ABAP Select data from SAP table J_1BNFE_S_CANCEL into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP J_1BNFE_S_CANCEL 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 J_1BNFE_S_CANCEL. 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 J_1BNFE_S_CANCEL 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_J_1BNFE_S_CANCEL TYPE STANDARD TABLE OF J_1BNFE_S_CANCEL,
      WA_J_1BNFE_S_CANCEL TYPE J_1BNFE_S_CANCEL,
      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: <J_1BNFE_S_CANCEL> TYPE J_1BNFE_S_CANCEL.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_J_1BNFE_S_CANCEL.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM J_1BNFE_S_CANCEL
  INTO TABLE IT_J_1BNFE_S_CANCEL.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM J_1BNFE_S_CANCEL
*  INTO TABLE @DATA(IT_J_1BNFE_S_CANCEL2).
*--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_J_1BNFE_S_CANCEL INDEX 1 INTO DATA(WA_J_1BNFE_S_CANCEL2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_J_1BNFE_S_CANCEL ASSIGNING <J_1BNFE_S_CANCEL>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<J_1BNFE_S_CANCEL>-DOCNUM = 1.
<J_1BNFE_S_CANCEL>-ACCESSKEY = 1.
<J_1BNFE_S_CANCEL>-EVENT_TYPE = 1.
<J_1BNFE_S_CANCEL>-SEQNUM = 1.
<J_1BNFE_S_CANCEL>-OFFSEQNUM = 1.

ENDLOOP.

LOOP AT IT_J_1BNFE_S_CANCEL INTO WA_J_1BNFE_S_CANCEL.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_J_1BNFE_S_CANCEL-TIMESTAMP, sy-vline,
  WA_J_1BNFE_S_CANCEL-TIMEZONE, sy-vline,
  WA_J_1BNFE_S_CANCEL-REASON, sy-vline,
  WA_J_1BNFE_S_CANCEL-TPAMB, sy-vline,
  WA_J_1BNFE_S_CANCEL-DHEVENT, sy-vline,
  WA_J_1BNFE_S_CANCEL-NPROT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_J_1BNFE_S_CANCEL 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_J_1BNFE_S_CANCEL 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_J_1BNFE_S_CANCEL INTO WA_J_1BNFE_S_CANCEL.


*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_J_1BNFE_S_CANCEL_STR, 
DOCNUM TYPE STRING,
ACCESSKEY TYPE STRING,
EVENT_TYPE TYPE STRING,
SEQNUM TYPE STRING,
OFFSEQNUM TYPE STRING,
TIMESTAMP TYPE STRING,
TIMEZONE TYPE STRING,
REASON TYPE STRING,
TPAMB TYPE STRING,
DHEVENT TYPE STRING,
NPROT TYPE STRING,
UF TYPE STRING,
B2B TYPE STRING,
CNPJ TYPE STRING,
NOME_FANTASIA TYPE STRING,
ENDERECO TYPE STRING,
CIDADE TYPE STRING,
TELEFONE TYPE STRING,
EMAILDEST TYPE STRING,
EMAILLSP TYPE STRING,
REPLY_TO_EMAIL TYPE STRING,
RECIPIENT_NAME TYPE STRING,
NFE_VERSION TYPE STRING,
INDSINC TYPE STRING,END OF T_EKKO_STR.
DATA: WA_J_1BNFE_S_CANCEL_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_J_1BNFE_S_CANCEL_STR-DOCNUM sy-vline 
WA_J_1BNFE_S_CANCEL_STR-ACCESSKEY sy-vline 
WA_J_1BNFE_S_CANCEL_STR-EVENT_TYPE sy-vline 
WA_J_1BNFE_S_CANCEL_STR-SEQNUM sy-vline 
WA_J_1BNFE_S_CANCEL_STR-OFFSEQNUM sy-vline 
WA_J_1BNFE_S_CANCEL_STR-TIMESTAMP sy-vline 
WA_J_1BNFE_S_CANCEL_STR-TIMEZONE sy-vline 
WA_J_1BNFE_S_CANCEL_STR-REASON sy-vline 
WA_J_1BNFE_S_CANCEL_STR-TPAMB sy-vline 
WA_J_1BNFE_S_CANCEL_STR-DHEVENT sy-vline 
WA_J_1BNFE_S_CANCEL_STR-NPROT sy-vline 
WA_J_1BNFE_S_CANCEL_STR-UF sy-vline 
WA_J_1BNFE_S_CANCEL_STR-B2B sy-vline 
WA_J_1BNFE_S_CANCEL_STR-CNPJ sy-vline 
WA_J_1BNFE_S_CANCEL_STR-NOME_FANTASIA sy-vline 
WA_J_1BNFE_S_CANCEL_STR-ENDERECO sy-vline 
WA_J_1BNFE_S_CANCEL_STR-CIDADE sy-vline 
WA_J_1BNFE_S_CANCEL_STR-TELEFONE sy-vline 
WA_J_1BNFE_S_CANCEL_STR-EMAILDEST sy-vline 
WA_J_1BNFE_S_CANCEL_STR-EMAILLSP sy-vline 
WA_J_1BNFE_S_CANCEL_STR-REPLY_TO_EMAIL sy-vline 
WA_J_1BNFE_S_CANCEL_STR-RECIPIENT_NAME sy-vline 
WA_J_1BNFE_S_CANCEL_STR-NFE_VERSION sy-vline 
WA_J_1BNFE_S_CANCEL_STR-INDSINC sy-vline      INTO ld_text SEPARATED BY SPACE.

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