ABAP Select data from SAP table SXMSBLKAGGITEM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM SXMSBLKAGGITEM
*  INTO TABLE @DATA(IT_SXMSBLKAGGITEM2).
*--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_SXMSBLKAGGITEM INDEX 1 INTO DATA(WA_SXMSBLKAGGITEM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<SXMSBLKAGGITEM>-BOX = 1.
<SXMSBLKAGGITEM>-FROMDATE_LOC = 1.
<SXMSBLKAGGITEM>-FROMTIME_LOC = 1.
<SXMSBLKAGGITEM>-TODATE_LOC = 1.
<SXMSBLKAGGITEM>-TOTIME_LOC = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_SXMSBLKAGGITEM-AVGMSGSIZEKB, sy-vline,
  WA_SXMSBLKAGGITEM-EXISTS_RAW, sy-vline,
  WA_SXMSBLKAGGITEM-BLKAGG, sy-vline,
  WA_SXMSBLKAGGITEM-MANDT, sy-vline,
  WA_SXMSBLKAGGITEM-FROMTIME, sy-vline,
  WA_SXMSBLKAGGITEM-TOTIME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_SXMSBLKAGGITEM 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_SXMSBLKAGGITEM 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_SXMSBLKAGGITEM INTO WA_SXMSBLKAGGITEM.


*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_SXMSBLKAGGITEM_STR, 
BOX TYPE STRING,
FROMDATE_LOC TYPE STRING,
FROMTIME_LOC TYPE STRING,
TODATE_LOC TYPE STRING,
TOTIME_LOC TYPE STRING,
AVGMSGSIZEKB TYPE STRING,
EXISTS_RAW TYPE STRING,
BLKAGG TYPE STRING,
MANDT TYPE STRING,
FROMTIME TYPE STRING,
TOTIME TYPE STRING,
QUEUE TYPE STRING,
BCFG_KEY TYPE STRING,
INTERVLENGTH TYPE STRING,
BULKCNT TYPE STRING,
AVGPACKSIZE TYPE STRING,
SUMPACKSIZE TYPE STRING,
AVGMSGSIZE TYPE STRING,
SUMMSGSIZE TYPE STRING,
AVGMSGSIZEMAP TYPE STRING,
SUMMSGSIZEMAP TYPE STRING,
AVGEXECTIME TYPE STRING,
SUMEXECTIME TYPE STRING,
TIMEOUT TYPE STRING,
EMPTY TYPE STRING,
ERROR TYPE STRING,
AVGPACKSIZEINI TYPE STRING,
SUMPACKSIZEINI TYPE STRING,
DELSUM TYPE STRING,
EVENT00 TYPE STRING,
EVENT01 TYPE STRING,
EVENT02 TYPE STRING,
EVENT03 TYPE STRING,
EVENT04 TYPE STRING,
EVENT05 TYPE STRING,
EVENT06 TYPE STRING,
EVENT07 TYPE STRING,
EVENT08 TYPE STRING,
EVENT09 TYPE STRING,
EVENT10 TYPE STRING,
EVENT11 TYPE STRING,
EVENT12 TYPE STRING,
EVENT13 TYPE STRING,
EVENT14 TYPE STRING,
EVENT15 TYPE STRING,
EVENT16 TYPE STRING,
EVENT17 TYPE STRING,
EVENT18 TYPE STRING,
EVENT19 TYPE STRING,
EVENT20 TYPE STRING,
EVENT21 TYPE STRING,
EVENT22 TYPE STRING,
EVENT23 TYPE STRING,
EVENT24 TYPE STRING,
EVENT25 TYPE STRING,
EVENT26 TYPE STRING,
EVENT27 TYPE STRING,
EVENT28 TYPE STRING,
EVENT29 TYPE STRING,
EVENT30 TYPE STRING,
AGG_LEVEL TYPE STRING,
BLKRAWTAB TYPE STRING,END OF T_EKKO_STR.
