ABAP Select data from SAP table MLCCS_S_COST_COMPONENTS_ENHC into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM MLCCS_S_COST_COMPONENTS_ENHC
*  INTO TABLE @DATA(IT_MLCCS_S_COST_COMPONENTS_ENHC2).
*--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_MLCCS_S_COST_COMPONENTS_ENHC INDEX 1 INTO DATA(WA_MLCCS_S_COST_COMPONENTS_ENHC2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<MLCCS_S_COST_COMPONENTS_ENHC>-KST041 = 1.
<MLCCS_S_COST_COMPONENTS_ENHC>-KST042 = 1.
<MLCCS_S_COST_COMPONENTS_ENHC>-KST043 = 1.
<MLCCS_S_COST_COMPONENTS_ENHC>-KST044 = 1.
<MLCCS_S_COST_COMPONENTS_ENHC>-KST045 = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_MLCCS_S_COST_COMPONENTS_ENHC-KST046, sy-vline,
  WA_MLCCS_S_COST_COMPONENTS_ENHC-KST047, sy-vline,
  WA_MLCCS_S_COST_COMPONENTS_ENHC-KST048, sy-vline,
  WA_MLCCS_S_COST_COMPONENTS_ENHC-KST049, sy-vline,
  WA_MLCCS_S_COST_COMPONENTS_ENHC-KST050, sy-vline,
  WA_MLCCS_S_COST_COMPONENTS_ENHC-KST051, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_MLCCS_S_COST_COMPONENTS_ENHC 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_MLCCS_S_COST_COMPONENTS_ENHC 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_MLCCS_S_COST_COMPONENTS_ENHC INTO WA_MLCCS_S_COST_COMPONENTS_ENHC.


*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_MLCCS_S_COST_COMPONENTS_ENHC_STR, 
KST041 TYPE STRING,
KST042 TYPE STRING,
KST043 TYPE STRING,
KST044 TYPE STRING,
KST045 TYPE STRING,
KST046 TYPE STRING,
KST047 TYPE STRING,
KST048 TYPE STRING,
KST049 TYPE STRING,
KST050 TYPE STRING,
KST051 TYPE STRING,
KST052 TYPE STRING,
KST053 TYPE STRING,
KST054 TYPE STRING,
KST055 TYPE STRING,
KST056 TYPE STRING,
KST057 TYPE STRING,
KST058 TYPE STRING,
KST059 TYPE STRING,
KST060 TYPE STRING,
KST061 TYPE STRING,
KST062 TYPE STRING,
KST063 TYPE STRING,
KST064 TYPE STRING,
KST065 TYPE STRING,
KST066 TYPE STRING,
KST067 TYPE STRING,
KST068 TYPE STRING,
KST069 TYPE STRING,
KST070 TYPE STRING,
KST071 TYPE STRING,
KST072 TYPE STRING,
KST073 TYPE STRING,
KST074 TYPE STRING,
KST075 TYPE STRING,
KST076 TYPE STRING,
KST077 TYPE STRING,
KST078 TYPE STRING,
KST079 TYPE STRING,
KST080 TYPE STRING,
KST081 TYPE STRING,
KST082 TYPE STRING,
KST083 TYPE STRING,
KST084 TYPE STRING,
KST085 TYPE STRING,
KST086 TYPE STRING,
KST087 TYPE STRING,
KST088 TYPE STRING,
KST089 TYPE STRING,
KST090 TYPE STRING,
KST091 TYPE STRING,
KST092 TYPE STRING,
KST093 TYPE STRING,
KST094 TYPE STRING,
KST095 TYPE STRING,
KST096 TYPE STRING,
