ABAP Select data from SAP table SPCT_LEAN_ITEM_WRK_DATA into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM SPCT_LEAN_ITEM_WRK_DATA
*  INTO TABLE @DATA(IT_SPCT_LEAN_ITEM_WRK_DATA2).
*--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_SPCT_LEAN_ITEM_WRK_DATA INDEX 1 INTO DATA(WA_SPCT_LEAN_ITEM_WRK_DATA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<SPCT_LEAN_ITEM_WRK_DATA>-KPOSN = 1.
<SPCT_LEAN_ITEM_WRK_DATA>-EXTERNAL_ITEM_NO = 1.
<SPCT_LEAN_ITEM_WRK_DATA>-UEPOS = 1.
<SPCT_LEAN_ITEM_WRK_DATA>-MATNR = 1.
<SPCT_LEAN_ITEM_WRK_DATA>-PRODUCT_ERP = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_SPCT_LEAN_ITEM_WRK_DATA-DECOUPLE_SUBITEMS, sy-vline,
  WA_SPCT_LEAN_ITEM_WRK_DATA-MULTIPLICITY, sy-vline,
  WA_SPCT_LEAN_ITEM_WRK_DATA-PRICING_RELEVANT, sy-vline,
  WA_SPCT_LEAN_ITEM_WRK_DATA-SHKZG, sy-vline,
  WA_SPCT_LEAN_ITEM_WRK_DATA-KOWRR, sy-vline,
  WA_SPCT_LEAN_ITEM_WRK_DATA-KAEND_TYP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_SPCT_LEAN_ITEM_WRK_DATA 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_SPCT_LEAN_ITEM_WRK_DATA 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_SPCT_LEAN_ITEM_WRK_DATA INTO WA_SPCT_LEAN_ITEM_WRK_DATA.


*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_SPCT_LEAN_ITEM_WRK_DATA_STR, 
KPOSN TYPE STRING,
EXTERNAL_ITEM_NO TYPE STRING,
UEPOS TYPE STRING,
MATNR TYPE STRING,
PRODUCT_ERP TYPE STRING,
DECOUPLE_SUBITEMS TYPE STRING,
MULTIPLICITY TYPE STRING,
PRICING_RELEVANT TYPE STRING,
SHKZG TYPE STRING,
KOWRR TYPE STRING,
KAEND_TYP TYPE STRING,
FIX_GROUP TYPE STRING,
KURSK_DAT TYPE STRING,
KURST TYPE STRING,
KURSK TYPE STRING,
MGAME TYPE STRING,
VRKME TYPE STRING,
NUM TYPE STRING,
DEN TYPE STRING,
EXPONENT TYPE STRING,
BRGEW TYPE STRING,
NTGEW TYPE STRING,
GEWEI TYPE STRING,
VOLUM TYPE STRING,
VOLEH TYPE STRING,
ANZPU TYPE STRING,
PUNEI TYPE STRING,
BASE_DAYS_PER_MONTH TYPE STRING,
BASE_DAYS_PER_YEAR TYPE STRING,
DATE_FROM_B TYPE STRING,
DATE_TO_B TYPE STRING,
BASE_NUMBER_OF_DAYS TYPE STRING,
BASE_NUMBER_OF_WEEKS TYPE STRING,
BASE_NUMBER_OF_MONTHS TYPE STRING,
BASE_NUMBER_OF_YEARS TYPE STRING,
DATE_FROM_S TYPE STRING,
DATE_TO_S TYPE STRING,
DAYS_S TYPE STRING,
WEEKS_S TYPE STRING,
MONTHS_S TYPE STRING,
YEARS_S TYPE STRING,
TIME_ACCESS TYPE STRING,
XHIGH_LEVEL_ITEM_ID TYPE STRING,
XPRODUCT_ID TYPE STRING,
XPRICING_RELEVANT TYPE STRING,
XRETURN_FLAG TYPE STRING,
XSTATISTICAL TYPE STRING,
XUNCHANGEABLE TYPE STRING,
XQUANTITY TYPE STRING,
XNUMERATOR TYPE STRING,
XWEIGHT TYPE STRING,
XVOLUME TYPE STRING,
XPOINTS TYPE STRING,
XBASE TYPE STRING,
XSCALE TYPE STRING,
XVARIANT_CONDITION TYPE STRING,
EXIST_DB TYPE STRING,
ITEM_TYP TYPE STRING,
PARENT_ITEM_TYP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_SPCT_LEAN_ITEM_WRK_DATA_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_SPCT_LEAN_ITEM_WRK_DATA_STR-KPOSN sy-vline 
WA_SPCT_LEAN_ITEM_WRK_DATA_STR-EXTERNAL_ITEM_NO sy-vline 
WA_SPCT_LEAN_ITEM_WRK_DATA_STR-UEPOS sy-vline 
WA_SPCT_LEAN_ITEM_WRK_DATA_STR-MATNR sy-vline 
