ABAP Select data from SAP table IPMIITEMSBYBOM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IPMIITEMSBYBOM
*  INTO TABLE @DATA(IT_IPMIITEMSBYBOM2).
*--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_IPMIITEMSBYBOM INDEX 1 INTO DATA(WA_IPMIITEMSBYBOM2).


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

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

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IPMIITEMSBYBOM-PRODMFGINFOFILEID, sy-vline,
  WA_IPMIITEMSBYBOM-PRODMFGINFOFILEVERSION, sy-vline,
  WA_IPMIITEMSBYBOM-PRODMFGINFOITEMUUID, sy-vline,
  WA_IPMIITEMSBYBOM-PRODMFGINFOFILEUUID, sy-vline,
  WA_IPMIITEMSBYBOM-PRODMFGINFOCONTENTHASHVALUE, sy-vline,
  WA_IPMIITEMSBYBOM-PRODMFGINFOITEMTYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IPMIITEMSBYBOM 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_IPMIITEMSBYBOM 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_IPMIITEMSBYBOM INTO WA_IPMIITEMSBYBOM.


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

*Conversion exit ALPHA, internal->external for field DOCUMENTINFORECORDDOCNUMBER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IPMIITEMSBYBOM-DOCUMENTINFORECORDDOCNUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IPMIITEMSBYBOM-DOCUMENTINFORECORDDOCNUMBER.
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_IPMIITEMSBYBOM_STR, 
MANDT TYPE STRING,
BILLOFMATERIALCATEGORY TYPE STRING,
BILLOFMATERIAL TYPE STRING,
BILLOFMATERIALVARIANT TYPE STRING,
BILLOFMATERIALVERSION TYPE STRING,
PRODMFGINFOFILEID TYPE STRING,
PRODMFGINFOFILEVERSION TYPE STRING,
PRODMFGINFOITEMUUID TYPE STRING,
PRODMFGINFOFILEUUID TYPE STRING,
PRODMFGINFOCONTENTHASHVALUE TYPE STRING,
PRODMFGINFOITEMTYPE TYPE STRING,
PRODMFGINFOITEM TYPE STRING,
PRODMFGINFOITEMCADKEY TYPE STRING,
PRODMFGINFOITEMNAME TYPE STRING,
PRODMFGINFOISCURRENTVERSION TYPE STRING,
DOCUMENTINFORECORDDOCTYPE TYPE STRING,
DOCUMENTINFORECORDDOCNUMBER TYPE STRING,
DOCUMENTINFORECORDDOCPART TYPE STRING,
DOCUMENTINFORECORDDOCVERSION TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IPMIITEMSBYBOM_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_IPMIITEMSBYBOM_STR-MANDT sy-vline 
WA_IPMIITEMSBYBOM_STR-BILLOFMATERIALCATEGORY sy-vline 
WA_IPMIITEMSBYBOM_STR-BILLOFMATERIAL sy-vline 
WA_IPMIITEMSBYBOM_STR-BILLOFMATERIALVARIANT sy-vline 
WA_IPMIITEMSBYBOM_STR-BILLOFMATERIALVERSION sy-vline 
WA_IPMIITEMSBYBOM_STR-PRODMFGINFOFILEID sy-vline 
WA_IPMIITEMSBYBOM_STR-PRODMFGINFOFILEVERSION sy-vline 
WA_IPMIITEMSBYBOM_STR-PRODMFGINFOITEMUUID sy-vline 
WA_IPMIITEMSBYBOM_STR-PRODMFGINFOFILEUUID sy-vline 
WA_IPMIITEMSBYBOM_STR-PRODMFGINFOCONTENTHASHVALUE sy-vline 
WA_IPMIITEMSBYBOM_STR-PRODMFGINFOITEMTYPE sy-vline 
WA_IPMIITEMSBYBOM_STR-PRODMFGINFOITEM sy-vline 
WA_IPMIITEMSBYBOM_STR-PRODMFGINFOITEMCADKEY sy-vline 
WA_IPMIITEMSBYBOM_STR-PRODMFGINFOITEMNAME sy-vline 
WA_IPMIITEMSBYBOM_STR-PRODMFGINFOISCURRENTVERSION sy-vline 
WA_IPMIITEMSBYBOM_STR-DOCUMENTINFORECORDDOCTYPE sy-vline 
WA_IPMIITEMSBYBOM_STR-DOCUMENTINFORECORDDOCNUMBER sy-vline 
WA_IPMIITEMSBYBOM_STR-DOCUMENTINFORECORDDOCPART sy-vline 
WA_IPMIITEMSBYBOM_STR-DOCUMENTINFORECORDDOCVERSION sy-vline      INTO ld_text SEPARATED BY SPACE.

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