ABAP Select data from SAP table RFMPPBOMITEMS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RFMPPBOMITEMS
*  INTO TABLE @DATA(IT_RFMPPBOMITEMS2).
*--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_RFMPPBOMITEMS INDEX 1 INTO DATA(WA_RFMPPBOMITEMS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RFMPPBOMITEMS>-MANDT = 1.
<RFMPPBOMITEMS>-BILLOFMATERIALCATEGORY = 1.
<RFMPPBOMITEMS>-BILLOFMATERIAL = 1.
<RFMPPBOMITEMS>-BILLOFMATERIALVARIANT = 1.
<RFMPPBOMITEMS>-BILLOFMATERIALITEMNODENUMBER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RFMPPBOMITEMS-BOMITEMINTERNALCHANGECOUNT, sy-vline,
  WA_RFMPPBOMITEMS-BILLOFMATERIALITEMNUMBER, sy-vline,
  WA_RFMPPBOMITEMS-BILLOFMATERIALITEMCATEGORY, sy-vline,
  WA_RFMPPBOMITEMS-BILLOFMATERIALCOMPONENT, sy-vline,
  WA_RFMPPBOMITEMS-BILLOFMATERIALITEMQUANTITY, sy-vline,
  WA_RFMPPBOMITEMS-BILLOFMATERIALITEMUNIT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RFMPPBOMITEMS 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_RFMPPBOMITEMS 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_RFMPPBOMITEMS INTO WA_RFMPPBOMITEMS.


*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 NUMCV, internal->external for field BILLOFMATERIAL
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_RFMPPBOMITEMS-BILLOFMATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RFMPPBOMITEMS-BILLOFMATERIAL.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit MATN1, internal->external for field BILLOFMATERIALCOMPONENT
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_RFMPPBOMITEMS-BILLOFMATERIALCOMPONENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RFMPPBOMITEMS-BILLOFMATERIALCOMPONENT.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit CUNIT, internal->external for field OPERATIONLEADTIMEOFFSETUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_RFMPPBOMITEMS-OPERATIONLEADTIMEOFFSETUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RFMPPBOMITEMS-OPERATIONLEADTIMEOFFSETUNIT.
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_RFMPPBOMITEMS_STR, 
MANDT TYPE STRING,
BILLOFMATERIALCATEGORY TYPE STRING,
BILLOFMATERIAL TYPE STRING,
BILLOFMATERIALVARIANT TYPE STRING,
BILLOFMATERIALITEMNODENUMBER TYPE STRING,
BOMITEMINTERNALCHANGECOUNT TYPE STRING,
BILLOFMATERIALITEMNUMBER TYPE STRING,
BILLOFMATERIALITEMCATEGORY TYPE STRING,
BILLOFMATERIALCOMPONENT TYPE STRING,
BILLOFMATERIALITEMQUANTITY TYPE STRING,
BILLOFMATERIALITEMUNIT TYPE STRING,
VALIDITYSTARTDATE TYPE STRING,
VALIDITYENDDATE TYPE STRING,
ITEMCHANGENUMBERFROM TYPE STRING,
ITEMCHANGENUMBERTO TYPE STRING,
ALTERNATIVEITEMGROUP TYPE STRING,
COMPONENTSCRAPINPERCENT TYPE STRING,
OPERATIONSCRAPINPERCENT TYPE STRING,
EXPLOSIONTYPE TYPE STRING,
BOMITEMISSPAREPART TYPE STRING,
BOMITEMHASFIXEDQUANTITY TYPE STRING,
BOMITEMSPECIALPROCUREMENTTYPE TYPE STRING,
MATERIALISCOPRODUCT TYPE STRING,
