ABAP Select data from SAP table /SAPTRX/BAPI_EH_DISP_EVENT_MSG into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /SAPTRX/BAPI_EH_DISP_EVENT_MSG 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 /SAPTRX/BAPI_EH_DISP_EVENT_MSG. 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 /SAPTRX/BAPI_EH_DISP_EVENT_MSG 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_/SAPTRX/BAPI_EH_DISP_EVENT_MSG TYPE STANDARD TABLE OF /SAPTRX/BAPI_EH_DISP_EVENT_MSG,
      WA_/SAPTRX/BAPI_EH_DISP_EVENT_MSG TYPE /SAPTRX/BAPI_EH_DISP_EVENT_MSG,
      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: </SAPTRX/BAPI_EH_DISP_EVENT_MSG> TYPE /SAPTRX/BAPI_EH_DISP_EVENT_MSG.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /SAPTRX/BAPI_EH_DISP_EVENT_MSG
  INTO TABLE IT_/SAPTRX/BAPI_EH_DISP_EVENT_MSG.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPTRX/BAPI_EH_DISP_EVENT_MSG
*  INTO TABLE @DATA(IT_/SAPTRX/BAPI_EH_DISP_EVENT_MSG2).
*--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_/SAPTRX/BAPI_EH_DISP_EVENT_MSG INDEX 1 INTO DATA(WA_/SAPTRX/BAPI_EH_DISP_EVENT_MSG2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/SAPTRX/BAPI_EH_DISP_EVENT_MSG ASSIGNING </SAPTRX/BAPI_EH_DISP_EVENT_MSG>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPTRX/BAPI_EH_DISP_EVENT_MSG>-EH_GUID = 1.
</SAPTRX/BAPI_EH_DISP_EVENT_MSG>-MSG_GUID = 1.
</SAPTRX/BAPI_EH_DISP_EVENT_MSG>-EVTCOD = 1.
</SAPTRX/BAPI_EH_DISP_EVENT_MSG>-EVTID = 1.
</SAPTRX/BAPI_EH_DISP_EVENT_MSG>-INT_EV_COD = 1.

ENDLOOP.

LOOP AT IT_/SAPTRX/BAPI_EH_DISP_EVENT_MSG INTO WA_/SAPTRX/BAPI_EH_DISP_EVENT_MSG.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPTRX/BAPI_EH_DISP_EVENT_MSG-INT_EV_COD_TEXT, sy-vline,
  WA_/SAPTRX/BAPI_EH_DISP_EVENT_MSG-TRXCOD, sy-vline,
  WA_/SAPTRX/BAPI_EH_DISP_EVENT_MSG-TRXID, sy-vline,
  WA_/SAPTRX/BAPI_EH_DISP_EVENT_MSG-TIPCOD, sy-vline,
  WA_/SAPTRX/BAPI_EH_DISP_EVENT_MSG-TIPID, sy-vline,
  WA_/SAPTRX/BAPI_EH_DISP_EVENT_MSG-TIPNAM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPTRX/BAPI_EH_DISP_EVENT_MSG 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_/SAPTRX/BAPI_EH_DISP_EVENT_MSG 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_/SAPTRX/BAPI_EH_DISP_EVENT_MSG INTO WA_/SAPTRX/BAPI_EH_DISP_EVENT_MSG.


*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_/SAPTRX/BAPI_EH_DISP_EVENT_MSG-PHYSND
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPTRX/BAPI_EH_DISP_EVENT_MSG-PHYSND.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ISOLA, internal->external for field LANGUAGE
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_/SAPTRX/BAPI_EH_DISP_EVENT_MSG-LANGUAGE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPTRX/BAPI_EH_DISP_EVENT_MSG-LANGUAGE.
