ABAP Select data from SAP table BAPITRACKINGHEADER into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BAPITRACKINGHEADER
*  INTO TABLE @DATA(IT_BAPITRACKINGHEADER2).
*--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_BAPITRACKINGHEADER INDEX 1 INTO DATA(WA_BAPITRACKINGHEADER2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BAPITRACKINGHEADER>-EVTCNT = 1.
<BAPITRACKINGHEADER>-EVTCOD = 1.
<BAPITRACKINGHEADER>-EVTID = 1.
<BAPITRACKINGHEADER>-TRXCOD = 1.
<BAPITRACKINGHEADER>-TRXID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BAPITRACKINGHEADER-TIPCOD, sy-vline,
  WA_BAPITRACKINGHEADER-TIPID, sy-vline,
  WA_BAPITRACKINGHEADER-TIPNAM, sy-vline,
  WA_BAPITRACKINGHEADER-PHYSTP, sy-vline,
  WA_BAPITRACKINGHEADER-PHYSND, sy-vline,
  WA_BAPITRACKINGHEADER-SNDCOD, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BAPITRACKINGHEADER 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_BAPITRACKINGHEADER 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_BAPITRACKINGHEADER INTO WA_BAPITRACKINGHEADER.


*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.

*Conversion exit ALPHA, internal->external for field PHYSND
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPITRACKINGHEADER-PHYSND
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPITRACKINGHEADER-PHYSND.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTPS, internal->external for field EVTTST
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_BAPITRACKINGHEADER-EVTTST
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPITRACKINGHEADER-EVTTST.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTPS, internal->external for field REPTST
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_BAPITRACKINGHEADER-REPTST
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPITRACKINGHEADER-REPTST.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTPS, internal->external for field PRCTST
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_BAPITRACKINGHEADER-PRCTST
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPITRACKINGHEADER-PRCTST.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_BAPITRACKINGHEADER_STR, 
EVTCNT TYPE STRING,
EVTCOD TYPE STRING,
EVTID TYPE STRING,
TRXCOD TYPE STRING,
TRXID TYPE STRING,
TIPCOD TYPE STRING,
TIPID TYPE STRING,
TIPNAM TYPE STRING,
PHYSTP TYPE STRING,
PHYSND TYPE STRING,
SNDCOD TYPE STRING,
SNDID TYPE STRING,
SNDNAM TYPE STRING,
RCVCOD TYPE STRING,
RCVID TYPE STRING,
RCVNAM TYPE STRING,
REPCOD TYPE STRING,
REPID TYPE STRING,
REPNAM TYPE STRING,
EVTDAT TYPE STRING,
EVTTIM TYPE STRING,
EVTZON TYPE STRING,
EVTTST TYPE STRING,
REPDAT TYPE STRING,
REPTIM TYPE STRING,
REPZON TYPE STRING,
REPTST TYPE STRING,
PRCTST TYPE STRING,
LODSTS TYPE STRING,
PRODDS TYPE STRING,
PRODDT TYPE STRING,
SRCCOD TYPE STRING,
SRCID TYPE STRING,
SRCTX TYPE STRING,
MSGMOD TYPE STRING,
IDOCID TYPE STRING,
MSGNUM TYPE STRING,
MSGSRCTYP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BAPITRACKINGHEADER_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_BAPITRACKINGHEADER_STR-EVTCNT sy-vline 
WA_BAPITRACKINGHEADER_STR-EVTCOD sy-vline 
WA_BAPITRACKINGHEADER_STR-EVTID sy-vline 
WA_BAPITRACKINGHEADER_STR-TRXCOD sy-vline 
WA_BAPITRACKINGHEADER_STR-TRXID sy-vline 
WA_BAPITRACKINGHEADER_STR-TIPCOD sy-vline 
WA_BAPITRACKINGHEADER_STR-TIPID sy-vline 
WA_BAPITRACKINGHEADER_STR-TIPNAM sy-vline 
WA_BAPITRACKINGHEADER_STR-PHYSTP sy-vline 
WA_BAPITRACKINGHEADER_STR-PHYSND sy-vline 
WA_BAPITRACKINGHEADER_STR-SNDCOD sy-vline 
WA_BAPITRACKINGHEADER_STR-SNDID sy-vline 
WA_BAPITRACKINGHEADER_STR-SNDNAM sy-vline 
WA_BAPITRACKINGHEADER_STR-RCVCOD sy-vline 
WA_BAPITRACKINGHEADER_STR-RCVID sy-vline 
WA_BAPITRACKINGHEADER_STR-RCVNAM sy-vline 
WA_BAPITRACKINGHEADER_STR-REPCOD sy-vline 
WA_BAPITRACKINGHEADER_STR-REPID sy-vline 
WA_BAPITRACKINGHEADER_STR-REPNAM sy-vline 
WA_BAPITRACKINGHEADER_STR-EVTDAT sy-vline 
WA_BAPITRACKINGHEADER_STR-EVTTIM sy-vline 
WA_BAPITRACKINGHEADER_STR-EVTZON sy-vline 
WA_BAPITRACKINGHEADER_STR-EVTTST sy-vline 
WA_BAPITRACKINGHEADER_STR-REPDAT sy-vline 
WA_BAPITRACKINGHEADER_STR-REPTIM sy-vline 
WA_BAPITRACKINGHEADER_STR-REPZON sy-vline 
WA_BAPITRACKINGHEADER_STR-REPTST sy-vline 
WA_BAPITRACKINGHEADER_STR-PRCTST sy-vline 
WA_BAPITRACKINGHEADER_STR-LODSTS sy-vline 
WA_BAPITRACKINGHEADER_STR-PRODDS sy-vline 
WA_BAPITRACKINGHEADER_STR-PRODDT sy-vline 
WA_BAPITRACKINGHEADER_STR-SRCCOD sy-vline 
WA_BAPITRACKINGHEADER_STR-SRCID sy-vline 
WA_BAPITRACKINGHEADER_STR-SRCTX sy-vline 
WA_BAPITRACKINGHEADER_STR-MSGMOD sy-vline 
WA_BAPITRACKINGHEADER_STR-IDOCID sy-vline 
WA_BAPITRACKINGHEADER_STR-MSGNUM sy-vline 
WA_BAPITRACKINGHEADER_STR-MSGSRCTYP sy-vline      INTO ld_text SEPARATED BY SPACE.

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