ABAP Select data from SAP table MPES_CIMA_BOM_NET_CHG_ITMS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM MPES_CIMA_BOM_NET_CHG_ITMS
*  INTO TABLE @DATA(IT_MPES_CIMA_BOM_NET_CHG_ITMS2).
*--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_MPES_CIMA_BOM_NET_CHG_ITMS INDEX 1 INTO DATA(WA_MPES_CIMA_BOM_NET_CHG_ITMS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<MPES_CIMA_BOM_NET_CHG_ITMS>-OBJ_TYPE = 1.
<MPES_CIMA_BOM_NET_CHG_ITMS>-OBJ_KEY = 1.
<MPES_CIMA_BOM_NET_CHG_ITMS>-BILLOFMATERIAL = 1.
<MPES_CIMA_BOM_NET_CHG_ITMS>-BILLOFMATERIALCATEGORY = 1.
<MPES_CIMA_BOM_NET_CHG_ITMS>-BILLOFMATERIALVARIANT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_MPES_CIMA_BOM_NET_CHG_ITMS-BILLOFMATERIALVERSION, sy-vline,
  WA_MPES_CIMA_BOM_NET_CHG_ITMS-INHERITEDNODENUMBERVERSIONBOM, sy-vline,
  WA_MPES_CIMA_BOM_NET_CHG_ITMS-IMP_UNITS, sy-vline,
  WA_MPES_CIMA_BOM_NET_CHG_ITMS-BILLOFMATERIALCOMPONENT, sy-vline,
  WA_MPES_CIMA_BOM_NET_CHG_ITMS-CHANGETYPE, sy-vline,
  WA_MPES_CIMA_BOM_NET_CHG_ITMS-CHANGEPROPERTY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_MPES_CIMA_BOM_NET_CHG_ITMS 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_MPES_CIMA_BOM_NET_CHG_ITMS 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_MPES_CIMA_BOM_NET_CHG_ITMS INTO WA_MPES_CIMA_BOM_NET_CHG_ITMS.


*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_MPES_CIMA_BOM_NET_CHG_ITMS-BILLOFMATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MPES_CIMA_BOM_NET_CHG_ITMS-BILLOFMATERIAL.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field COMP_CHG_NUMBER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MPES_CIMA_BOM_NET_CHG_ITMS-COMP_CHG_NUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MPES_CIMA_BOM_NET_CHG_ITMS-COMP_CHG_NUMBER.
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_MPES_CIMA_BOM_NET_CHG_ITMS_STR, 
OBJ_TYPE TYPE STRING,
OBJ_KEY TYPE STRING,
BILLOFMATERIAL TYPE STRING,
BILLOFMATERIALCATEGORY TYPE STRING,
BILLOFMATERIALVARIANT TYPE STRING,
BILLOFMATERIALVERSION TYPE STRING,
INHERITEDNODENUMBERVERSIONBOM TYPE STRING,
IMP_UNITS TYPE STRING,
BILLOFMATERIALCOMPONENT TYPE STRING,
CHANGETYPE TYPE STRING,
CHANGEPROPERTY TYPE STRING,
VALUEBEFORE TYPE STRING,
VALUEAFTER TYPE STRING,
BILLOFMATERIALCOMPONENT_TEXT TYPE STRING,
BOMITEMUNITVALAFTER TYPE STRING,
BOMITEMUNITVALBEFORE TYPE STRING,
BILLOFMATERIALHEAADERUUID TYPE STRING,
BILLOFMATERIALCOMPVERSION TYPE STRING,
INHERITEDNODENUMBERCOMPVERSBOM TYPE STRING,
INHERITEDNODENUMBERSRCVERSBOM TYPE STRING,
CHANGE_INDEX TYPE STRING,
EFF_TYPE TYPE STRING,
BILLOFMATERIALITEMNUMBER TYPE STRING,
SRC_CHG_NUMBER TYPE STRING,
COMP_CHG_NUMBER TYPE STRING,
IMP_UNITS_DS TYPE STRING,
EFF_STRING TYPE STRING,
UP_PARAM_NAME_MAP TYPE STRING,
BILLOFMATERIALVARIANTUSAGE TYPE STRING,
PLANT TYPE STRING,
INHERITEDNODENUMBERVERSBOMCOMP TYPE STRING,
CHANGEPROPERTYCODE TYPE STRING,
SRCBOMITEMNODENUMBER TYPE STRING,
COMPBOMITEMNODENUMBER TYPE STRING,END OF T_EKKO_STR.
