ABAP Select data from SAP table /ISDFPS/151PM_BOM_ITEM into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /ISDFPS/151PM_BOM_ITEM 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 /ISDFPS/151PM_BOM_ITEM. 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 /ISDFPS/151PM_BOM_ITEM 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_/ISDFPS/151PM_BOM_ITEM TYPE STANDARD TABLE OF /ISDFPS/151PM_BOM_ITEM,
      WA_/ISDFPS/151PM_BOM_ITEM TYPE /ISDFPS/151PM_BOM_ITEM,
      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: </ISDFPS/151PM_BOM_ITEM> TYPE /ISDFPS/151PM_BOM_ITEM.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/ISDFPS/151PM_BOM_ITEM.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /ISDFPS/151PM_BOM_ITEM
  INTO TABLE IT_/ISDFPS/151PM_BOM_ITEM.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /ISDFPS/151PM_BOM_ITEM
*  INTO TABLE @DATA(IT_/ISDFPS/151PM_BOM_ITEM2).
*--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_/ISDFPS/151PM_BOM_ITEM INDEX 1 INTO DATA(WA_/ISDFPS/151PM_BOM_ITEM2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/ISDFPS/151PM_BOM_ITEM ASSIGNING </ISDFPS/151PM_BOM_ITEM>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</ISDFPS/151PM_BOM_ITEM>-MATNR = 1.
</ISDFPS/151PM_BOM_ITEM>-WERKS = 1.
</ISDFPS/151PM_BOM_ITEM>-STLAN = 1.
</ISDFPS/151PM_BOM_ITEM>-STLNR = 1.
</ISDFPS/151PM_BOM_ITEM>-STLAL = 1.

ENDLOOP.

LOOP AT IT_/ISDFPS/151PM_BOM_ITEM INTO WA_/ISDFPS/151PM_BOM_ITEM.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/ISDFPS/151PM_BOM_ITEM-ITEM_CATEG, sy-vline,
  WA_/ISDFPS/151PM_BOM_ITEM-ITEM_NO, sy-vline,
  WA_/ISDFPS/151PM_BOM_ITEM-COMPONENT, sy-vline,
  WA_/ISDFPS/151PM_BOM_ITEM-COMP_QTY, sy-vline,
  WA_/ISDFPS/151PM_BOM_ITEM-COMP_UNIT, sy-vline,
  WA_/ISDFPS/151PM_BOM_ITEM-FIXED_QTY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/ISDFPS/151PM_BOM_ITEM 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_/ISDFPS/151PM_BOM_ITEM 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_/ISDFPS/151PM_BOM_ITEM INTO WA_/ISDFPS/151PM_BOM_ITEM.


*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 MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_/ISDFPS/151PM_BOM_ITEM-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ISDFPS/151PM_BOM_ITEM-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit NUMCV, internal->external for field STLNR
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_/ISDFPS/151PM_BOM_ITEM-STLNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ISDFPS/151PM_BOM_ITEM-STLNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field STLAL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/ISDFPS/151PM_BOM_ITEM-STLAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ISDFPS/151PM_BOM_ITEM-STLAL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit NUMCV, internal->external for field ITEM_NO
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_/ISDFPS/151PM_BOM_ITEM-ITEM_NO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ISDFPS/151PM_BOM_ITEM-ITEM_NO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EHSMA, internal->external for field COMPONENT
CALL FUNCTION 'CONVERSION_EXIT_EHSMA_OUTPUT'
  EXPORTING
    input =                      WA_/ISDFPS/151PM_BOM_ITEM-COMPONENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ISDFPS/151PM_BOM_ITEM-COMPONENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field COMP_UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/ISDFPS/151PM_BOM_ITEM-COMP_UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ISDFPS/151PM_BOM_ITEM-COMP_UNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BOM_ALT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/ISDFPS/151PM_BOM_ITEM-BOM_ALT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ISDFPS/151PM_BOM_ITEM-BOM_ALT.
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_/ISDFPS/151PM_BOM_ITEM_STR, 
MATNR TYPE STRING,
WERKS TYPE STRING,
STLAN TYPE STRING,
STLNR TYPE STRING,
STLAL TYPE STRING,
ITEM_CATEG TYPE STRING,
ITEM_NO TYPE STRING,
COMPONENT TYPE STRING,
COMP_QTY TYPE STRING,
COMP_UNIT TYPE STRING,
FIXED_QTY TYPE STRING,
ITEM_NODE TYPE STRING,
VALID_TO TYPE STRING,
BOM_ALT TYPE STRING,
FLDELETE TYPE STRING,
REC_ALLOWD TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/ISDFPS/151PM_BOM_ITEM_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_/ISDFPS/151PM_BOM_ITEM_STR-MATNR sy-vline 
WA_/ISDFPS/151PM_BOM_ITEM_STR-WERKS sy-vline 
WA_/ISDFPS/151PM_BOM_ITEM_STR-STLAN sy-vline 
WA_/ISDFPS/151PM_BOM_ITEM_STR-STLNR sy-vline 
WA_/ISDFPS/151PM_BOM_ITEM_STR-STLAL sy-vline 
WA_/ISDFPS/151PM_BOM_ITEM_STR-ITEM_CATEG sy-vline 
WA_/ISDFPS/151PM_BOM_ITEM_STR-ITEM_NO sy-vline 
WA_/ISDFPS/151PM_BOM_ITEM_STR-COMPONENT sy-vline 
WA_/ISDFPS/151PM_BOM_ITEM_STR-COMP_QTY sy-vline 
WA_/ISDFPS/151PM_BOM_ITEM_STR-COMP_UNIT sy-vline 
WA_/ISDFPS/151PM_BOM_ITEM_STR-FIXED_QTY sy-vline 
WA_/ISDFPS/151PM_BOM_ITEM_STR-ITEM_NODE sy-vline 
WA_/ISDFPS/151PM_BOM_ITEM_STR-VALID_TO sy-vline 
WA_/ISDFPS/151PM_BOM_ITEM_STR-BOM_ALT sy-vline 
WA_/ISDFPS/151PM_BOM_ITEM_STR-FLDELETE sy-vline 
WA_/ISDFPS/151PM_BOM_ITEM_STR-REC_ALLOWD sy-vline      INTO ld_text SEPARATED BY SPACE.

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