ABAP Select data from SAP table J_1BNFE_IN_HEADER_DATA_400 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_IN_HEADER_DATA_400 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_IN_HEADER_DATA_400. 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_IN_HEADER_DATA_400 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_IN_HEADER_DATA_400 TYPE STANDARD TABLE OF J_1BNFE_IN_HEADER_DATA_400,
      WA_J_1BNFE_IN_HEADER_DATA_400 TYPE J_1BNFE_IN_HEADER_DATA_400,
      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_IN_HEADER_DATA_400> TYPE J_1BNFE_IN_HEADER_DATA_400.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_J_1BNFE_IN_HEADER_DATA_400.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM J_1BNFE_IN_HEADER_DATA_400
  INTO TABLE IT_J_1BNFE_IN_HEADER_DATA_400.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM J_1BNFE_IN_HEADER_DATA_400
*  INTO TABLE @DATA(IT_J_1BNFE_IN_HEADER_DATA_4002).
*--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_IN_HEADER_DATA_400 INDEX 1 INTO DATA(WA_J_1BNFE_IN_HEADER_DATA_4002).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_J_1BNFE_IN_HEADER_DATA_400 ASSIGNING <J_1BNFE_IN_HEADER_DATA_400>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<J_1BNFE_IN_HEADER_DATA_400>-BLDAT = 1.
<J_1BNFE_IN_HEADER_DATA_400>-BUDAT = 1.
<J_1BNFE_IN_HEADER_DATA_400>-SIMULATE = 1.
<J_1BNFE_IN_HEADER_DATA_400>-SIMULATION_LEVEL = 1.
<J_1BNFE_IN_HEADER_DATA_400>-XBLNR = 1.

ENDLOOP.

LOOP AT IT_J_1BNFE_IN_HEADER_DATA_400 INTO WA_J_1BNFE_IN_HEADER_DATA_400.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_J_1BNFE_IN_HEADER_DATA_400-XMLGOVVERS, sy-vline,
  WA_J_1BNFE_IN_HEADER_DATA_400-AUTHCODE, sy-vline,
  WA_J_1BNFE_IN_HEADER_DATA_400-AUTHDATE, sy-vline,
  WA_J_1BNFE_IN_HEADER_DATA_400-AUTHTIME, sy-vline,
  WA_J_1BNFE_IN_HEADER_DATA_400-PROCESS, sy-vline,
  WA_J_1BNFE_IN_HEADER_DATA_400-MULTIPOS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_J_1BNFE_IN_HEADER_DATA_400 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_IN_HEADER_DATA_400 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_IN_HEADER_DATA_400 INTO WA_J_1BNFE_IN_HEADER_DATA_400.


*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_IN_HEADER_DATA_400_STR, 
BLDAT TYPE STRING,
BUDAT TYPE STRING,
SIMULATE TYPE STRING,
SIMULATION_LEVEL TYPE STRING,
XBLNR TYPE STRING,
XMLGOVVERS TYPE STRING,
AUTHCODE TYPE STRING,
AUTHDATE TYPE STRING,
AUTHTIME TYPE STRING,
PROCESS TYPE STRING,
MULTIPOS TYPE STRING,
ACCESS_KEY TYPE STRING,
REGIO TYPE STRING,
NFYEAR TYPE STRING,
NFMONTH TYPE STRING,
STCD1 TYPE STRING,
MODEL TYPE STRING,
SERIE TYPE STRING,
NFNUM9 TYPE STRING,
DOCNUM9 TYPE STRING,
CDV TYPE STRING,
ACCKEY_REF TYPE STRING,
REGIO TYPE STRING,
NFYEAR TYPE STRING,
NFMONTH TYPE STRING,
STCD1 TYPE STRING,
MODEL TYPE STRING,
SERIE TYPE STRING,
NFNUM9 TYPE STRING,
DOCNUM9 TYPE STRING,
CDV TYPE STRING,
AMNT TYPE STRING,
CMSG TYPE STRING,
XMSG TYPE STRING,END OF T_EKKO_STR.
DATA: WA_J_1BNFE_IN_HEADER_DATA_400_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_IN_HEADER_DATA_400_STR-BLDAT sy-vline 
WA_J_1BNFE_IN_HEADER_DATA_400_STR-BUDAT sy-vline 
WA_J_1BNFE_IN_HEADER_DATA_400_STR-SIMULATE sy-vline 
WA_J_1BNFE_IN_HEADER_DATA_400_STR-SIMULATION_LEVEL sy-vline 
WA_J_1BNFE_IN_HEADER_DATA_400_STR-XBLNR sy-vline 
WA_J_1BNFE_IN_HEADER_DATA_400_STR-XMLGOVVERS sy-vline 
WA_J_1BNFE_IN_HEADER_DATA_400_STR-AUTHCODE sy-vline 
WA_J_1BNFE_IN_HEADER_DATA_400_STR-AUTHDATE sy-vline 
WA_J_1BNFE_IN_HEADER_DATA_400_STR-AUTHTIME sy-vline 
WA_J_1BNFE_IN_HEADER_DATA_400_STR-PROCESS sy-vline 
WA_J_1BNFE_IN_HEADER_DATA_400_STR-MULTIPOS sy-vline 
WA_J_1BNFE_IN_HEADER_DATA_400_STR-ACCESS_KEY sy-vline 
WA_J_1BNFE_IN_HEADER_DATA_400_STR-REGIO sy-vline 
WA_J_1BNFE_IN_HEADER_DATA_400_STR-NFYEAR sy-vline 
WA_J_1BNFE_IN_HEADER_DATA_400_STR-NFMONTH sy-vline 
WA_J_1BNFE_IN_HEADER_DATA_400_STR-STCD1 sy-vline 
WA_J_1BNFE_IN_HEADER_DATA_400_STR-MODEL sy-vline 
WA_J_1BNFE_IN_HEADER_DATA_400_STR-SERIE sy-vline 
WA_J_1BNFE_IN_HEADER_DATA_400_STR-NFNUM9 sy-vline 
WA_J_1BNFE_IN_HEADER_DATA_400_STR-DOCNUM9 sy-vline 
WA_J_1BNFE_IN_HEADER_DATA_400_STR-CDV sy-vline 
WA_J_1BNFE_IN_HEADER_DATA_400_STR-ACCKEY_REF sy-vline 
WA_J_1BNFE_IN_HEADER_DATA_400_STR-REGIO sy-vline 
WA_J_1BNFE_IN_HEADER_DATA_400_STR-NFYEAR sy-vline 
WA_J_1BNFE_IN_HEADER_DATA_400_STR-NFMONTH sy-vline 
WA_J_1BNFE_IN_HEADER_DATA_400_STR-STCD1 sy-vline 
WA_J_1BNFE_IN_HEADER_DATA_400_STR-MODEL sy-vline 
WA_J_1BNFE_IN_HEADER_DATA_400_STR-SERIE sy-vline 
WA_J_1BNFE_IN_HEADER_DATA_400_STR-NFNUM9 sy-vline 
WA_J_1BNFE_IN_HEADER_DATA_400_STR-DOCNUM9 sy-vline 
WA_J_1BNFE_IN_HEADER_DATA_400_STR-CDV sy-vline 
WA_J_1BNFE_IN_HEADER_DATA_400_STR-AMNT sy-vline 
WA_J_1BNFE_IN_HEADER_DATA_400_STR-CMSG sy-vline 
WA_J_1BNFE_IN_HEADER_DATA_400_STR-XMSG sy-vline      INTO ld_text SEPARATED BY SPACE.

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