DATA: WA_SXMSBLKAGGITEM_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_SXMSBLKAGGITEM_STR-BOX sy-vline 
WA_SXMSBLKAGGITEM_STR-FROMDATE_LOC sy-vline 
WA_SXMSBLKAGGITEM_STR-FROMTIME_LOC sy-vline 
WA_SXMSBLKAGGITEM_STR-TODATE_LOC sy-vline 
WA_SXMSBLKAGGITEM_STR-TOTIME_LOC sy-vline 
WA_SXMSBLKAGGITEM_STR-AVGMSGSIZEKB sy-vline 
WA_SXMSBLKAGGITEM_STR-EXISTS_RAW sy-vline 
WA_SXMSBLKAGGITEM_STR-BLKAGG sy-vline 
WA_SXMSBLKAGGITEM_STR-MANDT sy-vline 
WA_SXMSBLKAGGITEM_STR-FROMTIME sy-vline 
WA_SXMSBLKAGGITEM_STR-TOTIME sy-vline 
WA_SXMSBLKAGGITEM_STR-QUEUE sy-vline 
WA_SXMSBLKAGGITEM_STR-BCFG_KEY sy-vline 
WA_SXMSBLKAGGITEM_STR-INTERVLENGTH sy-vline 
WA_SXMSBLKAGGITEM_STR-BULKCNT sy-vline 
WA_SXMSBLKAGGITEM_STR-AVGPACKSIZE sy-vline 
WA_SXMSBLKAGGITEM_STR-SUMPACKSIZE sy-vline 
WA_SXMSBLKAGGITEM_STR-AVGMSGSIZE sy-vline 
WA_SXMSBLKAGGITEM_STR-SUMMSGSIZE sy-vline 
WA_SXMSBLKAGGITEM_STR-AVGMSGSIZEMAP sy-vline 
WA_SXMSBLKAGGITEM_STR-SUMMSGSIZEMAP sy-vline 
WA_SXMSBLKAGGITEM_STR-AVGEXECTIME sy-vline 
WA_SXMSBLKAGGITEM_STR-SUMEXECTIME sy-vline 
WA_SXMSBLKAGGITEM_STR-TIMEOUT sy-vline 
WA_SXMSBLKAGGITEM_STR-EMPTY sy-vline 
WA_SXMSBLKAGGITEM_STR-ERROR sy-vline 
WA_SXMSBLKAGGITEM_STR-AVGPACKSIZEINI sy-vline 
WA_SXMSBLKAGGITEM_STR-SUMPACKSIZEINI sy-vline 
WA_SXMSBLKAGGITEM_STR-DELSUM sy-vline 
WA_SXMSBLKAGGITEM_STR-EVENT00 sy-vline 
WA_SXMSBLKAGGITEM_STR-EVENT01 sy-vline 
WA_SXMSBLKAGGITEM_STR-EVENT02 sy-vline 
WA_SXMSBLKAGGITEM_STR-EVENT03 sy-vline 
WA_SXMSBLKAGGITEM_STR-EVENT04 sy-vline 
WA_SXMSBLKAGGITEM_STR-EVENT05 sy-vline 
WA_SXMSBLKAGGITEM_STR-EVENT06 sy-vline 
WA_SXMSBLKAGGITEM_STR-EVENT07 sy-vline 
WA_SXMSBLKAGGITEM_STR-EVENT08 sy-vline 
WA_SXMSBLKAGGITEM_STR-EVENT09 sy-vline 
WA_SXMSBLKAGGITEM_STR-EVENT10 sy-vline 
WA_SXMSBLKAGGITEM_STR-EVENT11 sy-vline 
WA_SXMSBLKAGGITEM_STR-EVENT12 sy-vline 
WA_SXMSBLKAGGITEM_STR-EVENT13 sy-vline 
WA_SXMSBLKAGGITEM_STR-EVENT14 sy-vline 
WA_SXMSBLKAGGITEM_STR-EVENT15 sy-vline 
WA_SXMSBLKAGGITEM_STR-EVENT16 sy-vline 
WA_SXMSBLKAGGITEM_STR-EVENT17 sy-vline 
WA_SXMSBLKAGGITEM_STR-EVENT18 sy-vline 
WA_SXMSBLKAGGITEM_STR-EVENT19 sy-vline 
WA_SXMSBLKAGGITEM_STR-EVENT20 sy-vline 
WA_SXMSBLKAGGITEM_STR-EVENT21 sy-vline 
WA_SXMSBLKAGGITEM_STR-EVENT22 sy-vline 
WA_SXMSBLKAGGITEM_STR-EVENT23 sy-vline 
WA_SXMSBLKAGGITEM_STR-EVENT24 sy-vline 
WA_SXMSBLKAGGITEM_STR-EVENT25 sy-vline 
WA_SXMSBLKAGGITEM_STR-EVENT26 sy-vline 
WA_SXMSBLKAGGITEM_STR-EVENT27 sy-vline 
WA_SXMSBLKAGGITEM_STR-EVENT28 sy-vline 
WA_SXMSBLKAGGITEM_STR-EVENT29 sy-vline 
WA_SXMSBLKAGGITEM_STR-EVENT30 sy-vline 
WA_SXMSBLKAGGITEM_STR-AGG_LEVEL sy-vline 
WA_SXMSBLKAGGITEM_STR-BLKRAWTAB sy-vline      INTO ld_text SEPARATED BY SPACE.

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