ABAP Select data from SAP table MSSPFSTATS into internal table

Get Example source ABAP code based on a different SAP table
  Get ABAP code

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM MSSPFSTATS
*  INTO TABLE @DATA(IT_MSSPFSTATS2).
*--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_MSSPFSTATS INDEX 1 INTO DATA(WA_MSSPFSTATS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<MSSPFSTATS>-DAYOW = 1.
<MSSPFSTATS>-RECORDDATE = 1.
<MSSPFSTATS>-RECORDTIME = 1.
<MSSPFSTATS>-REQBUFFPG = 1.
<MSSPFSTATS>-SQLBATCHS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_MSSPFSTATS-READSPEREQ, sy-vline,
  WA_MSSPFSTATS-FULLSCANS, sy-vline,
  WA_MSSPFSTATS-INDEXSRCH, sy-vline,
  WA_MSSPFSTATS-RANGESCANS, sy-vline,
  WA_MSSPFSTATS-PROBESCANS, sy-vline,
  WA_MSSPFSTATS-WORKFILES, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_MSSPFSTATS 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_MSSPFSTATS 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_MSSPFSTATS INTO WA_MSSPFSTATS.


*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_MSSPFSTATS_STR, 
DAYOW TYPE STRING,
RECORDDATE TYPE STRING,
RECORDTIME TYPE STRING,
REQBUFFPG TYPE STRING,
SQLBATCHS TYPE STRING,
READSPEREQ TYPE STRING,
FULLSCANS TYPE STRING,
INDEXSRCH TYPE STRING,
RANGESCANS TYPE STRING,
PROBESCANS TYPE STRING,
WORKFILES TYPE STRING,
WORKTABLES TYPE STRING,
SQLCOMPILE TYPE STRING,
AVGLTCHWT TYPE STRING,
LATCHWAITS TYPE STRING,
AUTOPARAM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_MSSPFSTATS_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_MSSPFSTATS_STR-DAYOW sy-vline 
WA_MSSPFSTATS_STR-RECORDDATE sy-vline 
WA_MSSPFSTATS_STR-RECORDTIME sy-vline 
WA_MSSPFSTATS_STR-REQBUFFPG sy-vline 
WA_MSSPFSTATS_STR-SQLBATCHS sy-vline 
WA_MSSPFSTATS_STR-READSPEREQ sy-vline 
WA_MSSPFSTATS_STR-FULLSCANS sy-vline 
WA_MSSPFSTATS_STR-INDEXSRCH sy-vline 
WA_MSSPFSTATS_STR-RANGESCANS sy-vline 
WA_MSSPFSTATS_STR-PROBESCANS sy-vline 
WA_MSSPFSTATS_STR-WORKFILES sy-vline 
WA_MSSPFSTATS_STR-WORKTABLES sy-vline 
WA_MSSPFSTATS_STR-SQLCOMPILE sy-vline 
WA_MSSPFSTATS_STR-AVGLTCHWT sy-vline 
WA_MSSPFSTATS_STR-LATCHWAITS sy-vline 
WA_MSSPFSTATS_STR-AUTOPARAM sy-vline      INTO ld_text SEPARATED BY SPACE.

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