ABAP Select data from SAP table IMSTRRCPOPBOM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IMSTRRCPOPBOM
*  INTO TABLE @DATA(IT_IMSTRRCPOPBOM2).
*--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_IMSTRRCPOPBOM INDEX 1 INTO DATA(WA_IMSTRRCPOPBOM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IMSTRRCPOPBOM>-MANDT = 1.
<IMSTRRCPOPBOM>-BILLOFOPERATIONSTYPE = 1.
<IMSTRRCPOPBOM>-BILLOFOPERATIONSGROUP = 1.
<IMSTRRCPOPBOM>-BILLOFOPERATIONSVARIANT = 1.
<IMSTRRCPOPBOM>-BILLOFOPERATIONSSEQUENCE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IMSTRRCPOPBOM-BOOOPERATIONINTERNALID, sy-vline,
  WA_IMSTRRCPOPBOM-BOOOPBOMITEMINTERNALID, sy-vline,
  WA_IMSTRRCPOPBOM-BOOOPBOMITEMINTVERSCOUNTER, sy-vline,
  WA_IMSTRRCPOPBOM-BOOOPERATIONISPHASE, sy-vline,
  WA_IMSTRRCPOPBOM-CREATIONDATE, sy-vline,
  WA_IMSTRRCPOPBOM-CREATEDBYUSER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IMSTRRCPOPBOM 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_IMSTRRCPOPBOM 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_IMSTRRCPOPBOM INTO WA_IMSTRRCPOPBOM.


*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 BILLOFOPERATIONSGROUP
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IMSTRRCPOPBOM-BILLOFOPERATIONSGROUP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IMSTRRCPOPBOM-BILLOFOPERATIONSGROUP.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit ALPHA, internal->external for field BILLOFMATERIALVARIANT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IMSTRRCPOPBOM-BILLOFMATERIALVARIANT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IMSTRRCPOPBOM-BILLOFMATERIALVARIANT.
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_IMSTRRCPOPBOM_STR, 
MANDT TYPE STRING,
BILLOFOPERATIONSTYPE TYPE STRING,
BILLOFOPERATIONSGROUP TYPE STRING,
BILLOFOPERATIONSVARIANT TYPE STRING,
BILLOFOPERATIONSSEQUENCE TYPE STRING,
BOOOPERATIONINTERNALID TYPE STRING,
BOOOPBOMITEMINTERNALID TYPE STRING,
BOOOPBOMITEMINTVERSCOUNTER TYPE STRING,
BOOOPERATIONISPHASE TYPE STRING,
CREATIONDATE TYPE STRING,
CREATEDBYUSER TYPE STRING,
LASTCHANGEDATE TYPE STRING,
LASTCHANGEDBYUSER TYPE STRING,
VALIDITYSTARTDATE TYPE STRING,
VALIDITYENDDATE TYPE STRING,
ISDELETED TYPE STRING,
ISIMPLICITLYDELETED TYPE STRING,
CHANGENUMBER TYPE STRING,
BILLOFMATERIALCATEGORY TYPE STRING,
BILLOFMATERIAL TYPE STRING,
BILLOFMATERIALVARIANT TYPE STRING,
BILLOFMATERIALITEMNODENUMBER TYPE STRING,
MATLCOMPISMARKEDFORBACKFLUSH TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IMSTRRCPOPBOM_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_IMSTRRCPOPBOM_STR-MANDT sy-vline 
WA_IMSTRRCPOPBOM_STR-BILLOFOPERATIONSTYPE sy-vline 
WA_IMSTRRCPOPBOM_STR-BILLOFOPERATIONSGROUP sy-vline 
WA_IMSTRRCPOPBOM_STR-BILLOFOPERATIONSVARIANT sy-vline 
WA_IMSTRRCPOPBOM_STR-BILLOFOPERATIONSSEQUENCE sy-vline 
WA_IMSTRRCPOPBOM_STR-BOOOPERATIONINTERNALID sy-vline 
WA_IMSTRRCPOPBOM_STR-BOOOPBOMITEMINTERNALID sy-vline 
WA_IMSTRRCPOPBOM_STR-BOOOPBOMITEMINTVERSCOUNTER sy-vline 
WA_IMSTRRCPOPBOM_STR-BOOOPERATIONISPHASE sy-vline 
WA_IMSTRRCPOPBOM_STR-CREATIONDATE sy-vline 
WA_IMSTRRCPOPBOM_STR-CREATEDBYUSER sy-vline 
WA_IMSTRRCPOPBOM_STR-LASTCHANGEDATE sy-vline 
WA_IMSTRRCPOPBOM_STR-LASTCHANGEDBYUSER sy-vline 
WA_IMSTRRCPOPBOM_STR-VALIDITYSTARTDATE sy-vline 
WA_IMSTRRCPOPBOM_STR-VALIDITYENDDATE sy-vline 
WA_IMSTRRCPOPBOM_STR-ISDELETED sy-vline 
WA_IMSTRRCPOPBOM_STR-ISIMPLICITLYDELETED sy-vline 
WA_IMSTRRCPOPBOM_STR-CHANGENUMBER sy-vline 
WA_IMSTRRCPOPBOM_STR-BILLOFMATERIALCATEGORY sy-vline 
WA_IMSTRRCPOPBOM_STR-BILLOFMATERIAL sy-vline 
WA_IMSTRRCPOPBOM_STR-BILLOFMATERIALVARIANT sy-vline 
WA_IMSTRRCPOPBOM_STR-BILLOFMATERIALITEMNODENUMBER sy-vline 
WA_IMSTRRCPOPBOM_STR-MATLCOMPISMARKEDFORBACKFLUSH sy-vline      INTO ld_text SEPARATED BY SPACE.

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