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

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SDF/SMON_WP_AGGR_STAD
*  INTO TABLE @DATA(IT_/SDF/SMON_WP_AGGR_STAD2).
*--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/SMON_WP_AGGR_STAD INDEX 1 INTO DATA(WA_/SDF/SMON_WP_AGGR_STAD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SDF/SMON_WP_AGGR_STAD>-DATUM = 1.
</SDF/SMON_WP_AGGR_STAD>-TIME = 1.
</SDF/SMON_WP_AGGR_STAD>-CONTEXT_ID = 1.
</SDF/SMON_WP_AGGR_STAD>-STARTTIME1 = 1.
</SDF/SMON_WP_AGGR_STAD>-STARTTIME2 = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SDF/SMON_WP_AGGR_STAD-USER_NAME, sy-vline,
  WA_/SDF/SMON_WP_AGGR_STAD-MAIN_PROGRAM, sy-vline,
  WA_/SDF/SMON_WP_AGGR_STAD-ROOTTYPE_DISP, sy-vline,
  WA_/SDF/SMON_WP_AGGR_STAD-ROOTNAME, sy-vline,
  WA_/SDF/SMON_WP_AGGR_STAD-BTCJOBNAME, sy-vline,
  WA_/SDF/SMON_WP_AGGR_STAD-DELTATIMEMS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SDF/SMON_WP_AGGR_STAD 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/SMON_WP_AGGR_STAD 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/SMON_WP_AGGR_STAD INTO WA_/SDF/SMON_WP_AGGR_STAD.


*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/SMON_WP_AGGR_STAD_STR, 
DATUM TYPE STRING,
TIME TYPE STRING,
CONTEXT_ID TYPE STRING,
STARTTIME1 TYPE STRING,
STARTTIME2 TYPE STRING,
USER_NAME TYPE STRING,
MAIN_PROGRAM TYPE STRING,
ROOTTYPE_DISP TYPE STRING,
ROOTNAME TYPE STRING,
BTCJOBNAME TYPE STRING,
DELTATIMEMS TYPE STRING,
TIME_SEC TYPE STRING,
TIME_SEC% TYPE STRING,
CPU_TOT_MS TYPE STRING,
CPU_TOT_MS% TYPE STRING,
DBTIME_TOT TYPE STRING,
DBTIME_TOT% TYPE STRING,
DBTIME TYPE STRING,
DBTIME% TYPE STRING,
DBTIME_C TYPE STRING,
DBTIME_C% TYPE STRING,
DBRECORDS TYPE STRING,
DBRECORDS% TYPE STRING,
DBRECORDS_C TYPE STRING,
DBRECORDS_C% TYPE STRING,
COUNTER TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SDF/SMON_WP_AGGR_STAD_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/SMON_WP_AGGR_STAD_STR-DATUM sy-vline 
WA_/SDF/SMON_WP_AGGR_STAD_STR-TIME sy-vline 
WA_/SDF/SMON_WP_AGGR_STAD_STR-CONTEXT_ID sy-vline 
WA_/SDF/SMON_WP_AGGR_STAD_STR-STARTTIME1 sy-vline 
WA_/SDF/SMON_WP_AGGR_STAD_STR-STARTTIME2 sy-vline 
WA_/SDF/SMON_WP_AGGR_STAD_STR-USER_NAME sy-vline 
WA_/SDF/SMON_WP_AGGR_STAD_STR-MAIN_PROGRAM sy-vline 
WA_/SDF/SMON_WP_AGGR_STAD_STR-ROOTTYPE_DISP sy-vline 
WA_/SDF/SMON_WP_AGGR_STAD_STR-ROOTNAME sy-vline 
WA_/SDF/SMON_WP_AGGR_STAD_STR-BTCJOBNAME sy-vline 
WA_/SDF/SMON_WP_AGGR_STAD_STR-DELTATIMEMS sy-vline 
WA_/SDF/SMON_WP_AGGR_STAD_STR-TIME_SEC sy-vline 
WA_/SDF/SMON_WP_AGGR_STAD_STR-TIME_SEC% sy-vline 
WA_/SDF/SMON_WP_AGGR_STAD_STR-CPU_TOT_MS sy-vline 
WA_/SDF/SMON_WP_AGGR_STAD_STR-CPU_TOT_MS% sy-vline 
WA_/SDF/SMON_WP_AGGR_STAD_STR-DBTIME_TOT sy-vline 
WA_/SDF/SMON_WP_AGGR_STAD_STR-DBTIME_TOT% sy-vline 
WA_/SDF/SMON_WP_AGGR_STAD_STR-DBTIME sy-vline 
WA_/SDF/SMON_WP_AGGR_STAD_STR-DBTIME% sy-vline 
WA_/SDF/SMON_WP_AGGR_STAD_STR-DBTIME_C sy-vline 
WA_/SDF/SMON_WP_AGGR_STAD_STR-DBTIME_C% sy-vline 
WA_/SDF/SMON_WP_AGGR_STAD_STR-DBRECORDS sy-vline 
WA_/SDF/SMON_WP_AGGR_STAD_STR-DBRECORDS% sy-vline 
WA_/SDF/SMON_WP_AGGR_STAD_STR-DBRECORDS_C sy-vline 
WA_/SDF/SMON_WP_AGGR_STAD_STR-DBRECORDS_C% sy-vline 
WA_/SDF/SMON_WP_AGGR_STAD_STR-COUNTER sy-vline      INTO ld_text SEPARATED BY SPACE.

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