ABAP Select data from SAP table EDESK_MBOM_ITEM_INTERNAL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EDESK_MBOM_ITEM_INTERNAL
*  INTO TABLE @DATA(IT_EDESK_MBOM_ITEM_INTERNAL2).
*--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_EDESK_MBOM_ITEM_INTERNAL INDEX 1 INTO DATA(WA_EDESK_MBOM_ITEM_INTERNAL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EDESK_MBOM_ITEM_INTERNAL>-ITEM_CATEG = 1.
<EDESK_MBOM_ITEM_INTERNAL>-ITEM_NO = 1.
<EDESK_MBOM_ITEM_INTERNAL>-FIXED_QTY = 1.
<EDESK_MBOM_ITEM_INTERNAL>-ITEM_TEXT1 = 1.
<EDESK_MBOM_ITEM_INTERNAL>-ITEM_TEXT2 = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EDESK_MBOM_ITEM_INTERNAL-SORTSTRING, sy-vline,
  WA_EDESK_MBOM_ITEM_INTERNAL-REL_COST, sy-vline,
  WA_EDESK_MBOM_ITEM_INTERNAL-REL_ENGIN, sy-vline,
  WA_EDESK_MBOM_ITEM_INTERNAL-REL_PMAINT, sy-vline,
  WA_EDESK_MBOM_ITEM_INTERNAL-REL_PROD, sy-vline,
  WA_EDESK_MBOM_ITEM_INTERNAL-REL_SALES, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EDESK_MBOM_ITEM_INTERNAL 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_EDESK_MBOM_ITEM_INTERNAL 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_EDESK_MBOM_ITEM_INTERNAL INTO WA_EDESK_MBOM_ITEM_INTERNAL.


*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 ITEM_NO
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_EDESK_MBOM_ITEM_INTERNAL-ITEM_NO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EDESK_MBOM_ITEM_INTERNAL-ITEM_NO.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field BOM_ALT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_EDESK_MBOM_ITEM_INTERNAL-BOM_ALT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EDESK_MBOM_ITEM_INTERNAL-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_EDESK_MBOM_ITEM_INTERNAL_STR, 
ITEM_CATEG TYPE STRING,
ITEM_NO TYPE STRING,
FIXED_QTY TYPE STRING,
ITEM_TEXT1 TYPE STRING,
ITEM_TEXT2 TYPE STRING,
SORTSTRING TYPE STRING,
REL_COST TYPE STRING,
REL_ENGIN TYPE STRING,
REL_PMAINT TYPE STRING,
REL_PROD TYPE STRING,
REL_SALES TYPE STRING,
SPARE_PART TYPE STRING,
MAT_PROVIS TYPE STRING,
BULK_MAT TYPE STRING,
REC_ALLOWD TYPE STRING,
COMP_SCRAP TYPE STRING,
OP_SCRAP TYPE STRING,
OP_NET_IND TYPE STRING,
DISTR_KEY TYPE STRING,
EXPL_TYPE TYPE STRING,
SPPROCTYPE TYPE STRING,
SUPPLYAREA TYPE STRING,
ISSUE_LOC TYPE STRING,
LEAD_TIME TYPE STRING,
OP_LEAD_TM TYPE STRING,
OP_LT_UNIT TYPE STRING,
CO_PRODUCT TYPE STRING,
DISCON_GRP TYPE STRING,
FOLLOW_GRP TYPE STRING,
