ABAP Select data from SAP table SPERFSTANO_STP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM SPERFSTANO_STP
*  INTO TABLE @DATA(IT_SPERFSTANO_STP2).
*--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_SPERFSTANO_STP INDEX 1 INTO DATA(WA_SPERFSTANO_STP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<SPERFSTANO_STP>-COMPONENT = 1.
<SPERFSTANO_STP>-COMPTYPE = 1.
<SPERFSTANO_STP>-TEXT = 1.
<SPERFSTANO_STP>-LONGTEXT = 1.
<SPERFSTANO_STP>-STEPCNT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_SPERFSTANO_STP-RESPTIMT, sy-vline,
  WA_SPERFSTANO_STP-CPUTIMT, sy-vline,
  WA_SPERFSTANO_STP-QUEUETIMT, sy-vline,
  WA_SPERFSTANO_STP-WAITTIMT, sy-vline,
  WA_SPERFSTANO_STP-LOADTIMT, sy-vline,
  WA_SPERFSTANO_STP-GENTIMT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_SPERFSTANO_STP 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_SPERFSTANO_STP 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_SPERFSTANO_STP INTO WA_SPERFSTANO_STP.


*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_SPERFSTANO_STP_STR, 
COMPONENT TYPE STRING,
COMPTYPE TYPE STRING,
TEXT TYPE STRING,
LONGTEXT TYPE STRING,
STEPCNT TYPE STRING,
RESPTIMT TYPE STRING,
CPUTIMT TYPE STRING,
QUEUETIMT TYPE STRING,
WAITTIMT TYPE STRING,
LOADTIMT TYPE STRING,
GENTIMT TYPE STRING,
NETTIMT TYPE STRING,
MAXMEM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_SPERFSTANO_STP_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_SPERFSTANO_STP_STR-COMPONENT sy-vline 
WA_SPERFSTANO_STP_STR-COMPTYPE sy-vline 
WA_SPERFSTANO_STP_STR-TEXT sy-vline 
WA_SPERFSTANO_STP_STR-LONGTEXT sy-vline 
WA_SPERFSTANO_STP_STR-STEPCNT sy-vline 
WA_SPERFSTANO_STP_STR-RESPTIMT sy-vline 
WA_SPERFSTANO_STP_STR-CPUTIMT sy-vline 
WA_SPERFSTANO_STP_STR-QUEUETIMT sy-vline 
WA_SPERFSTANO_STP_STR-WAITTIMT sy-vline 
WA_SPERFSTANO_STP_STR-LOADTIMT sy-vline 
WA_SPERFSTANO_STP_STR-GENTIMT sy-vline 
WA_SPERFSTANO_STP_STR-NETTIMT sy-vline 
WA_SPERFSTANO_STP_STR-MAXMEM sy-vline      INTO ld_text SEPARATED BY SPACE.

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