ABAP Select data from SAP table EDO_TW_A0401RESPONSE into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP EDO_TW_A0401RESPONSE 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 EDO_TW_A0401RESPONSE. 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 EDO_TW_A0401RESPONSE 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_EDO_TW_A0401RESPONSE TYPE STANDARD TABLE OF EDO_TW_A0401RESPONSE,
      WA_EDO_TW_A0401RESPONSE TYPE EDO_TW_A0401RESPONSE,
      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: <EDO_TW_A0401RESPONSE> TYPE EDO_TW_A0401RESPONSE.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_EDO_TW_A0401RESPONSE.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM EDO_TW_A0401RESPONSE
  INTO TABLE IT_EDO_TW_A0401RESPONSE.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EDO_TW_A0401RESPONSE
*  INTO TABLE @DATA(IT_EDO_TW_A0401RESPONSE2).
*--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_EDO_TW_A0401RESPONSE INDEX 1 INTO DATA(WA_EDO_TW_A0401RESPONSE2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_EDO_TW_A0401RESPONSE ASSIGNING <EDO_TW_A0401RESPONSE>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EDO_TW_A0401RESPONSE>-CONTROLLER = 1.
<EDO_TW_A0401RESPONSE>-MAIN = 1.
<EDO_TW_A0401RESPONSE>-CONTROLLER = 1.
<EDO_TW_A0401RESPONSE>-INVOICE_NUMBER = 1.
<EDO_TW_A0401RESPONSE>-INVOICE_DATE = 1.

ENDLOOP.

LOOP AT IT_EDO_TW_A0401RESPONSE INTO WA_EDO_TW_A0401RESPONSE.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EDO_TW_A0401RESPONSE-INVOICE_TIME, sy-vline,
  WA_EDO_TW_A0401RESPONSE-SELLER, sy-vline,
  WA_EDO_TW_A0401RESPONSE-CONTROLLER, sy-vline,
  WA_EDO_TW_A0401RESPONSE-IDENTIFIER, sy-vline,
  WA_EDO_TW_A0401RESPONSE-NAME, sy-vline,
  WA_EDO_TW_A0401RESPONSE-ADDRESS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EDO_TW_A0401RESPONSE 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_EDO_TW_A0401RESPONSE 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_EDO_TW_A0401RESPONSE INTO WA_EDO_TW_A0401RESPONSE.