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_/SAPTRX/BAPI_EH_DISP_EVENT_MSG_STR, 
EH_GUID TYPE STRING,
MSG_GUID TYPE STRING,
EVTCOD TYPE STRING,
EVTID TYPE STRING,
INT_EV_COD TYPE STRING,
INT_EV_COD_TEXT TYPE STRING,
TRXCOD TYPE STRING,
TRXID TYPE STRING,
TIPCOD TYPE STRING,
TIPID TYPE STRING,
TIPNAM TYPE STRING,
IDOCID TYPE STRING,
PHYSTP TYPE STRING,
PHYSND TYPE STRING,
EVTDAT TYPE STRING,
EVTTIM TYPE STRING,
EVTZON TYPE STRING,
REPDAT TYPE STRING,
REPTIM TYPE STRING,
REPZON 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,
REPM TYPE STRING,
LOCCOD TYPE STRING,
LOCID1 TYPE STRING,
LOCID2 TYPE STRING,
SRCCOD TYPE STRING,
SRCID TYPE STRING,
INT_SR_CODE TYPE STRING,
SRCTX TYPE STRING,
PRODDS TYPE STRING,
PRODDT TYPE STRING,
INVALID_DATA TYPE STRING,
MSG_PROCESSED TYPE STRING,
PROCESSED_DATE TYPE STRING,
PROCESSED_TIME TYPE STRING,
EARLIEST_MSG_DTE TYPE STRING,
EARLIEST_MSG_TIM TYPE STRING,
LATEST_MSG_DATE TYPE STRING,
LATEST_MSG_TIME TYPE STRING,
MSG_EXP_TZONE TYPE STRING,
EARLIEST_EV_DATE TYPE STRING,
EARLIEST_EV_TIME TYPE STRING,
LATEST_EV_DATE TYPE STRING,
LATEST_EV_TIME TYPE STRING,
EVENT_EXP_TZONE TYPE STRING,
EVM_SEQ_NBR TYPE STRING,
LANGUAGE TYPE STRING,
DATACS TYPE STRING,
DATAID TYPE STRING,
BATCH_GUID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPTRX/BAPI_EH_DISP_EVENT_MSG_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_/SAPTRX/BAPI_EH_DISP_EVENT_MSG_STR-EH_GUID sy-vline 
WA_/SAPTRX/BAPI_EH_DISP_EVENT_MSG_STR-MSG_GUID sy-vline 
WA_/SAPTRX/BAPI_EH_DISP_EVENT_MSG_STR-EVTCOD sy-vline 
WA_/SAPTRX/BAPI_EH_DISP_EVENT_MSG_STR-EVTID sy-vline 
WA_/SAPTRX/BAPI_EH_DISP_EVENT_MSG_STR-INT_EV_COD sy-vline 
WA_/SAPTRX/BAPI_EH_DISP_EVENT_MSG_STR-INT_EV_COD_TEXT sy-vline 
WA_/SAPTRX/BAPI_EH_DISP_EVENT_MSG_STR-TRXCOD sy-vline 
WA_/SAPTRX/BAPI_EH_DISP_EVENT_MSG_STR-TRXID sy-vline 
WA_/SAPTRX/BAPI_EH_DISP_EVENT_MSG_STR-TIPCOD sy-vline 
WA_/SAPTRX/BAPI_EH_DISP_EVENT_MSG_STR-TIPID sy-vline 
WA_/SAPTRX/BAPI_EH_DISP_EVENT_MSG_STR-TIPNAM sy-vline 
WA_/SAPTRX/BAPI_EH_DISP_EVENT_MSG_STR-IDOCID sy-vline 
WA_/SAPTRX/BAPI_EH_DISP_EVENT_MSG_STR-PHYSTP sy-vline 
WA_/SAPTRX/BAPI_EH_DISP_EVENT_MSG_STR-PHYSND sy-vline 
WA_/SAPTRX/BAPI_EH_DISP_EVENT_MSG_STR-EVTDAT sy-vline 
WA_/SAPTRX/BAPI_EH_DISP_EVENT_MSG_STR-EVTTIM sy-vline 
WA_/SAPTRX/BAPI_EH_DISP_EVENT_MSG_STR-EVTZON sy-vline 
WA_/SAPTRX/BAPI_EH_DISP_EVENT_MSG_STR-REPDAT sy-vline 
