ABAP Select data from SAP table EDO_MX_CANCEL_EDOC_REQUEST into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP EDO_MX_CANCEL_EDOC_REQUEST 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_MX_CANCEL_EDOC_REQUEST. 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_MX_CANCEL_EDOC_REQUEST 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_MX_CANCEL_EDOC_REQUEST TYPE STANDARD TABLE OF EDO_MX_CANCEL_EDOC_REQUEST,
      WA_EDO_MX_CANCEL_EDOC_REQUEST TYPE EDO_MX_CANCEL_EDOC_REQUEST,
      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_MX_CANCEL_EDOC_REQUEST> TYPE EDO_MX_CANCEL_EDOC_REQUEST.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EDO_MX_CANCEL_EDOC_REQUEST
*  INTO TABLE @DATA(IT_EDO_MX_CANCEL_EDOC_REQUEST2).
*--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_MX_CANCEL_EDOC_REQUEST INDEX 1 INTO DATA(WA_EDO_MX_CANCEL_EDOC_REQUEST2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EDO_MX_CANCEL_EDOC_REQUEST>-CONTROLLER = 1.
<EDO_MX_CANCEL_EDOC_REQUEST>-EMISOR = 1.
<EDO_MX_CANCEL_EDOC_REQUEST>-CONTROLLER = 1.
<EDO_MX_CANCEL_EDOC_REQUEST>-RFC = 1.
<EDO_MX_CANCEL_EDOC_REQUEST>-TRANSACCION = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EDO_MX_CANCEL_EDOC_REQUEST-CONTROLLER, sy-vline,
  WA_EDO_MX_CANCEL_EDOC_REQUEST-ID, sy-vline,
  WA_EDO_MX_CANCEL_EDOC_REQUEST-TIPO, sy-vline,
  WA_EDO_MX_CANCEL_EDOC_REQUEST-RECEPTOR, sy-vline,
  WA_EDO_MX_CANCEL_EDOC_REQUEST-CONTROLLER, sy-vline,
  WA_EDO_MX_CANCEL_EDOC_REQUEST-RFC, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EDO_MX_CANCEL_EDOC_REQUEST 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_MX_CANCEL_EDOC_REQUEST 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_MX_CANCEL_EDOC_REQUEST INTO WA_EDO_MX_CANCEL_EDOC_REQUEST.


*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_MX_CANCEL_EDOC_REQUEST_STR, 
CONTROLLER TYPE STRING,
EMISOR TYPE STRING,
CONTROLLER TYPE STRING,
RFC TYPE STRING,
TRANSACCION TYPE STRING,
CONTROLLER TYPE STRING,
ID TYPE STRING,
TIPO TYPE STRING,
RECEPTOR TYPE STRING,
CONTROLLER TYPE STRING,
RFC TYPE STRING,
EMAIL_RECEPTOR TYPE STRING,
CODIGO_RECEPTOR TYPE STRING,
CFD TYPE STRING,
CONTROLLER TYPE STRING,
SERIE TYPE STRING,
FOLIO TYPE STRING,
UUID TYPE STRING,
FECHA_CANCELACION TYPE STRING,
COMPANY_CODE TYPE STRING,
VERSION TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EDO_MX_CANCEL_EDOC_REQUEST_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_MX_CANCEL_EDOC_REQUEST_STR-CONTROLLER sy-vline 
WA_EDO_MX_CANCEL_EDOC_REQUEST_STR-EMISOR sy-vline 
WA_EDO_MX_CANCEL_EDOC_REQUEST_STR-CONTROLLER sy-vline 
WA_EDO_MX_CANCEL_EDOC_REQUEST_STR-RFC sy-vline 
WA_EDO_MX_CANCEL_EDOC_REQUEST_STR-TRANSACCION sy-vline 
WA_EDO_MX_CANCEL_EDOC_REQUEST_STR-CONTROLLER sy-vline 
WA_EDO_MX_CANCEL_EDOC_REQUEST_STR-ID sy-vline 
WA_EDO_MX_CANCEL_EDOC_REQUEST_STR-TIPO sy-vline 
WA_EDO_MX_CANCEL_EDOC_REQUEST_STR-RECEPTOR sy-vline 
WA_EDO_MX_CANCEL_EDOC_REQUEST_STR-CONTROLLER sy-vline 
WA_EDO_MX_CANCEL_EDOC_REQUEST_STR-RFC sy-vline 
WA_EDO_MX_CANCEL_EDOC_REQUEST_STR-EMAIL_RECEPTOR sy-vline 
WA_EDO_MX_CANCEL_EDOC_REQUEST_STR-CODIGO_RECEPTOR sy-vline 
WA_EDO_MX_CANCEL_EDOC_REQUEST_STR-CFD sy-vline 
WA_EDO_MX_CANCEL_EDOC_REQUEST_STR-CONTROLLER sy-vline 
WA_EDO_MX_CANCEL_EDOC_REQUEST_STR-SERIE sy-vline 
WA_EDO_MX_CANCEL_EDOC_REQUEST_STR-FOLIO sy-vline 
WA_EDO_MX_CANCEL_EDOC_REQUEST_STR-UUID sy-vline 
WA_EDO_MX_CANCEL_EDOC_REQUEST_STR-FECHA_CANCELACION sy-vline 
WA_EDO_MX_CANCEL_EDOC_REQUEST_STR-COMPANY_CODE sy-vline 
WA_EDO_MX_CANCEL_EDOC_REQUEST_STR-VERSION sy-vline      INTO ld_text SEPARATED BY SPACE.

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