ABAP Select data from SAP table UCS_S_STAT_EXTRACT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM UCS_S_STAT_EXTRACT
*  INTO TABLE @DATA(IT_UCS_S_STAT_EXTRACT2).
*--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_UCS_S_STAT_EXTRACT INDEX 1 INTO DATA(WA_UCS_S_STAT_EXTRACT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<UCS_S_STAT_EXTRACT>-ST_STATTYP = 1.
<UCS_S_STAT_EXTRACT>-UNAME = 1.
<UCS_S_STAT_EXTRACT>-BCS_AREA = 1.
<UCS_S_STAT_EXTRACT>-BCS_TASKTY = 1.
<UCS_S_STAT_EXTRACT>-BCS_TASK = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_UCS_S_STAT_EXTRACT-BCS_DELAYO, sy-vline,
  WA_UCS_S_STAT_EXTRACT-TIMESTAMP, sy-vline,
  WA_UCS_S_STAT_EXTRACT-WEB_SRVNM, sy-vline,
  WA_UCS_S_STAT_EXTRACT-ST_ERROR, sy-vline,
  WA_UCS_S_STAT_EXTRACT-ST_SDATE, sy-vline,
  WA_UCS_S_STAT_EXTRACT-ST_STIME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_UCS_S_STAT_EXTRACT 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_UCS_S_STAT_EXTRACT 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_UCS_S_STAT_EXTRACT INTO WA_UCS_S_STAT_EXTRACT.


*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.

*Conversion exit ALPHA, internal->external for field LOGSYS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_UCS_S_STAT_EXTRACT-LOGSYS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_UCS_S_STAT_EXTRACT-LOGSYS.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_UCS_S_STAT_EXTRACT_STR, 
ST_STATTYP TYPE STRING,
UNAME TYPE STRING,
BCS_AREA TYPE STRING,
BCS_TASKTY TYPE STRING,
BCS_TASK TYPE STRING,
BCS_DELAYO TYPE STRING,
TIMESTAMP TYPE STRING,
WEB_SRVNM TYPE STRING,
ST_ERROR TYPE STRING,
ST_SDATE TYPE STRING,
ST_STIME TYPE STRING,
ST_APPLINK TYPE STRING,
ST_EDATE TYPE STRING,
ST_ETIME TYPE STRING,
TIME TYPE STRING,
LOGSYS TYPE STRING,
CALDAY TYPE STRING,
CALMONTH TYPE STRING,
CALQUARTER TYPE STRING,
CALWEEK TYPE STRING,
CALYEAR TYPE STRING,
ST_RTIME TYPE STRING,
ST_STATCHC TYPE STRING,
ST_TXREADT TYPE STRING,
ST_TXRECMO TYPE STRING,
ST_TXRECR TYPE STRING,
ST_TXWRT TYPE STRING,
ST_FUNCT TYPE STRING,
ST_STATUPD TYPE STRING,
ST_LOGTIME TYPE STRING,
ST_NOORGU TYPE STRING,
ST_AUTHCHT TYPE STRING,
ST_ENQUET TYPE STRING,
ST_RESETT TYPE STRING,
ST_RESETR TYPE STRING,
ST_COUNT TYPE STRING,
ST_NOCONSG TYPE STRING,END OF T_EKKO_STR.
DATA: WA_UCS_S_STAT_EXTRACT_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_UCS_S_STAT_EXTRACT_STR-ST_STATTYP sy-vline 
WA_UCS_S_STAT_EXTRACT_STR-UNAME sy-vline 
WA_UCS_S_STAT_EXTRACT_STR-BCS_AREA sy-vline 
WA_UCS_S_STAT_EXTRACT_STR-BCS_TASKTY sy-vline 
WA_UCS_S_STAT_EXTRACT_STR-BCS_TASK sy-vline 
WA_UCS_S_STAT_EXTRACT_STR-BCS_DELAYO sy-vline 
WA_UCS_S_STAT_EXTRACT_STR-TIMESTAMP sy-vline 
WA_UCS_S_STAT_EXTRACT_STR-WEB_SRVNM sy-vline 
WA_UCS_S_STAT_EXTRACT_STR-ST_ERROR sy-vline 
WA_UCS_S_STAT_EXTRACT_STR-ST_SDATE sy-vline 
WA_UCS_S_STAT_EXTRACT_STR-ST_STIME sy-vline 
WA_UCS_S_STAT_EXTRACT_STR-ST_APPLINK sy-vline 
WA_UCS_S_STAT_EXTRACT_STR-ST_EDATE sy-vline 
WA_UCS_S_STAT_EXTRACT_STR-ST_ETIME sy-vline 
WA_UCS_S_STAT_EXTRACT_STR-TIME sy-vline 
WA_UCS_S_STAT_EXTRACT_STR-LOGSYS sy-vline 
WA_UCS_S_STAT_EXTRACT_STR-CALDAY sy-vline 
WA_UCS_S_STAT_EXTRACT_STR-CALMONTH sy-vline 
WA_UCS_S_STAT_EXTRACT_STR-CALQUARTER sy-vline 
WA_UCS_S_STAT_EXTRACT_STR-CALWEEK sy-vline 
WA_UCS_S_STAT_EXTRACT_STR-CALYEAR sy-vline 
WA_UCS_S_STAT_EXTRACT_STR-ST_RTIME sy-vline 
WA_UCS_S_STAT_EXTRACT_STR-ST_STATCHC sy-vline 
WA_UCS_S_STAT_EXTRACT_STR-ST_TXREADT sy-vline 
WA_UCS_S_STAT_EXTRACT_STR-ST_TXRECMO sy-vline 
WA_UCS_S_STAT_EXTRACT_STR-ST_TXRECR sy-vline 
WA_UCS_S_STAT_EXTRACT_STR-ST_TXWRT sy-vline 
WA_UCS_S_STAT_EXTRACT_STR-ST_FUNCT sy-vline 
WA_UCS_S_STAT_EXTRACT_STR-ST_STATUPD sy-vline 
WA_UCS_S_STAT_EXTRACT_STR-ST_LOGTIME sy-vline 
WA_UCS_S_STAT_EXTRACT_STR-ST_NOORGU sy-vline 
WA_UCS_S_STAT_EXTRACT_STR-ST_AUTHCHT sy-vline 
WA_UCS_S_STAT_EXTRACT_STR-ST_ENQUET sy-vline 
WA_UCS_S_STAT_EXTRACT_STR-ST_RESETT sy-vline 
WA_UCS_S_STAT_EXTRACT_STR-ST_RESETR sy-vline 
WA_UCS_S_STAT_EXTRACT_STR-ST_COUNT sy-vline 
WA_UCS_S_STAT_EXTRACT_STR-ST_NOCONSG sy-vline      INTO ld_text SEPARATED BY SPACE.

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