ABAP Select data from SAP table BAPITRKEVENTMESSAGEHEADER into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BAPITRKEVENTMESSAGEHEADER
*  INTO TABLE @DATA(IT_BAPITRKEVENTMESSAGEHEADER2).
*--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_BAPITRKEVENTMESSAGEHEADER INDEX 1 INTO DATA(WA_BAPITRKEVENTMESSAGEHEADER2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BAPITRKEVENTMESSAGEHEADER>-EVT_GUID = 1.
<BAPITRKEVENTMESSAGEHEADER>-EVTCOD = 1.
<BAPITRKEVENTMESSAGEHEADER>-EVTID = 1.
<BAPITRKEVENTMESSAGEHEADER>-INT_EV_COD = 1.
<BAPITRKEVENTMESSAGEHEADER>-IDOCID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BAPITRKEVENTMESSAGEHEADER-PHYSTP, sy-vline,
  WA_BAPITRKEVENTMESSAGEHEADER-PHYSND, sy-vline,
  WA_BAPITRKEVENTMESSAGEHEADER-EVTDAT, sy-vline,
  WA_BAPITRKEVENTMESSAGEHEADER-EVTTIM, sy-vline,
  WA_BAPITRKEVENTMESSAGEHEADER-EVTZON, sy-vline,
  WA_BAPITRKEVENTMESSAGEHEADER-EVTTST, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BAPITRKEVENTMESSAGEHEADER 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_BAPITRKEVENTMESSAGEHEADER 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_BAPITRKEVENTMESSAGEHEADER INTO WA_BAPITRKEVENTMESSAGEHEADER.


*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_BAPITRKEVENTMESSAGEHEADER-PHYSND
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPITRKEVENTMESSAGEHEADER-PHYSND.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

