ABAP Select data from SAP table SXI_MESSAGE_FILTER into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM SXI_MESSAGE_FILTER
*  INTO TABLE @DATA(IT_SXI_MESSAGE_FILTER2).
*--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_SXI_MESSAGE_FILTER INDEX 1 INTO DATA(WA_SXI_MESSAGE_FILTER2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<SXI_MESSAGE_FILTER>-ONLY_FAULTY_MESSAGES = 1.
<SXI_MESSAGE_FILTER>-FROM_TIME = 1.
<SXI_MESSAGE_FILTER>-TO_TIME = 1.
<SXI_MESSAGE_FILTER>-STATUS = 1.
<SXI_MESSAGE_FILTER>-OB_PARTY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_SXI_MESSAGE_FILTER-OB_PARTY_TYPE, sy-vline,
  WA_SXI_MESSAGE_FILTER-OB_PARTY_AGENCY, sy-vline,
  WA_SXI_MESSAGE_FILTER-OB_SYSTEM, sy-vline,
  WA_SXI_MESSAGE_FILTER-OB_NS, sy-vline,
  WA_SXI_MESSAGE_FILTER-OB_NAME, sy-vline,
  WA_SXI_MESSAGE_FILTER-OB_OPERATION, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_SXI_MESSAGE_FILTER 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_SXI_MESSAGE_FILTER 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_SXI_MESSAGE_FILTER INTO WA_SXI_MESSAGE_FILTER.


*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_SXI_MESSAGE_FILTER_STR, 
ONLY_FAULTY_MESSAGES TYPE STRING,
FROM_TIME TYPE STRING,
TO_TIME TYPE STRING,
STATUS 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,
MESSAGE_IDS TYPE STRING,
REFERENCE_IDS TYPE STRING,
INBOUND_CHANNEL TYPE STRING,
OUTBOUND_CHANNEL TYPE STRING,
QUALITY_OF_SERVICE TYPE STRING,
QUEUE_NAME TYPE STRING,
SUBCOMPONENT TYPE STRING,
ERRCAT TYPE STRING,
ERRCODE TYPE STRING,
ERRLABELID TYPE STRING,
MSGTYPE TYPE STRING,
MSGFORMAT TYPE STRING,
STATUS_TYPE TYPE STRING,
CLIENT TYPE STRING,
MANUALSTAT TYPE STRING,
MSGSTATE_TAB TYPE STRING,
PERSIST_IDS TYPE STRING,
SERVICEDEFINITION TYPE STRING,
APPCOMPONENT TYPE STRING,
SWCOMPONENT TYPE STRING,
SEQUENCEID TYPE STRING,
EXTR_DATA TYPE STRING,
USE_OR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_SXI_MESSAGE_FILTER_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_SXI_MESSAGE_FILTER_STR-ONLY_FAULTY_MESSAGES sy-vline 
WA_SXI_MESSAGE_FILTER_STR-FROM_TIME sy-vline 
WA_SXI_MESSAGE_FILTER_STR-TO_TIME sy-vline 
WA_SXI_MESSAGE_FILTER_STR-STATUS sy-vline 
WA_SXI_MESSAGE_FILTER_STR-OB_PARTY sy-vline 
WA_SXI_MESSAGE_FILTER_STR-OB_PARTY_TYPE sy-vline 
WA_SXI_MESSAGE_FILTER_STR-OB_PARTY_AGENCY sy-vline 
WA_SXI_MESSAGE_FILTER_STR-OB_SYSTEM sy-vline 
WA_SXI_MESSAGE_FILTER_STR-OB_NS sy-vline 
WA_SXI_MESSAGE_FILTER_STR-OB_NAME sy-vline 
WA_SXI_MESSAGE_FILTER_STR-OB_OPERATION sy-vline 
WA_SXI_MESSAGE_FILTER_STR-IB_PARTY sy-vline 
WA_SXI_MESSAGE_FILTER_STR-IB_PARTY_TYPE sy-vline 
WA_SXI_MESSAGE_FILTER_STR-IB_PARTY_AGENCY sy-vline 
WA_SXI_MESSAGE_FILTER_STR-IB_SYSTEM sy-vline 
WA_SXI_MESSAGE_FILTER_STR-IB_NS sy-vline 
WA_SXI_MESSAGE_FILTER_STR-IB_NAME sy-vline 
WA_SXI_MESSAGE_FILTER_STR-IB_OPERATION sy-vline 
WA_SXI_MESSAGE_FILTER_STR-MESSAGE_IDS sy-vline 
WA_SXI_MESSAGE_FILTER_STR-REFERENCE_IDS sy-vline 
WA_SXI_MESSAGE_FILTER_STR-INBOUND_CHANNEL sy-vline 
WA_SXI_MESSAGE_FILTER_STR-OUTBOUND_CHANNEL sy-vline 
WA_SXI_MESSAGE_FILTER_STR-QUALITY_OF_SERVICE sy-vline 
WA_SXI_MESSAGE_FILTER_STR-QUEUE_NAME sy-vline 
WA_SXI_MESSAGE_FILTER_STR-SUBCOMPONENT sy-vline 
WA_SXI_MESSAGE_FILTER_STR-ERRCAT sy-vline 
WA_SXI_MESSAGE_FILTER_STR-ERRCODE sy-vline 
WA_SXI_MESSAGE_FILTER_STR-ERRLABELID sy-vline 
WA_SXI_MESSAGE_FILTER_STR-MSGTYPE sy-vline 
WA_SXI_MESSAGE_FILTER_STR-MSGFORMAT sy-vline 
WA_SXI_MESSAGE_FILTER_STR-STATUS_TYPE sy-vline 
WA_SXI_MESSAGE_FILTER_STR-CLIENT sy-vline 
WA_SXI_MESSAGE_FILTER_STR-MANUALSTAT sy-vline 
WA_SXI_MESSAGE_FILTER_STR-MSGSTATE_TAB sy-vline 
WA_SXI_MESSAGE_FILTER_STR-PERSIST_IDS sy-vline 
WA_SXI_MESSAGE_FILTER_STR-SERVICEDEFINITION sy-vline 
WA_SXI_MESSAGE_FILTER_STR-APPCOMPONENT sy-vline 
WA_SXI_MESSAGE_FILTER_STR-SWCOMPONENT sy-vline 
WA_SXI_MESSAGE_FILTER_STR-SEQUENCEID sy-vline 
WA_SXI_MESSAGE_FILTER_STR-EXTR_DATA sy-vline 
WA_SXI_MESSAGE_FILTER_STR-USE_OR sy-vline      INTO ld_text SEPARATED BY SPACE.

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