_U1>-CONTROLLER = 1.

ENDLOOP.

LOOP AT IT_EHFND_OD_GET_DECLARATION_BY_U1 INTO WA_EHFND_OD_GET_DECLARATION_BY_U1.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EHFND_OD_GET_DECLARATION_BY_U1-BASE, sy-vline,
  WA_EHFND_OD_GET_DECLARATION_BY_U1-CONTROLLER, sy-vline,
  WA_EHFND_OD_GET_DECLARATION_BY_U1-BASE, sy-vline,
  WA_EHFND_OD_GET_DECLARATION_BY_U1-CONTROLLER, sy-vline,
  WA_EHFND_OD_GET_DECLARATION_BY_U1-ID, sy-vline,
  WA_EHFND_OD_GET_DECLARATION_BY_U1-VERSION, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EHFND_OD_GET_DECLARATION_BY_U1 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_GET_DECLARATION_BY_U1 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_GET_DECLARATION_BY_U1 INTO WA_EHFND_OD_GET_DECLARATION_BY_U1.


*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_GET_DECLARATION_BY_U1_STR, 
CONTROLLER TYPE STRING,
PARAMETERS TYPE STRING,
CONTROLLER TYPE STRING,
RETURN 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,
ASSIGNED TYPE STRING,
ATTACHMENTS TYPE STRING,
COMPLIANCE_DECLARATIONS TYPE STRING,
CONTROLLER TYPE STRING,
ENTRY TYPE STRING,
COUNT_CPN TYPE STRING,
COUNT_COMMENT TYPE STRING,
COUNT_DOC TYPE STRING,
CPN TYPE STRING,
DECLARATION_TYPE TYPE STRING,
DEPRECATED TYPE STRING,
DPN TYPE STRING,
IN_REQUEST TYPE STRING,
MANUFACTURER_NAME TYPE STRING,
MPN TYPE STRING,
NAME TYPE STRING,
OWNER_COMPANY_PROFILE TYPE STRING,
CONTROLLER TYPE STRING,
BASE 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,
ADDRESS TYPE STRING,
CONTROLLER TYPE STRING,
BASE TYPE STRING,
CONTROLLER TYPE STRING,
ID TYPE STRING,
VERSION TYPE STRING,
CITY TYPE STRING,
COUNTRY_CODE TYPE STRING,
HOUSE_ID TYPE STRING,
POSTAL_CODE TYPE STRING,
STREET_NAME TYPE STRING,
WEB TYPE STRING,
CUSTOMER_STATUS TYPE STRING,
CUSTOMER_STATUS_UPDATED TYPE STRING,
LOGO_UUID TYPE STRING,
CONTROLLER TYPE STRING,
UUID_STR TYPE STRING,
NAME TYPE STRING,
STUB TYPE STRING,
SUPPLIER_STATUS TYPE STRING,
SUPPLIER_STATUS_UPDATED TYPE STRING,
REQUESTS TYPE STRING,
STATUS_KEY TYPE STRING,
UNIT TYPE STRING,
UNIT_DESCRIPTION TYPE STRING,
WEIGHT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EHFND_OD_GET_DECLARATION_BY_U1_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_GET_DECLARATION_BY_U1_STR-CONTROLLER sy-vline 
WA_EHFND_OD_GET_DECLARATION_BY_U1_STR-PARAMETERS sy-vline 
WA_EHFND_OD_GET_DECLARATION_BY_U1_STR-CONTROLLER sy-vline 
WA_EHFND_OD_GET_DECLARATION_BY_U1_STR-RETURN sy-vline 
WA_EHFND_OD_GET_DECLARATION_BY_U1_STR-CONTROLLER sy-vline 
WA_EHFND_OD_GET_DECLARATION_BY_U1_STR-BASE sy-vline 
WA_EHFND_OD_GET_DECLARATION_BY_U1_STR-CONTROLLER sy-vline 
WA_EHFND_OD_GET_DECLARATION_BY_U1_STR-BASE sy-vline 
WA_EHFND_OD_GET_DECLARATION_BY_U1_STR-CONTROLLER sy-vline 
WA_EHFND_OD_GET_DECLARATION_BY_U1_STR-ID sy-vline 
WA_EHFND_OD_GET_DECLARATION_BY_U1_STR-VERSION sy-vline 
WA_EHFND_OD_GET_DECLARATION_BY_U1_STR-CREATED sy-vline 
WA_EHFND_OD_GET_DECLARATION_BY_U1_STR-CREATED_USER sy-vline 
WA_EHFND_OD_GET_DECLARATION_BY_U1_STR-OWNER_COMPANY_PROFILE_UUID sy-vline 
WA_EHFND_OD_GET_DECLARATION_BY_U1_STR-UPDATED sy-vline 
WA_EHFND_OD_GET_DECLARATION_BY_U1_STR-UPDATED_USER sy-vline 
WA_EHFND_OD_GET_DECLARATION_BY_U1_STR-UUID sy-vline 
WA_EHFND_OD_GET_DECLARATION_BY_U1_STR-ASSIGNED sy-vline 
WA_EHFND_OD_GET_DECLARATION_BY_U1_STR-ATTACHMENTS sy-vline 
WA_EHFND_OD_GET_DECLARATION_BY_U1_STR-COMPLIANCE_DECLARATIONS sy-vline 
