ABAP Select data from SAP table /SDF/IVIS_DC_MESSAGE_XI into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SDF/IVIS_DC_MESSAGE_XI
*  INTO TABLE @DATA(IT_/SDF/IVIS_DC_MESSAGE_XI2).
*--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_/SDF/IVIS_DC_MESSAGE_XI INDEX 1 INTO DATA(WA_/SDF/IVIS_DC_MESSAGE_XI2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SDF/IVIS_DC_MESSAGE_XI>-MSGGUID = 1.
</SDF/IVIS_DC_MESSAGE_XI>-PID = 1.
</SDF/IVIS_DC_MESSAGE_XI>-MSGSTATE = 1.
</SDF/IVIS_DC_MESSAGE_XI>-QOSMODE = 1.
</SDF/IVIS_DC_MESSAGE_XI>-INITTIMEST = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SDF/IVIS_DC_MESSAGE_XI-EXETIMEST, sy-vline,
  WA_/SDF/IVIS_DC_MESSAGE_XI-ADAPT_TYP, sy-vline,
  WA_/SDF/IVIS_DC_MESSAGE_XI-ADAPT_TP_I, sy-vline,
  WA_/SDF/IVIS_DC_MESSAGE_XI-PARENTMSG, sy-vline,
  WA_/SDF/IVIS_DC_MESSAGE_XI-QUEUEINT, sy-vline,
  WA_/SDF/IVIS_DC_MESSAGE_XI-ACK_STATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SDF/IVIS_DC_MESSAGE_XI 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_/SDF/IVIS_DC_MESSAGE_XI 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_/SDF/IVIS_DC_MESSAGE_XI INTO WA_/SDF/IVIS_DC_MESSAGE_XI.


*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_/SDF/IVIS_DC_MESSAGE_XI_STR, 
MSGGUID TYPE STRING,
PID TYPE STRING,
MSGSTATE TYPE STRING,
QOSMODE TYPE STRING,
INITTIMEST TYPE STRING,
EXETIMEST TYPE STRING,
ADAPT_TYP TYPE STRING,
ADAPT_TP_I TYPE STRING,
PARENTMSG TYPE STRING,
QUEUEINT TYPE STRING,
ACK_STATE TYPE STRING,
OB_PARTY TYPE STRING,
OB_PARTY_TYPE TYPE STRING,
OB_PARTY_AGENCY TYPE STRING,
OB_SYSTEM TYPE STRING,
OB_NS TYPE STRING,
OB_NAME TYPE STRING,
OB_OPERATION TYPE STRING,
IB_PARTY TYPE STRING,
IB_PARTY_TYPE TYPE STRING,
IB_PARTY_AGENCY TYPE STRING,
IB_SYSTEM TYPE STRING,
IB_NS TYPE STRING,
IB_NAME TYPE STRING,
IB_OPERATION TYPE STRING,
ERRCAT TYPE STRING,
ERRCODE TYPE STRING,
ERRLABELID TYPE STRING,
ERRTXT TYPE STRING,
MSGTYPE TYPE STRING,
SENDTIMEST TYPE STRING,
QUEUEGUID TYPE STRING,
ADAPT_STAT TYPE STRING,
CHILDCOUNT TYPE STRING,
CLIENT TYPE STRING,
ADMINUSER TYPE STRING,
GEN_ENTRY TYPE STRING,
RETRYCOUNT TYPE STRING,
REST_VERS TYPE STRING,
REF_TO_MSG TYPE STRING,
REF_TO_REC_MSG TYPE STRING,
REORG TYPE STRING,
VERS TYPE STRING,
SECURITY TYPE STRING,
QUEUESTATE TYPE STRING,
STATUS_TYPE TYPE STRING,
MANUALSTAT TYPE STRING,
JOB_ID TYPE STRING,
STATUS TYPE STRING,
PERSIST_ID TYPE STRING,
SERVICEDEFINITION TYPE STRING,
APPCOMPONENT TYPE STRING,
SWCOMPONENT TYPE STRING,
SEQUENCEID TYPE STRING,
SEQUENCENUMBER TYPE STRING,
BUSINESSMSG TYPE STRING,
EO_REFID_O TYPE STRING,
EO_REFVL_O TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SDF/IVIS_DC_MESSAGE_XI_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_/SDF/IVIS_DC_MESSAGE_XI_STR-MSGGUID sy-vline 
WA_/SDF/IVIS_DC_MESSAGE_XI_STR-PID sy-vline 
WA_/SDF/IVIS_DC_MESSAGE_XI_STR-MSGSTATE sy-vline 
WA_/SDF/IVIS_DC_MESSAGE_XI_STR-QOSMODE sy-vline 