OPERATIONLEADTIMEOFFSETUNIT TYPE STRING,
LEADTIMEOFFSET TYPE STRING,
OPERATIONLEADTIMEOFFSET TYPE STRING,
CRITICALCOMPONENTINDICATOR TYPE STRING,
CRITICALLEVELOFCOMPONENTINBOM TYPE STRING,
BOMITEMTEXT1 TYPE STRING,
BOMITEMTEXT2 TYPE STRING,
INDICATORBOMRECURSIVEALLOWED TYPE STRING,
REFERENCEPOINT TYPE STRING,
BOMITEMISCOSTINGRELEVANT TYPE STRING,
BOMITEMISENGINEERINGRELEVANT TYPE STRING,
DISTRIBUTIONKEYCOMPCONSUMPTION TYPE STRING,
SORTSTRING TYPE STRING,
PREDECESSORITEMNODE TYPE STRING,
PREDECESSORITEMCOUNTER TYPE STRING,
INHERITEDNODENUMBERFORBOMITEM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RFMPPBOMITEMS_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_RFMPPBOMITEMS_STR-MANDT sy-vline 
WA_RFMPPBOMITEMS_STR-BILLOFMATERIALCATEGORY sy-vline 
WA_RFMPPBOMITEMS_STR-BILLOFMATERIAL sy-vline 
WA_RFMPPBOMITEMS_STR-BILLOFMATERIALVARIANT sy-vline 
WA_RFMPPBOMITEMS_STR-BILLOFMATERIALITEMNODENUMBER sy-vline 
WA_RFMPPBOMITEMS_STR-BOMITEMINTERNALCHANGECOUNT sy-vline 
WA_RFMPPBOMITEMS_STR-BILLOFMATERIALITEMNUMBER sy-vline 
WA_RFMPPBOMITEMS_STR-BILLOFMATERIALITEMCATEGORY sy-vline 
WA_RFMPPBOMITEMS_STR-BILLOFMATERIALCOMPONENT sy-vline 
WA_RFMPPBOMITEMS_STR-BILLOFMATERIALITEMQUANTITY sy-vline 
WA_RFMPPBOMITEMS_STR-BILLOFMATERIALITEMUNIT sy-vline 
WA_RFMPPBOMITEMS_STR-VALIDITYSTARTDATE sy-vline 
WA_RFMPPBOMITEMS_STR-VALIDITYENDDATE sy-vline 
WA_RFMPPBOMITEMS_STR-ITEMCHANGENUMBERFROM sy-vline 
WA_RFMPPBOMITEMS_STR-ITEMCHANGENUMBERTO sy-vline 
WA_RFMPPBOMITEMS_STR-ALTERNATIVEITEMGROUP sy-vline 
WA_RFMPPBOMITEMS_STR-COMPONENTSCRAPINPERCENT sy-vline 
WA_RFMPPBOMITEMS_STR-OPERATIONSCRAPINPERCENT sy-vline 
WA_RFMPPBOMITEMS_STR-EXPLOSIONTYPE sy-vline 
WA_RFMPPBOMITEMS_STR-BOMITEMISSPAREPART sy-vline 
WA_RFMPPBOMITEMS_STR-BOMITEMHASFIXEDQUANTITY sy-vline 
WA_RFMPPBOMITEMS_STR-BOMITEMSPECIALPROCUREMENTTYPE sy-vline 
WA_RFMPPBOMITEMS_STR-MATERIALISCOPRODUCT sy-vline 
WA_RFMPPBOMITEMS_STR-OPERATIONLEADTIMEOFFSETUNIT sy-vline 
WA_RFMPPBOMITEMS_STR-LEADTIMEOFFSET sy-vline 
WA_RFMPPBOMITEMS_STR-OPERATIONLEADTIMEOFFSET sy-vline 
WA_RFMPPBOMITEMS_STR-CRITICALCOMPONENTINDICATOR sy-vline 
WA_RFMPPBOMITEMS_STR-CRITICALLEVELOFCOMPONENTINBOM sy-vline 
WA_RFMPPBOMITEMS_STR-BOMITEMTEXT1 sy-vline 
WA_RFMPPBOMITEMS_STR-BOMITEMTEXT2 sy-vline 
WA_RFMPPBOMITEMS_STR-INDICATORBOMRECURSIVEALLOWED sy-vline 
WA_RFMPPBOMITEMS_STR-REFERENCEPOINT sy-vline 
WA_RFMPPBOMITEMS_STR-BOMITEMISCOSTINGRELEVANT sy-vline 
WA_RFMPPBOMITEMS_STR-BOMITEMISENGINEERINGRELEVANT sy-vline 
WA_RFMPPBOMITEMS_STR-DISTRIBUTIONKEYCOMPCONSUMPTION sy-vline 
WA_RFMPPBOMITEMS_STR-SORTSTRING sy-vline 
WA_RFMPPBOMITEMS_STR-PREDECESSORITEMNODE sy-vline 
WA_RFMPPBOMITEMS_STR-PREDECESSORITEMCOUNTER sy-vline 
WA_RFMPPBOMITEMS_STR-INHERITEDNODENUMBERFORBOMITEM sy-vline      INTO ld_text SEPARATED BY SPACE.

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