DATA: WA_MPES_CIMA_BOM_NET_CHG_ITMS_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_MPES_CIMA_BOM_NET_CHG_ITMS_STR-OBJ_TYPE sy-vline 
WA_MPES_CIMA_BOM_NET_CHG_ITMS_STR-OBJ_KEY sy-vline 
WA_MPES_CIMA_BOM_NET_CHG_ITMS_STR-BILLOFMATERIAL sy-vline 
WA_MPES_CIMA_BOM_NET_CHG_ITMS_STR-BILLOFMATERIALCATEGORY sy-vline 
WA_MPES_CIMA_BOM_NET_CHG_ITMS_STR-BILLOFMATERIALVARIANT sy-vline 
WA_MPES_CIMA_BOM_NET_CHG_ITMS_STR-BILLOFMATERIALVERSION sy-vline 
WA_MPES_CIMA_BOM_NET_CHG_ITMS_STR-INHERITEDNODENUMBERVERSIONBOM sy-vline 
WA_MPES_CIMA_BOM_NET_CHG_ITMS_STR-IMP_UNITS sy-vline 
WA_MPES_CIMA_BOM_NET_CHG_ITMS_STR-BILLOFMATERIALCOMPONENT sy-vline 
WA_MPES_CIMA_BOM_NET_CHG_ITMS_STR-CHANGETYPE sy-vline 
WA_MPES_CIMA_BOM_NET_CHG_ITMS_STR-CHANGEPROPERTY sy-vline 
WA_MPES_CIMA_BOM_NET_CHG_ITMS_STR-VALUEBEFORE sy-vline 
WA_MPES_CIMA_BOM_NET_CHG_ITMS_STR-VALUEAFTER sy-vline 
WA_MPES_CIMA_BOM_NET_CHG_ITMS_STR-BILLOFMATERIALCOMPONENT_TEXT sy-vline 
WA_MPES_CIMA_BOM_NET_CHG_ITMS_STR-BOMITEMUNITVALAFTER sy-vline 
WA_MPES_CIMA_BOM_NET_CHG_ITMS_STR-BOMITEMUNITVALBEFORE sy-vline 
WA_MPES_CIMA_BOM_NET_CHG_ITMS_STR-BILLOFMATERIALHEAADERUUID sy-vline 
WA_MPES_CIMA_BOM_NET_CHG_ITMS_STR-BILLOFMATERIALCOMPVERSION sy-vline 
WA_MPES_CIMA_BOM_NET_CHG_ITMS_STR-INHERITEDNODENUMBERCOMPVERSBOM sy-vline 
WA_MPES_CIMA_BOM_NET_CHG_ITMS_STR-INHERITEDNODENUMBERSRCVERSBOM sy-vline 
WA_MPES_CIMA_BOM_NET_CHG_ITMS_STR-CHANGE_INDEX sy-vline 
WA_MPES_CIMA_BOM_NET_CHG_ITMS_STR-EFF_TYPE sy-vline 
WA_MPES_CIMA_BOM_NET_CHG_ITMS_STR-BILLOFMATERIALITEMNUMBER sy-vline 
WA_MPES_CIMA_BOM_NET_CHG_ITMS_STR-SRC_CHG_NUMBER sy-vline 
WA_MPES_CIMA_BOM_NET_CHG_ITMS_STR-COMP_CHG_NUMBER sy-vline 
WA_MPES_CIMA_BOM_NET_CHG_ITMS_STR-IMP_UNITS_DS sy-vline 
WA_MPES_CIMA_BOM_NET_CHG_ITMS_STR-EFF_STRING sy-vline 
WA_MPES_CIMA_BOM_NET_CHG_ITMS_STR-UP_PARAM_NAME_MAP sy-vline 
WA_MPES_CIMA_BOM_NET_CHG_ITMS_STR-BILLOFMATERIALVARIANTUSAGE sy-vline 
WA_MPES_CIMA_BOM_NET_CHG_ITMS_STR-PLANT sy-vline 
WA_MPES_CIMA_BOM_NET_CHG_ITMS_STR-INHERITEDNODENUMBERVERSBOMCOMP sy-vline 
WA_MPES_CIMA_BOM_NET_CHG_ITMS_STR-CHANGEPROPERTYCODE sy-vline 
WA_MPES_CIMA_BOM_NET_CHG_ITMS_STR-SRCBOMITEMNODENUMBER sy-vline 
WA_MPES_CIMA_BOM_NET_CHG_ITMS_STR-COMPBOMITEMNODENUMBER sy-vline      INTO ld_text SEPARATED BY SPACE.

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