AI_GROUP TYPE STRING,
AI_STRATEG TYPE STRING,
AI_PRIO TYPE STRING,
USAGE_PROB TYPE STRING,
REFPOINT TYPE STRING,
PM_ASSMBLY TYPE STRING,
COST_ELEM TYPE STRING,
DELIV_TIME TYPE STRING,
GRP_TIME TYPE STRING,
MAT_GROUP TYPE STRING,
PRICE TYPE STRING,
PRICE_UNIT TYPE STRING,
CURRENCY TYPE STRING,
PURCH_GRP TYPE STRING,
PURCH_ORG TYPE STRING,
VENDOR TYPE STRING,
VSI_NO TYPE STRING,
VSI_QTY TYPE STRING,
VSI_SIZE1 TYPE STRING,
VSI_SIZE2 TYPE STRING,
VSI_SIZE3 TYPE STRING,
VSI_SZUNIT TYPE STRING,
VSI_FORMUL TYPE STRING,
DOCUMENT TYPE STRING,
DOC_TYPE TYPE STRING,
DOC_PART TYPE STRING,
DOC_VERS TYPE STRING,
CLASS TYPE STRING,
CLASS_TYPE TYPE STRING,
RES_ITM_CT TYPE STRING,
SEL_COND TYPE STRING,
REQD_COMP TYPE STRING,
MULT_SELEC TYPE STRING,
REL_HLCONF TYPE STRING,
CAD_IND TYPE STRING,
ITM_IDENT TYPE STRING,
ITEM_GUID TYPE STRING,
VALID_FROM TYPE STRING,
CHANGE_NO TYPE STRING,
IDENTIFIER TYPE STRING,
BOM_NO TYPE STRING,
ITEM_NODE TYPE STRING,
ITEM_COUNT TYPE STRING,
RECURSIVE TYPE STRING,
DEP_LINK TYPE STRING,
ALE_IND TYPE STRING,
VALID_TO TYPE STRING,
CHG_NO_TO TYPE STRING,
CREATED_ON TYPE STRING,
CREATED_BY TYPE STRING,
CHANGED_ON TYPE STRING,
CHANGED_BY TYPE STRING,
BOM_ALT TYPE STRING,
FLDELETE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EDESK_MBOM_ITEM_INTERNAL_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_EDESK_MBOM_ITEM_INTERNAL_STR-ITEM_CATEG sy-vline 
WA_EDESK_MBOM_ITEM_INTERNAL_STR-ITEM_NO sy-vline 
WA_EDESK_MBOM_ITEM_INTERNAL_STR-FIXED_QTY sy-vline 
WA_EDESK_MBOM_ITEM_INTERNAL_STR-ITEM_TEXT1 sy-vline 
WA_EDESK_MBOM_ITEM_INTERNAL_STR-ITEM_TEXT2 sy-vline 
WA_EDESK_MBOM_ITEM_INTERNAL_STR-SORTSTRING sy-vline 
WA_EDESK_MBOM_ITEM_INTERNAL_STR-REL_COST sy-vline 
WA_EDESK_MBOM_ITEM_INTERNAL_STR-REL_ENGIN sy-vline 
WA_EDESK_MBOM_ITEM_INTERNAL_STR-REL_PMAINT sy-vline 
WA_EDESK_MBOM_ITEM_INTERNAL_STR-REL_PROD sy-vline 
WA_EDESK_MBOM_ITEM_INTERNAL_STR-REL_SALES sy-vline 
WA_EDESK_MBOM_ITEM_INTERNAL_STR-SPARE_PART sy-vline 
WA_EDESK_MBOM_ITEM_INTERNAL_STR-MAT_PROVIS sy-vline 
WA_EDESK_MBOM_ITEM_INTERNAL_STR-BULK_MAT sy-vline 
WA_EDESK_MBOM_ITEM_INTERNAL_STR-REC_ALLOWD sy-vline 
WA_EDESK_MBOM_ITEM_INTERNAL_STR-COMP_SCRAP sy-vline 
WA_EDESK_MBOM_ITEM_INTERNAL_STR-OP_SCRAP sy-vline 
WA_EDESK_MBOM_ITEM_INTERNAL_STR-OP_NET_IND sy-vline 
WA_EDESK_MBOM_ITEM_INTERNAL_STR-DISTR_KEY sy-vline 
WA_EDESK_MBOM_ITEM_INTERNAL_STR-EXPL_TYPE sy-vline 