WA_/SDF/IVIS_DC_MESSAGE_XI_STR-INITTIMEST sy-vline 
WA_/SDF/IVIS_DC_MESSAGE_XI_STR-EXETIMEST sy-vline 
WA_/SDF/IVIS_DC_MESSAGE_XI_STR-ADAPT_TYP sy-vline 
WA_/SDF/IVIS_DC_MESSAGE_XI_STR-ADAPT_TP_I sy-vline 
WA_/SDF/IVIS_DC_MESSAGE_XI_STR-PARENTMSG sy-vline 
WA_/SDF/IVIS_DC_MESSAGE_XI_STR-QUEUEINT sy-vline 
WA_/SDF/IVIS_DC_MESSAGE_XI_STR-ACK_STATE sy-vline 
WA_/SDF/IVIS_DC_MESSAGE_XI_STR-OB_PARTY sy-vline 
WA_/SDF/IVIS_DC_MESSAGE_XI_STR-OB_PARTY_TYPE sy-vline 
WA_/SDF/IVIS_DC_MESSAGE_XI_STR-OB_PARTY_AGENCY sy-vline 
WA_/SDF/IVIS_DC_MESSAGE_XI_STR-OB_SYSTEM sy-vline 
WA_/SDF/IVIS_DC_MESSAGE_XI_STR-OB_NS sy-vline 
WA_/SDF/IVIS_DC_MESSAGE_XI_STR-OB_NAME sy-vline 
WA_/SDF/IVIS_DC_MESSAGE_XI_STR-OB_OPERATION sy-vline 
WA_/SDF/IVIS_DC_MESSAGE_XI_STR-IB_PARTY sy-vline 
WA_/SDF/IVIS_DC_MESSAGE_XI_STR-IB_PARTY_TYPE sy-vline 
WA_/SDF/IVIS_DC_MESSAGE_XI_STR-IB_PARTY_AGENCY sy-vline 
WA_/SDF/IVIS_DC_MESSAGE_XI_STR-IB_SYSTEM sy-vline 
WA_/SDF/IVIS_DC_MESSAGE_XI_STR-IB_NS sy-vline 
WA_/SDF/IVIS_DC_MESSAGE_XI_STR-IB_NAME sy-vline 
WA_/SDF/IVIS_DC_MESSAGE_XI_STR-IB_OPERATION sy-vline 
WA_/SDF/IVIS_DC_MESSAGE_XI_STR-ERRCAT sy-vline 
WA_/SDF/IVIS_DC_MESSAGE_XI_STR-ERRCODE sy-vline 
WA_/SDF/IVIS_DC_MESSAGE_XI_STR-ERRLABELID sy-vline 
WA_/SDF/IVIS_DC_MESSAGE_XI_STR-ERRTXT sy-vline 
WA_/SDF/IVIS_DC_MESSAGE_XI_STR-MSGTYPE sy-vline 
WA_/SDF/IVIS_DC_MESSAGE_XI_STR-SENDTIMEST sy-vline 
WA_/SDF/IVIS_DC_MESSAGE_XI_STR-QUEUEGUID sy-vline 
WA_/SDF/IVIS_DC_MESSAGE_XI_STR-ADAPT_STAT sy-vline 
WA_/SDF/IVIS_DC_MESSAGE_XI_STR-CHILDCOUNT sy-vline 
WA_/SDF/IVIS_DC_MESSAGE_XI_STR-CLIENT sy-vline 
WA_/SDF/IVIS_DC_MESSAGE_XI_STR-ADMINUSER sy-vline 
WA_/SDF/IVIS_DC_MESSAGE_XI_STR-GEN_ENTRY sy-vline 
WA_/SDF/IVIS_DC_MESSAGE_XI_STR-RETRYCOUNT sy-vline 
WA_/SDF/IVIS_DC_MESSAGE_XI_STR-REST_VERS sy-vline 
WA_/SDF/IVIS_DC_MESSAGE_XI_STR-REF_TO_MSG sy-vline 
WA_/SDF/IVIS_DC_MESSAGE_XI_STR-REF_TO_REC_MSG sy-vline 
WA_/SDF/IVIS_DC_MESSAGE_XI_STR-REORG sy-vline 
WA_/SDF/IVIS_DC_MESSAGE_XI_STR-VERS sy-vline 
WA_/SDF/IVIS_DC_MESSAGE_XI_STR-SECURITY sy-vline 
WA_/SDF/IVIS_DC_MESSAGE_XI_STR-QUEUESTATE sy-vline 
WA_/SDF/IVIS_DC_MESSAGE_XI_STR-STATUS_TYPE sy-vline 
WA_/SDF/IVIS_DC_MESSAGE_XI_STR-MANUALSTAT sy-vline 
WA_/SDF/IVIS_DC_MESSAGE_XI_STR-JOB_ID sy-vline 
WA_/SDF/IVIS_DC_MESSAGE_XI_STR-STATUS sy-vline 
WA_/SDF/IVIS_DC_MESSAGE_XI_STR-PERSIST_ID sy-vline 
WA_/SDF/IVIS_DC_MESSAGE_XI_STR-SERVICEDEFINITION sy-vline 
WA_/SDF/IVIS_DC_MESSAGE_XI_STR-APPCOMPONENT sy-vline 
WA_/SDF/IVIS_DC_MESSAGE_XI_STR-SWCOMPONENT sy-vline 
WA_/SDF/IVIS_DC_MESSAGE_XI_STR-SEQUENCEID sy-vline 
WA_/SDF/IVIS_DC_MESSAGE_XI_STR-SEQUENCENUMBER sy-vline 
WA_/SDF/IVIS_DC_MESSAGE_XI_STR-BUSINESSMSG sy-vline 
WA_/SDF/IVIS_DC_MESSAGE_XI_STR-EO_REFID_O sy-vline 
WA_/SDF/IVIS_DC_MESSAGE_XI_STR-EO_REFVL_O sy-vline      INTO ld_text SEPARATED BY SPACE.

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