KST097 TYPE STRING,
KST098 TYPE STRING,
KST099 TYPE STRING,
KST100 TYPE STRING,
KST101 TYPE STRING,
KST102 TYPE STRING,
KST103 TYPE STRING,
KST104 TYPE STRING,
KST105 TYPE STRING,
KST106 TYPE STRING,
KST107 TYPE STRING,
KST108 TYPE STRING,
KST109 TYPE STRING,
KST110 TYPE STRING,
KST111 TYPE STRING,
KST112 TYPE STRING,
KST113 TYPE STRING,
KST114 TYPE STRING,
KST115 TYPE STRING,
KST116 TYPE STRING,
KST117 TYPE STRING,
KST118 TYPE STRING,
KST119 TYPE STRING,
KST120 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_MLCCS_S_COST_COMPONENTS_ENHC_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_MLCCS_S_COST_COMPONENTS_ENHC_STR-KST041 sy-vline 
WA_MLCCS_S_COST_COMPONENTS_ENHC_STR-KST042 sy-vline 
WA_MLCCS_S_COST_COMPONENTS_ENHC_STR-KST043 sy-vline 
WA_MLCCS_S_COST_COMPONENTS_ENHC_STR-KST044 sy-vline 
WA_MLCCS_S_COST_COMPONENTS_ENHC_STR-KST045 sy-vline 
WA_MLCCS_S_COST_COMPONENTS_ENHC_STR-KST046 sy-vline 
WA_MLCCS_S_COST_COMPONENTS_ENHC_STR-KST047 sy-vline 
WA_MLCCS_S_COST_COMPONENTS_ENHC_STR-KST048 sy-vline 
WA_MLCCS_S_COST_COMPONENTS_ENHC_STR-KST049 sy-vline 
WA_MLCCS_S_COST_COMPONENTS_ENHC_STR-KST050 sy-vline 
WA_MLCCS_S_COST_COMPONENTS_ENHC_STR-KST051 sy-vline 
WA_MLCCS_S_COST_COMPONENTS_ENHC_STR-KST052 sy-vline 
WA_MLCCS_S_COST_COMPONENTS_ENHC_STR-KST053 sy-vline 
WA_MLCCS_S_COST_COMPONENTS_ENHC_STR-KST054 sy-vline 
WA_MLCCS_S_COST_COMPONENTS_ENHC_STR-KST055 sy-vline 
WA_MLCCS_S_COST_COMPONENTS_ENHC_STR-KST056 sy-vline 
WA_MLCCS_S_COST_COMPONENTS_ENHC_STR-KST057 sy-vline 
WA_MLCCS_S_COST_COMPONENTS_ENHC_STR-KST058 sy-vline 
WA_MLCCS_S_COST_COMPONENTS_ENHC_STR-KST059 sy-vline 
WA_MLCCS_S_COST_COMPONENTS_ENHC_STR-KST060 sy-vline 
WA_MLCCS_S_COST_COMPONENTS_ENHC_STR-KST061 sy-vline 
WA_MLCCS_S_COST_COMPONENTS_ENHC_STR-KST062 sy-vline 
WA_MLCCS_S_COST_COMPONENTS_ENHC_STR-KST063 sy-vline 
WA_MLCCS_S_COST_COMPONENTS_ENHC_STR-KST064 sy-vline 
WA_MLCCS_S_COST_COMPONENTS_ENHC_STR-KST065 sy-vline 
WA_MLCCS_S_COST_COMPONENTS_ENHC_STR-KST066 sy-vline 
WA_MLCCS_S_COST_COMPONENTS_ENHC_STR-KST067 sy-vline 
WA_MLCCS_S_COST_COMPONENTS_ENHC_STR-KST068 sy-vline 
WA_MLCCS_S_COST_COMPONENTS_ENHC_STR-KST069 sy-vline 
WA_MLCCS_S_COST_COMPONENTS_ENHC_STR-KST070 sy-vline 
WA_MLCCS_S_COST_COMPONENTS_ENHC_STR-KST071 sy-vline 
WA_MLCCS_S_COST_COMPONENTS_ENHC_STR-KST072 sy-vline 
WA_MLCCS_S_COST_COMPONENTS_ENHC_STR-KST073 sy-vline 
WA_MLCCS_S_COST_COMPONENTS_ENHC_STR-KST074 sy-vline 
WA_MLCCS_S_COST_COMPONENTS_ENHC_STR-KST075 sy-vline 