WA_/SAPTRX/BAPI_EH_DISP_EVENT_MSG_STR-REPTIM sy-vline 
WA_/SAPTRX/BAPI_EH_DISP_EVENT_MSG_STR-REPZON sy-vline 
WA_/SAPTRX/BAPI_EH_DISP_EVENT_MSG_STR-SNDCOD sy-vline 
WA_/SAPTRX/BAPI_EH_DISP_EVENT_MSG_STR-SNDID sy-vline 
WA_/SAPTRX/BAPI_EH_DISP_EVENT_MSG_STR-SNDNAM sy-vline 
WA_/SAPTRX/BAPI_EH_DISP_EVENT_MSG_STR-RCVCOD sy-vline 
WA_/SAPTRX/BAPI_EH_DISP_EVENT_MSG_STR-RCVID sy-vline 
WA_/SAPTRX/BAPI_EH_DISP_EVENT_MSG_STR-RCVNAM sy-vline 
WA_/SAPTRX/BAPI_EH_DISP_EVENT_MSG_STR-REPCOD sy-vline 
WA_/SAPTRX/BAPI_EH_DISP_EVENT_MSG_STR-REPID sy-vline 
WA_/SAPTRX/BAPI_EH_DISP_EVENT_MSG_STR-REPM sy-vline 
WA_/SAPTRX/BAPI_EH_DISP_EVENT_MSG_STR-LOCCOD sy-vline 
WA_/SAPTRX/BAPI_EH_DISP_EVENT_MSG_STR-LOCID1 sy-vline 
WA_/SAPTRX/BAPI_EH_DISP_EVENT_MSG_STR-LOCID2 sy-vline 
WA_/SAPTRX/BAPI_EH_DISP_EVENT_MSG_STR-SRCCOD sy-vline 
WA_/SAPTRX/BAPI_EH_DISP_EVENT_MSG_STR-SRCID sy-vline 
WA_/SAPTRX/BAPI_EH_DISP_EVENT_MSG_STR-INT_SR_CODE sy-vline 
WA_/SAPTRX/BAPI_EH_DISP_EVENT_MSG_STR-SRCTX sy-vline 
WA_/SAPTRX/BAPI_EH_DISP_EVENT_MSG_STR-PRODDS sy-vline 
WA_/SAPTRX/BAPI_EH_DISP_EVENT_MSG_STR-PRODDT sy-vline 
WA_/SAPTRX/BAPI_EH_DISP_EVENT_MSG_STR-INVALID_DATA sy-vline 
WA_/SAPTRX/BAPI_EH_DISP_EVENT_MSG_STR-MSG_PROCESSED sy-vline 
WA_/SAPTRX/BAPI_EH_DISP_EVENT_MSG_STR-PROCESSED_DATE sy-vline 
WA_/SAPTRX/BAPI_EH_DISP_EVENT_MSG_STR-PROCESSED_TIME sy-vline 
WA_/SAPTRX/BAPI_EH_DISP_EVENT_MSG_STR-EARLIEST_MSG_DTE sy-vline 
WA_/SAPTRX/BAPI_EH_DISP_EVENT_MSG_STR-EARLIEST_MSG_TIM sy-vline 
WA_/SAPTRX/BAPI_EH_DISP_EVENT_MSG_STR-LATEST_MSG_DATE sy-vline 
WA_/SAPTRX/BAPI_EH_DISP_EVENT_MSG_STR-LATEST_MSG_TIME sy-vline 
WA_/SAPTRX/BAPI_EH_DISP_EVENT_MSG_STR-MSG_EXP_TZONE sy-vline 
WA_/SAPTRX/BAPI_EH_DISP_EVENT_MSG_STR-EARLIEST_EV_DATE sy-vline 
WA_/SAPTRX/BAPI_EH_DISP_EVENT_MSG_STR-EARLIEST_EV_TIME sy-vline 
WA_/SAPTRX/BAPI_EH_DISP_EVENT_MSG_STR-LATEST_EV_DATE sy-vline 
WA_/SAPTRX/BAPI_EH_DISP_EVENT_MSG_STR-LATEST_EV_TIME sy-vline 
WA_/SAPTRX/BAPI_EH_DISP_EVENT_MSG_STR-EVENT_EXP_TZONE sy-vline 
WA_/SAPTRX/BAPI_EH_DISP_EVENT_MSG_STR-EVM_SEQ_NBR sy-vline 
WA_/SAPTRX/BAPI_EH_DISP_EVENT_MSG_STR-LANGUAGE sy-vline 
WA_/SAPTRX/BAPI_EH_DISP_EVENT_MSG_STR-DATACS sy-vline 
WA_/SAPTRX/BAPI_EH_DISP_EVENT_MSG_STR-DATAID sy-vline 
WA_/SAPTRX/BAPI_EH_DISP_EVENT_MSG_STR-BATCH_GUID sy-vline      INTO ld_text SEPARATED BY SPACE.

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