*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_EDO_TW_A0401RESPONSE_STR, 
CONTROLLER TYPE STRING,
MAIN TYPE STRING,
CONTROLLER TYPE STRING,
INVOICE_NUMBER TYPE STRING,
INVOICE_DATE TYPE STRING,
INVOICE_TIME TYPE STRING,
SELLER TYPE STRING,
CONTROLLER TYPE STRING,
IDENTIFIER TYPE STRING,
NAME TYPE STRING,
ADDRESS TYPE STRING,
PERSON_IN_CHARGE TYPE STRING,
TELEPHONE_NUMBER TYPE STRING,
FACSIMILE_NUMBER TYPE STRING,
EMAIL_ADDRESS TYPE STRING,
CUSTOMER_NUMBER TYPE STRING,
ROLE_REMARK TYPE STRING,
BUYER TYPE STRING,
CONTROLLER TYPE STRING,
IDENTIFIER TYPE STRING,
NAME TYPE STRING,
ADDRESS TYPE STRING,
PERSON_IN_CHARGE TYPE STRING,
TELEPHONE_NUMBER TYPE STRING,
FACSIMILE_NUMBER TYPE STRING,
EMAIL_ADDRESS TYPE STRING,
CUSTOMER_NUMBER TYPE STRING,
ROLE_REMARK TYPE STRING,
CHECK_NUMBER TYPE STRING,
BUYER_REMARK TYPE STRING,
MAIN_REMARK TYPE STRING,
CUSTOMS_CLEARANCE_MARK TYPE STRING,
CATEGORY TYPE STRING,
RELATE_NUMBER TYPE STRING,
INVOICE_TYPE TYPE STRING,
GROUP_MARK TYPE STRING,
DONATE_MARK TYPE STRING,
BONDED_AREA_CONFIRM TYPE STRING,
ATTACHMENT TYPE STRING,
DETAILS TYPE STRING,
CONTROLLER TYPE STRING,
PRODUCT_ITEM TYPE STRING,
AMOUNT TYPE STRING,
CONTROLLER TYPE STRING,
SALES_AMOUNT TYPE STRING,
TAX_TYPE TYPE STRING,
TAX_RATE TYPE STRING,
TAX_AMOUNT TYPE STRING,
TOTAL_AMOUNT TYPE STRING,
DISCOUNT_AMOUNT TYPE STRING,
ORIGINAL_CURRENCY_AMOUNT TYPE STRING,
EXCHANGE_RATE TYPE STRING,
CURRENCY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EDO_TW_A0401RESPONSE_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_EDO_TW_A0401RESPONSE_STR-CONTROLLER sy-vline 
WA_EDO_TW_A0401RESPONSE_STR-MAIN sy-vline 
WA_EDO_TW_A0401RESPONSE_STR-CONTROLLER sy-vline 
WA_EDO_TW_A0401RESPONSE_STR-INVOICE_NUMBER sy-vline 
WA_EDO_TW_A0401RESPONSE_STR-INVOICE_DATE sy-vline 
WA_EDO_TW_A0401RESPONSE_STR-INVOICE_TIME sy-vline 
WA_EDO_TW_A0401RESPONSE_STR-SELLER sy-vline 
WA_EDO_TW_A0401RESPONSE_STR-CONTROLLER sy-vline 
WA_EDO_TW_A0401RESPONSE_STR-IDENTIFIER sy-vline 
WA_EDO_TW_A0401RESPONSE_STR-NAME sy-vline 
WA_EDO_TW_A0401RESPONSE_STR-ADDRESS sy-vline 
WA_EDO_TW_A0401RESPONSE_STR-PERSON_IN_CHARGE sy-vline 
WA_EDO_TW_A0401RESPONSE_STR-TELEPHONE_NUMBER sy-vline 
WA_EDO_TW_A0401RESPONSE_STR-FACSIMILE_NUMBER sy-vline 
WA_EDO_TW_A0401RESPONSE_STR-EMAIL_ADDRESS sy-vline 
WA_EDO_TW_A0401RESPONSE_STR-CUSTOMER_NUMBER sy-vline 
WA_EDO_TW_A0401RESPONSE_STR-ROLE_REMARK sy-vline 
WA_EDO_TW_A0401RESPONSE_STR-BUYER sy-vline 
WA_EDO_TW_A0401RESPONSE_STR-CONTROLLER sy-vline 
WA_EDO_TW_A0401RESPONSE_STR-IDENTIFIER sy-vline 
WA_EDO_TW_A0401RESPONSE_STR-NAME sy-vline 
WA_EDO_TW_A0401RESPONSE_STR-ADDRESS sy-vline 
WA_EDO_TW_A0401RESPONSE_STR-PERSON_IN_CHARGE sy-vline 
WA_EDO_TW_A0401RESPONSE_STR-TELEPHONE_NUMBER sy-vline 
WA_EDO_TW_A0401RESPONSE_STR-FACSIMILE_NUMBER sy-vline 
WA_EDO_TW_A0401RESPONSE_STR-EMAIL_ADDRESS sy-vline 
WA_EDO_TW_A0401RESPONSE_STR-CUSTOMER_NUMBER sy-vline 
WA_EDO_TW_A0401RESPONSE_STR-ROLE_REMARK sy-vline 
WA_EDO_TW_A0401RESPONSE_STR-CHECK_NUMBER sy-vline 
WA_EDO_TW_A0401RESPONSE_STR-BUYER_REMARK sy-vline 
WA_EDO_TW_A0401RESPONSE_STR-MAIN_REMARK sy-vline 
WA_EDO_TW_A0401RESPONSE_STR-CUSTOMS_CLEARANCE_MARK sy-vline 
WA_EDO_TW_A0401RESPONSE_STR-CATEGORY sy-vline 
WA_EDO_TW_A0401RESPONSE_STR-RELATE_NUMBER sy-vline 
WA_EDO_TW_A0401RESPONSE_STR-INVOICE_TYPE sy-vline 
WA_EDO_TW_A0401RESPONSE_STR-GROUP_MARK sy-vline 
WA_EDO_TW_A0401RESPONSE_STR-DONATE_MARK sy-vline 
WA_EDO_TW_A0401RESPONSE_STR-BONDED_AREA_CONFIRM sy-vline 
WA_EDO_TW_A0401RESPONSE_STR-ATTACHMENT sy-vline 
WA_EDO_TW_A0401RESPONSE_STR-DETAILS sy-vline 
WA_EDO_TW_A0401RESPONSE_STR-CONTROLLER sy-vline 
WA_EDO_TW_A0401RESPONSE_STR-PRODUCT_ITEM sy-vline 
WA_EDO_TW_A0401RESPONSE_STR-AMOUNT sy-vline 
WA_EDO_TW_A0401RESPONSE_STR-CONTROLLER sy-vline 
WA_EDO_TW_A0401RESPONSE_STR-SALES_AMOUNT sy-vline 
WA_EDO_TW_A0401RESPONSE_STR-TAX_TYPE sy-vline 
WA_EDO_TW_A0401RESPONSE_STR-TAX_RATE sy-vline 
WA_EDO_TW_A0401RESPONSE_STR-TAX_AMOUNT sy-vline 
WA_EDO_TW_A0401RESPONSE_STR-TOTAL_AMOUNT sy-vline 
WA_EDO_TW_A0401RESPONSE_STR-DISCOUNT_AMOUNT sy-vline 
WA_EDO_TW_A0401RESPONSE_STR-ORIGINAL_CURRENCY_AMOUNT sy-vline 
WA_EDO_TW_A0401RESPONSE_STR-EXCHANGE_RATE sy-vline 
WA_EDO_TW_A0401RESPONSE_STR-CURRENCY sy-vline      INTO ld_text SEPARATED BY SPACE.

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