WA_EHFND_OD_GET_DECLARATION_BY_U1_STR-CONTROLLER sy-vline 
WA_EHFND_OD_GET_DECLARATION_BY_U1_STR-ENTRY sy-vline 
WA_EHFND_OD_GET_DECLARATION_BY_U1_STR-COUNT_CPN sy-vline 
WA_EHFND_OD_GET_DECLARATION_BY_U1_STR-COUNT_COMMENT sy-vline 
WA_EHFND_OD_GET_DECLARATION_BY_U1_STR-COUNT_DOC sy-vline 
WA_EHFND_OD_GET_DECLARATION_BY_U1_STR-CPN sy-vline 
WA_EHFND_OD_GET_DECLARATION_BY_U1_STR-DECLARATION_TYPE sy-vline 
WA_EHFND_OD_GET_DECLARATION_BY_U1_STR-DEPRECATED sy-vline 
WA_EHFND_OD_GET_DECLARATION_BY_U1_STR-DPN sy-vline 
WA_EHFND_OD_GET_DECLARATION_BY_U1_STR-IN_REQUEST sy-vline 
WA_EHFND_OD_GET_DECLARATION_BY_U1_STR-MANUFACTURER_NAME sy-vline 
WA_EHFND_OD_GET_DECLARATION_BY_U1_STR-MPN sy-vline 
WA_EHFND_OD_GET_DECLARATION_BY_U1_STR-NAME sy-vline 
WA_EHFND_OD_GET_DECLARATION_BY_U1_STR-OWNER_COMPANY_PROFILE sy-vline 
WA_EHFND_OD_GET_DECLARATION_BY_U1_STR-CONTROLLER sy-vline 
WA_EHFND_OD_GET_DECLARATION_BY_U1_STR-BASE sy-vline 
WA_EHFND_OD_GET_DECLARATION_BY_U1_STR-CONTROLLER sy-vline 
WA_EHFND_OD_GET_DECLARATION_BY_U1_STR-BASE sy-vline 
WA_EHFND_OD_GET_DECLARATION_BY_U1_STR-CONTROLLER sy-vline 
WA_EHFND_OD_GET_DECLARATION_BY_U1_STR-BASE sy-vline 
WA_EHFND_OD_GET_DECLARATION_BY_U1_STR-CONTROLLER sy-vline 
WA_EHFND_OD_GET_DECLARATION_BY_U1_STR-ID sy-vline 
WA_EHFND_OD_GET_DECLARATION_BY_U1_STR-VERSION sy-vline 
WA_EHFND_OD_GET_DECLARATION_BY_U1_STR-CREATED sy-vline 
WA_EHFND_OD_GET_DECLARATION_BY_U1_STR-CREATED_USER sy-vline 
WA_EHFND_OD_GET_DECLARATION_BY_U1_STR-OWNER_COMPANY_PROFILE_UUID sy-vline 
WA_EHFND_OD_GET_DECLARATION_BY_U1_STR-UPDATED sy-vline 
WA_EHFND_OD_GET_DECLARATION_BY_U1_STR-UPDATED_USER sy-vline 
WA_EHFND_OD_GET_DECLARATION_BY_U1_STR-UUID sy-vline 
WA_EHFND_OD_GET_DECLARATION_BY_U1_STR-ADDRESS sy-vline 
WA_EHFND_OD_GET_DECLARATION_BY_U1_STR-CONTROLLER sy-vline 
WA_EHFND_OD_GET_DECLARATION_BY_U1_STR-BASE sy-vline 
WA_EHFND_OD_GET_DECLARATION_BY_U1_STR-CONTROLLER sy-vline 
WA_EHFND_OD_GET_DECLARATION_BY_U1_STR-ID sy-vline 
WA_EHFND_OD_GET_DECLARATION_BY_U1_STR-VERSION sy-vline 
WA_EHFND_OD_GET_DECLARATION_BY_U1_STR-CITY sy-vline 
WA_EHFND_OD_GET_DECLARATION_BY_U1_STR-COUNTRY_CODE sy-vline 
WA_EHFND_OD_GET_DECLARATION_BY_U1_STR-HOUSE_ID sy-vline 
WA_EHFND_OD_GET_DECLARATION_BY_U1_STR-POSTAL_CODE sy-vline 
WA_EHFND_OD_GET_DECLARATION_BY_U1_STR-STREET_NAME sy-vline 
WA_EHFND_OD_GET_DECLARATION_BY_U1_STR-WEB sy-vline 
WA_EHFND_OD_GET_DECLARATION_BY_U1_STR-CUSTOMER_STATUS sy-vline 
WA_EHFND_OD_GET_DECLARATION_BY_U1_STR-CUSTOMER_STATUS_UPDATED sy-vline 
WA_EHFND_OD_GET_DECLARATION_BY_U1_STR-LOGO_UUID sy-vline 
WA_EHFND_OD_GET_DECLARATION_BY_U1_STR-CONTROLLER sy-vline 
WA_EHFND_OD_GET_DECLARATION_BY_U1_STR-UUID_STR sy-vline 
WA_EHFND_OD_GET_DECLARATION_BY_U1_STR-NAME sy-vline 
WA_EHFND_OD_GET_DECLARATION_BY_U1_STR-STUB sy-vline 
WA_EHFND_OD_GET_DECLARATION_BY_U1_STR-SUPPLIER_STATUS sy-vline 
WA_EHFND_OD_GET_DECLARATION_BY_U1_STR-SUPPLIER_STATUS_UPDATED sy-vline 
WA_EHFND_OD_GET_DECLARATION_BY_U1_STR-REQUESTS sy-vline 
WA_EHFND_OD_GET_DECLARATION_BY_U1_STR-STATUS_KEY sy-vline 
WA_EHFND_OD_GET_DECLARATION_BY_U1_STR-UNIT sy-vline 
WA_EHFND_OD_GET_DECLARATION_BY_U1_STR-UNIT_DESCRIPTION sy-vline 
WA_EHFND_OD_GET_DECLARATION_BY_U1_STR-WEIGHT sy-vline      INTO ld_text SEPARATED BY SPACE.

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