*Conversion exit TSTPS, internal->external for field ETXTST
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_BAPITRKEVENTMESSAGEHEADER-ETXTST
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPITRKEVENTMESSAGEHEADER-ETXTST.
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_BAPITRKEVENTMESSAGEHEADER_STR, 
EVT_GUID TYPE STRING,
EVTCOD TYPE STRING,
EVTID TYPE STRING,
INT_EV_COD TYPE STRING,
IDOCID TYPE STRING,
PHYSTP TYPE STRING,
PHYSND TYPE STRING,
EVTDAT TYPE STRING,
EVTTIM TYPE STRING,
EVTZON TYPE STRING,
EVTTST TYPE STRING,
EVLTST TYPE STRING,
REPDAT TYPE STRING,
REPTIM TYPE STRING,
REPZON TYPE STRING,
REPTST TYPE STRING,
RELTST TYPE STRING,
PRCTST TYPE STRING,
SNDCOD TYPE STRING,
SNDID TYPE STRING,
SNDNAM TYPE STRING,
RCVCOD TYPE STRING,
RCVID TYPE STRING,
RCVNAM TYPE STRING,
LODSTS TYPE STRING,
MSGMOD TYPE STRING,
MSGSRCTYP TYPE STRING,
TRXCOD TYPE STRING,
TRXID TYPE STRING,
MSGNUM TYPE STRING,
LOCCOD TYPE STRING,
LOCID1 TYPE STRING,
LOCID2 TYPE STRING,
CARCOD TYPE STRING,
CARID TYPE STRING,
VDCOD TYPE STRING,
VDID TYPE STRING,
SPCOD TYPE STRING,
SPID TYPE STRING,
OECOD TYPE STRING,
OEID TYPE STRING,
SRCCOD TYPE STRING,
SRCID TYPE STRING,
SRCTX TYPE STRING,
ESTQUL TYPE STRING,
ETXTST TYPE STRING,
ELCCOD TYPE STRING,
ELCID1 TYPE STRING,
ELCID2 TYPE STRING,
PRODDS TYPE STRING,
PRODDT TYPE STRING,
DCNFTP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BAPITRKEVENTMESSAGEHEADER_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_BAPITRKEVENTMESSAGEHEADER_STR-EVT_GUID sy-vline 
WA_BAPITRKEVENTMESSAGEHEADER_STR-EVTCOD sy-vline 
WA_BAPITRKEVENTMESSAGEHEADER_STR-EVTID sy-vline 
WA_BAPITRKEVENTMESSAGEHEADER_STR-INT_EV_COD sy-vline 
WA_BAPITRKEVENTMESSAGEHEADER_STR-IDOCID sy-vline 
WA_BAPITRKEVENTMESSAGEHEADER_STR-PHYSTP sy-vline 
WA_BAPITRKEVENTMESSAGEHEADER_STR-PHYSND sy-vline 
WA_BAPITRKEVENTMESSAGEHEADER_STR-EVTDAT sy-vline 
WA_BAPITRKEVENTMESSAGEHEADER_STR-EVTTIM sy-vline 
WA_BAPITRKEVENTMESSAGEHEADER_STR-EVTZON sy-vline 
WA_BAPITRKEVENTMESSAGEHEADER_STR-EVTTST sy-vline 
WA_BAPITRKEVENTMESSAGEHEADER_STR-EVLTST sy-vline 
WA_BAPITRKEVENTMESSAGEHEADER_STR-REPDAT sy-vline 
WA_BAPITRKEVENTMESSAGEHEADER_STR-REPTIM sy-vline 
WA_BAPITRKEVENTMESSAGEHEADER_STR-REPZON sy-vline 
WA_BAPITRKEVENTMESSAGEHEADER_STR-REPTST sy-vline 
WA_BAPITRKEVENTMESSAGEHEADER_STR-RELTST sy-vline 
WA_BAPITRKEVENTMESSAGEHEADER_STR-PRCTST sy-vline 
WA_BAPITRKEVENTMESSAGEHEADER_STR-SNDCOD sy-vline 
WA_BAPITRKEVENTMESSAGEHEADER_STR-SNDID sy-vline 
WA_BAPITRKEVENTMESSAGEHEADER_STR-SNDNAM sy-vline 
WA_BAPITRKEVENTMESSAGEHEADER_STR-RCVCOD sy-vline 
WA_BAPITRKEVENTMESSAGEHEADER_STR-RCVID sy-vline 
WA_BAPITRKEVENTMESSAGEHEADER_STR-RCVNAM sy-vline 
WA_BAPITRKEVENTMESSAGEHEADER_STR-LODSTS sy-vline 
WA_BAPITRKEVENTMESSAGEHEADER_STR-MSGMOD sy-vline 
WA_BAPITRKEVENTMESSAGEHEADER_STR-MSGSRCTYP sy-vline 
WA_BAPITRKEVENTMESSAGEHEADER_STR-TRXCOD sy-vline 
WA_BAPITRKEVENTMESSAGEHEADER_STR-TRXID sy-vline 
WA_BAPITRKEVENTMESSAGEHEADER_STR-MSGNUM sy-vline 
WA_BAPITRKEVENTMESSAGEHEADER_STR-LOCCOD sy-vline 
WA_BAPITRKEVENTMESSAGEHEADER_STR-LOCID1 sy-vline 
WA_BAPITRKEVENTMESSAGEHEADER_STR-LOCID2 sy-vline 
WA_BAPITRKEVENTMESSAGEHEADER_STR-CARCOD sy-vline 
WA_BAPITRKEVENTMESSAGEHEADER_STR-CARID sy-vline 
WA_BAPITRKEVENTMESSAGEHEADER_STR-VDCOD sy-vline 
WA_BAPITRKEVENTMESSAGEHEADER_STR-VDID sy-vline 
WA_BAPITRKEVENTMESSAGEHEADER_STR-SPCOD sy-vline 
WA_BAPITRKEVENTMESSAGEHEADER_STR-SPID sy-vline 
WA_BAPITRKEVENTMESSAGEHEADER_STR-OECOD sy-vline 
WA_BAPITRKEVENTMESSAGEHEADER_STR-OEID sy-vline 
WA_BAPITRKEVENTMESSAGEHEADER_STR-SRCCOD sy-vline 
WA_BAPITRKEVENTMESSAGEHEADER_STR-SRCID sy-vline 
WA_BAPITRKEVENTMESSAGEHEADER_STR-SRCTX sy-vline 
WA_BAPITRKEVENTMESSAGEHEADER_STR-ESTQUL sy-vline 
WA_BAPITRKEVENTMESSAGEHEADER_STR-ETXTST sy-vline 
WA_BAPITRKEVENTMESSAGEHEADER_STR-ELCCOD sy-vline 
WA_BAPITRKEVENTMESSAGEHEADER_STR-ELCID1 sy-vline 
WA_BAPITRKEVENTMESSAGEHEADER_STR-ELCID2 sy-vline 
WA_BAPITRKEVENTMESSAGEHEADER_STR-PRODDS sy-vline 
WA_BAPITRKEVENTMESSAGEHEADER_STR-PRODDT sy-vline 
WA_BAPITRKEVENTMESSAGEHEADER_STR-DCNFTP sy-vline      INTO ld_text SEPARATED BY SPACE.

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