WA_MLCCS_S_COST_COMPONENTS_ENHC_STR-KST076 sy-vline 
WA_MLCCS_S_COST_COMPONENTS_ENHC_STR-KST077 sy-vline 
WA_MLCCS_S_COST_COMPONENTS_ENHC_STR-KST078 sy-vline 
WA_MLCCS_S_COST_COMPONENTS_ENHC_STR-KST079 sy-vline 
WA_MLCCS_S_COST_COMPONENTS_ENHC_STR-KST080 sy-vline 
WA_MLCCS_S_COST_COMPONENTS_ENHC_STR-KST081 sy-vline 
WA_MLCCS_S_COST_COMPONENTS_ENHC_STR-KST082 sy-vline 
WA_MLCCS_S_COST_COMPONENTS_ENHC_STR-KST083 sy-vline 
WA_MLCCS_S_COST_COMPONENTS_ENHC_STR-KST084 sy-vline 
WA_MLCCS_S_COST_COMPONENTS_ENHC_STR-KST085 sy-vline 
WA_MLCCS_S_COST_COMPONENTS_ENHC_STR-KST086 sy-vline 
WA_MLCCS_S_COST_COMPONENTS_ENHC_STR-KST087 sy-vline 
WA_MLCCS_S_COST_COMPONENTS_ENHC_STR-KST088 sy-vline 
WA_MLCCS_S_COST_COMPONENTS_ENHC_STR-KST089 sy-vline 
WA_MLCCS_S_COST_COMPONENTS_ENHC_STR-KST090 sy-vline 
WA_MLCCS_S_COST_COMPONENTS_ENHC_STR-KST091 sy-vline 
WA_MLCCS_S_COST_COMPONENTS_ENHC_STR-KST092 sy-vline 
WA_MLCCS_S_COST_COMPONENTS_ENHC_STR-KST093 sy-vline 
WA_MLCCS_S_COST_COMPONENTS_ENHC_STR-KST094 sy-vline 
WA_MLCCS_S_COST_COMPONENTS_ENHC_STR-KST095 sy-vline 
WA_MLCCS_S_COST_COMPONENTS_ENHC_STR-KST096 sy-vline 
WA_MLCCS_S_COST_COMPONENTS_ENHC_STR-KST097 sy-vline 
WA_MLCCS_S_COST_COMPONENTS_ENHC_STR-KST098 sy-vline 
WA_MLCCS_S_COST_COMPONENTS_ENHC_STR-KST099 sy-vline 
WA_MLCCS_S_COST_COMPONENTS_ENHC_STR-KST100 sy-vline 
WA_MLCCS_S_COST_COMPONENTS_ENHC_STR-KST101 sy-vline 
WA_MLCCS_S_COST_COMPONENTS_ENHC_STR-KST102 sy-vline 
WA_MLCCS_S_COST_COMPONENTS_ENHC_STR-KST103 sy-vline 
WA_MLCCS_S_COST_COMPONENTS_ENHC_STR-KST104 sy-vline 
WA_MLCCS_S_COST_COMPONENTS_ENHC_STR-KST105 sy-vline 
WA_MLCCS_S_COST_COMPONENTS_ENHC_STR-KST106 sy-vline 
WA_MLCCS_S_COST_COMPONENTS_ENHC_STR-KST107 sy-vline 
WA_MLCCS_S_COST_COMPONENTS_ENHC_STR-KST108 sy-vline 
WA_MLCCS_S_COST_COMPONENTS_ENHC_STR-KST109 sy-vline 
WA_MLCCS_S_COST_COMPONENTS_ENHC_STR-KST110 sy-vline 
WA_MLCCS_S_COST_COMPONENTS_ENHC_STR-KST111 sy-vline 
WA_MLCCS_S_COST_COMPONENTS_ENHC_STR-KST112 sy-vline 
WA_MLCCS_S_COST_COMPONENTS_ENHC_STR-KST113 sy-vline 
WA_MLCCS_S_COST_COMPONENTS_ENHC_STR-KST114 sy-vline 
WA_MLCCS_S_COST_COMPONENTS_ENHC_STR-KST115 sy-vline 
WA_MLCCS_S_COST_COMPONENTS_ENHC_STR-KST116 sy-vline 
WA_MLCCS_S_COST_COMPONENTS_ENHC_STR-KST117 sy-vline 
WA_MLCCS_S_COST_COMPONENTS_ENHC_STR-KST118 sy-vline 
WA_MLCCS_S_COST_COMPONENTS_ENHC_STR-KST119 sy-vline 
WA_MLCCS_S_COST_COMPONENTS_ENHC_STR-KST120 sy-vline      INTO ld_text SEPARATED BY SPACE.

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