ABAP Select data from SAP table KMCWS_GET_GLOBAL_PERF_OUT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM KMCWS_GET_GLOBAL_PERF_OUT
*  INTO TABLE @DATA(IT_KMCWS_GET_GLOBAL_PERF_OUT2).
*--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_KMCWS_GET_GLOBAL_PERF_OUT INDEX 1 INTO DATA(WA_KMCWS_GET_GLOBAL_PERF_OUT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<KMCWS_GET_GLOBAL_PERF_OUT>-CONTROLLER = 1.
<KMCWS_GET_GLOBAL_PERF_OUT>-RESPONSE = 1.
<KMCWS_GET_GLOBAL_PERF_OUT>-CONTROLLER = 1.
<KMCWS_GET_GLOBAL_PERF_OUT>-PERF_ON_BEAN = 1.
<KMCWS_GET_GLOBAL_PERF_OUT>-CONTROLLER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_KMCWS_GET_GLOBAL_PERF_OUT-ACTIVATE_COUNT, sy-vline,
  WA_KMCWS_GET_GLOBAL_PERF_OUT-CREATE_COUNT, sy-vline,
  WA_KMCWS_GET_GLOBAL_PERF_OUT-PASSIVATE_COUNT, sy-vline,
  WA_KMCWS_GET_GLOBAL_PERF_OUT-REMOVE_COUNT, sy-vline,
  WA_KMCWS_GET_GLOBAL_PERF_OUT-SET_SESSION_CONTEXT_COUNT, sy-vline,
  WA_KMCWS_GET_GLOBAL_PERF_OUT-PERF_ON_METHODS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_KMCWS_GET_GLOBAL_PERF_OUT 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_KMCWS_GET_GLOBAL_PERF_OUT 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_KMCWS_GET_GLOBAL_PERF_OUT INTO WA_KMCWS_GET_GLOBAL_PERF_OUT.


*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_KMCWS_GET_GLOBAL_PERF_OUT_STR, 
CONTROLLER TYPE STRING,
RESPONSE TYPE STRING,
CONTROLLER TYPE STRING,
PERF_ON_BEAN TYPE STRING,
CONTROLLER TYPE STRING,
ACTIVATE_COUNT TYPE STRING,
CREATE_COUNT TYPE STRING,
PASSIVATE_COUNT TYPE STRING,
REMOVE_COUNT TYPE STRING,
SET_SESSION_CONTEXT_COUNT TYPE STRING,
PERF_ON_METHODS TYPE STRING,
CONTROLLER TYPE STRING,
PERF_ON_METHOD_RF TYPE STRING,
SCOPE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_KMCWS_GET_GLOBAL_PERF_OUT_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_KMCWS_GET_GLOBAL_PERF_OUT_STR-CONTROLLER sy-vline 
WA_KMCWS_GET_GLOBAL_PERF_OUT_STR-RESPONSE sy-vline 
WA_KMCWS_GET_GLOBAL_PERF_OUT_STR-CONTROLLER sy-vline 
WA_KMCWS_GET_GLOBAL_PERF_OUT_STR-PERF_ON_BEAN sy-vline 
WA_KMCWS_GET_GLOBAL_PERF_OUT_STR-CONTROLLER sy-vline 
WA_KMCWS_GET_GLOBAL_PERF_OUT_STR-ACTIVATE_COUNT sy-vline 
WA_KMCWS_GET_GLOBAL_PERF_OUT_STR-CREATE_COUNT sy-vline 
WA_KMCWS_GET_GLOBAL_PERF_OUT_STR-PASSIVATE_COUNT sy-vline 
WA_KMCWS_GET_GLOBAL_PERF_OUT_STR-REMOVE_COUNT sy-vline 
WA_KMCWS_GET_GLOBAL_PERF_OUT_STR-SET_SESSION_CONTEXT_COUNT sy-vline 
WA_KMCWS_GET_GLOBAL_PERF_OUT_STR-PERF_ON_METHODS sy-vline 
WA_KMCWS_GET_GLOBAL_PERF_OUT_STR-CONTROLLER sy-vline 
WA_KMCWS_GET_GLOBAL_PERF_OUT_STR-PERF_ON_METHOD_RF sy-vline 
WA_KMCWS_GET_GLOBAL_PERF_OUT_STR-SCOPE sy-vline      INTO ld_text SEPARATED BY SPACE.

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