ABAP Select data from SAP table CKML_S_COCKPIT_STATE_EXTENDED into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CKML_S_COCKPIT_STATE_EXTENDED
*  INTO TABLE @DATA(IT_CKML_S_COCKPIT_STATE_EXTENDED2).
*--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_CKML_S_COCKPIT_STATE_EXTENDED INDEX 1 INTO DATA(WA_CKML_S_COCKPIT_STATE_EXTENDED2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CKML_S_COCKPIT_STATE_EXTENDED>-MANDT = 1.
<CKML_S_COCKPIT_STATE_EXTENDED>-APPLICATION = 1.
<CKML_S_COCKPIT_STATE_EXTENDED>-KALUSER = 1.
<CKML_S_COCKPIT_STATE_EXTENDED>-RUN_ID = 1.
<CKML_S_COCKPIT_STATE_EXTENDED>-DISPLAY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CKML_S_COCKPIT_STATE_EXTENDED-COMSTATE, sy-vline,
  WA_CKML_S_COCKPIT_STATE_EXTENDED-PROCSTATE, sy-vline,
  WA_CKML_S_COCKPIT_STATE_EXTENDED-RESSTATE, sy-vline,
  WA_CKML_S_COCKPIT_STATE_EXTENDED-RESSIZE, sy-vline,
  WA_CKML_S_COCKPIT_STATE_EXTENDED-DISP_MODE, sy-vline,
  WA_CKML_S_COCKPIT_STATE_EXTENDED-MAT_FILTER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CKML_S_COCKPIT_STATE_EXTENDED 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_CKML_S_COCKPIT_STATE_EXTENDED 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_CKML_S_COCKPIT_STATE_EXTENDED INTO WA_CKML_S_COCKPIT_STATE_EXTENDED.


*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_CKML_S_COCKPIT_STATE_EXTENDED_STR, 
MANDT TYPE STRING,
APPLICATION TYPE STRING,
KALUSER TYPE STRING,
RUN_ID TYPE STRING,
DISPLAY TYPE STRING,
COMSTATE TYPE STRING,
PROCSTATE TYPE STRING,
RESSTATE TYPE STRING,
RESSIZE TYPE STRING,
DISP_MODE TYPE STRING,
MAT_FILTER TYPE STRING,
HIERARCHY_TYPE TYPE STRING,
SASH_POS TYPE STRING,
MAX_NR_MATERIALS TYPE STRING,
RES_VIEW TYPE STRING,
NEW_COSTINGRUN TYPE STRING,
CREATE TYPE STRING,
COPY TYPE STRING,
CHANGE TYPE STRING,
SHIFTED_GJAHR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CKML_S_COCKPIT_STATE_EXTENDED_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_CKML_S_COCKPIT_STATE_EXTENDED_STR-MANDT sy-vline 
WA_CKML_S_COCKPIT_STATE_EXTENDED_STR-APPLICATION sy-vline 
WA_CKML_S_COCKPIT_STATE_EXTENDED_STR-KALUSER sy-vline 
WA_CKML_S_COCKPIT_STATE_EXTENDED_STR-RUN_ID sy-vline 
WA_CKML_S_COCKPIT_STATE_EXTENDED_STR-DISPLAY sy-vline 
WA_CKML_S_COCKPIT_STATE_EXTENDED_STR-COMSTATE sy-vline 
WA_CKML_S_COCKPIT_STATE_EXTENDED_STR-PROCSTATE sy-vline 
WA_CKML_S_COCKPIT_STATE_EXTENDED_STR-RESSTATE sy-vline 
WA_CKML_S_COCKPIT_STATE_EXTENDED_STR-RESSIZE sy-vline 
WA_CKML_S_COCKPIT_STATE_EXTENDED_STR-DISP_MODE sy-vline 
WA_CKML_S_COCKPIT_STATE_EXTENDED_STR-MAT_FILTER sy-vline 
WA_CKML_S_COCKPIT_STATE_EXTENDED_STR-HIERARCHY_TYPE sy-vline 
WA_CKML_S_COCKPIT_STATE_EXTENDED_STR-SASH_POS sy-vline 
WA_CKML_S_COCKPIT_STATE_EXTENDED_STR-MAX_NR_MATERIALS sy-vline 
WA_CKML_S_COCKPIT_STATE_EXTENDED_STR-RES_VIEW sy-vline 
WA_CKML_S_COCKPIT_STATE_EXTENDED_STR-NEW_COSTINGRUN sy-vline 
WA_CKML_S_COCKPIT_STATE_EXTENDED_STR-CREATE sy-vline 
WA_CKML_S_COCKPIT_STATE_EXTENDED_STR-COPY sy-vline 
WA_CKML_S_COCKPIT_STATE_EXTENDED_STR-CHANGE sy-vline 
WA_CKML_S_COCKPIT_STATE_EXTENDED_STR-SHIFTED_GJAHR sy-vline      INTO ld_text SEPARATED BY SPACE.

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