WA_SPCT_LEAN_ITEM_WRK_DATA_STR-PRODUCT_ERP sy-vline 
WA_SPCT_LEAN_ITEM_WRK_DATA_STR-DECOUPLE_SUBITEMS sy-vline 
WA_SPCT_LEAN_ITEM_WRK_DATA_STR-MULTIPLICITY sy-vline 
WA_SPCT_LEAN_ITEM_WRK_DATA_STR-PRICING_RELEVANT sy-vline 
WA_SPCT_LEAN_ITEM_WRK_DATA_STR-SHKZG sy-vline 
WA_SPCT_LEAN_ITEM_WRK_DATA_STR-KOWRR sy-vline 
WA_SPCT_LEAN_ITEM_WRK_DATA_STR-KAEND_TYP sy-vline 
WA_SPCT_LEAN_ITEM_WRK_DATA_STR-FIX_GROUP sy-vline 
WA_SPCT_LEAN_ITEM_WRK_DATA_STR-KURSK_DAT sy-vline 
WA_SPCT_LEAN_ITEM_WRK_DATA_STR-KURST sy-vline 
WA_SPCT_LEAN_ITEM_WRK_DATA_STR-KURSK sy-vline 
WA_SPCT_LEAN_ITEM_WRK_DATA_STR-MGAME sy-vline 
WA_SPCT_LEAN_ITEM_WRK_DATA_STR-VRKME sy-vline 
WA_SPCT_LEAN_ITEM_WRK_DATA_STR-NUM sy-vline 
WA_SPCT_LEAN_ITEM_WRK_DATA_STR-DEN sy-vline 
WA_SPCT_LEAN_ITEM_WRK_DATA_STR-EXPONENT sy-vline 
WA_SPCT_LEAN_ITEM_WRK_DATA_STR-BRGEW sy-vline 
WA_SPCT_LEAN_ITEM_WRK_DATA_STR-NTGEW sy-vline 
WA_SPCT_LEAN_ITEM_WRK_DATA_STR-GEWEI sy-vline 
WA_SPCT_LEAN_ITEM_WRK_DATA_STR-VOLUM sy-vline 
WA_SPCT_LEAN_ITEM_WRK_DATA_STR-VOLEH sy-vline 
WA_SPCT_LEAN_ITEM_WRK_DATA_STR-ANZPU sy-vline 
WA_SPCT_LEAN_ITEM_WRK_DATA_STR-PUNEI sy-vline 
WA_SPCT_LEAN_ITEM_WRK_DATA_STR-BASE_DAYS_PER_MONTH sy-vline 
WA_SPCT_LEAN_ITEM_WRK_DATA_STR-BASE_DAYS_PER_YEAR sy-vline 
WA_SPCT_LEAN_ITEM_WRK_DATA_STR-DATE_FROM_B sy-vline 
WA_SPCT_LEAN_ITEM_WRK_DATA_STR-DATE_TO_B sy-vline 
WA_SPCT_LEAN_ITEM_WRK_DATA_STR-BASE_NUMBER_OF_DAYS sy-vline 
WA_SPCT_LEAN_ITEM_WRK_DATA_STR-BASE_NUMBER_OF_WEEKS sy-vline 
WA_SPCT_LEAN_ITEM_WRK_DATA_STR-BASE_NUMBER_OF_MONTHS sy-vline 
WA_SPCT_LEAN_ITEM_WRK_DATA_STR-BASE_NUMBER_OF_YEARS sy-vline 
WA_SPCT_LEAN_ITEM_WRK_DATA_STR-DATE_FROM_S sy-vline 
WA_SPCT_LEAN_ITEM_WRK_DATA_STR-DATE_TO_S sy-vline 
WA_SPCT_LEAN_ITEM_WRK_DATA_STR-DAYS_S sy-vline 
WA_SPCT_LEAN_ITEM_WRK_DATA_STR-WEEKS_S sy-vline 
WA_SPCT_LEAN_ITEM_WRK_DATA_STR-MONTHS_S sy-vline 
WA_SPCT_LEAN_ITEM_WRK_DATA_STR-YEARS_S sy-vline 
WA_SPCT_LEAN_ITEM_WRK_DATA_STR-TIME_ACCESS sy-vline 
WA_SPCT_LEAN_ITEM_WRK_DATA_STR-XHIGH_LEVEL_ITEM_ID sy-vline 
WA_SPCT_LEAN_ITEM_WRK_DATA_STR-XPRODUCT_ID sy-vline 
WA_SPCT_LEAN_ITEM_WRK_DATA_STR-XPRICING_RELEVANT sy-vline 
WA_SPCT_LEAN_ITEM_WRK_DATA_STR-XRETURN_FLAG sy-vline 
WA_SPCT_LEAN_ITEM_WRK_DATA_STR-XSTATISTICAL sy-vline 
WA_SPCT_LEAN_ITEM_WRK_DATA_STR-XUNCHANGEABLE sy-vline 
WA_SPCT_LEAN_ITEM_WRK_DATA_STR-XQUANTITY sy-vline 
WA_SPCT_LEAN_ITEM_WRK_DATA_STR-XNUMERATOR sy-vline 
WA_SPCT_LEAN_ITEM_WRK_DATA_STR-XWEIGHT sy-vline 
WA_SPCT_LEAN_ITEM_WRK_DATA_STR-XVOLUME sy-vline 
WA_SPCT_LEAN_ITEM_WRK_DATA_STR-XPOINTS sy-vline 
WA_SPCT_LEAN_ITEM_WRK_DATA_STR-XBASE sy-vline 
WA_SPCT_LEAN_ITEM_WRK_DATA_STR-XSCALE sy-vline 
WA_SPCT_LEAN_ITEM_WRK_DATA_STR-XVARIANT_CONDITION sy-vline 
WA_SPCT_LEAN_ITEM_WRK_DATA_STR-EXIST_DB sy-vline 
WA_SPCT_LEAN_ITEM_WRK_DATA_STR-ITEM_TYP sy-vline 
WA_SPCT_LEAN_ITEM_WRK_DATA_STR-PARENT_ITEM_TYP sy-vline      INTO ld_text SEPARATED BY SPACE.

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