WA_EDESK_MBOM_ITEM_INTERNAL_STR-SPPROCTYPE sy-vline 
WA_EDESK_MBOM_ITEM_INTERNAL_STR-SUPPLYAREA sy-vline 
WA_EDESK_MBOM_ITEM_INTERNAL_STR-ISSUE_LOC sy-vline 
WA_EDESK_MBOM_ITEM_INTERNAL_STR-LEAD_TIME sy-vline 
WA_EDESK_MBOM_ITEM_INTERNAL_STR-OP_LEAD_TM sy-vline 
WA_EDESK_MBOM_ITEM_INTERNAL_STR-OP_LT_UNIT sy-vline 
WA_EDESK_MBOM_ITEM_INTERNAL_STR-CO_PRODUCT sy-vline 
WA_EDESK_MBOM_ITEM_INTERNAL_STR-DISCON_GRP sy-vline 
WA_EDESK_MBOM_ITEM_INTERNAL_STR-FOLLOW_GRP sy-vline 
WA_EDESK_MBOM_ITEM_INTERNAL_STR-AI_GROUP sy-vline 
WA_EDESK_MBOM_ITEM_INTERNAL_STR-AI_STRATEG sy-vline 
WA_EDESK_MBOM_ITEM_INTERNAL_STR-AI_PRIO sy-vline 
WA_EDESK_MBOM_ITEM_INTERNAL_STR-USAGE_PROB sy-vline 
WA_EDESK_MBOM_ITEM_INTERNAL_STR-REFPOINT sy-vline 
WA_EDESK_MBOM_ITEM_INTERNAL_STR-PM_ASSMBLY sy-vline 
WA_EDESK_MBOM_ITEM_INTERNAL_STR-COST_ELEM sy-vline 
WA_EDESK_MBOM_ITEM_INTERNAL_STR-DELIV_TIME sy-vline 
WA_EDESK_MBOM_ITEM_INTERNAL_STR-GRP_TIME sy-vline 
WA_EDESK_MBOM_ITEM_INTERNAL_STR-MAT_GROUP sy-vline 
WA_EDESK_MBOM_ITEM_INTERNAL_STR-PRICE sy-vline 
WA_EDESK_MBOM_ITEM_INTERNAL_STR-PRICE_UNIT sy-vline 
WA_EDESK_MBOM_ITEM_INTERNAL_STR-CURRENCY sy-vline 
WA_EDESK_MBOM_ITEM_INTERNAL_STR-PURCH_GRP sy-vline 
WA_EDESK_MBOM_ITEM_INTERNAL_STR-PURCH_ORG sy-vline 
WA_EDESK_MBOM_ITEM_INTERNAL_STR-VENDOR sy-vline 
WA_EDESK_MBOM_ITEM_INTERNAL_STR-VSI_NO sy-vline 
WA_EDESK_MBOM_ITEM_INTERNAL_STR-VSI_QTY sy-vline 
WA_EDESK_MBOM_ITEM_INTERNAL_STR-VSI_SIZE1 sy-vline 
WA_EDESK_MBOM_ITEM_INTERNAL_STR-VSI_SIZE2 sy-vline 
WA_EDESK_MBOM_ITEM_INTERNAL_STR-VSI_SIZE3 sy-vline 
WA_EDESK_MBOM_ITEM_INTERNAL_STR-VSI_SZUNIT sy-vline 
WA_EDESK_MBOM_ITEM_INTERNAL_STR-VSI_FORMUL sy-vline 
WA_EDESK_MBOM_ITEM_INTERNAL_STR-DOCUMENT sy-vline 
WA_EDESK_MBOM_ITEM_INTERNAL_STR-DOC_TYPE sy-vline 
WA_EDESK_MBOM_ITEM_INTERNAL_STR-DOC_PART sy-vline 
WA_EDESK_MBOM_ITEM_INTERNAL_STR-DOC_VERS sy-vline 
WA_EDESK_MBOM_ITEM_INTERNAL_STR-CLASS sy-vline 
WA_EDESK_MBOM_ITEM_INTERNAL_STR-CLASS_TYPE sy-vline 
WA_EDESK_MBOM_ITEM_INTERNAL_STR-RES_ITM_CT sy-vline 
WA_EDESK_MBOM_ITEM_INTERNAL_STR-SEL_COND sy-vline 
WA_EDESK_MBOM_ITEM_INTERNAL_STR-REQD_COMP sy-vline 
WA_EDESK_MBOM_ITEM_INTERNAL_STR-MULT_SELEC sy-vline 
WA_EDESK_MBOM_ITEM_INTERNAL_STR-REL_HLCONF sy-vline 
WA_EDESK_MBOM_ITEM_INTERNAL_STR-CAD_IND sy-vline 
WA_EDESK_MBOM_ITEM_INTERNAL_STR-ITM_IDENT sy-vline 
WA_EDESK_MBOM_ITEM_INTERNAL_STR-ITEM_GUID sy-vline 
WA_EDESK_MBOM_ITEM_INTERNAL_STR-VALID_FROM sy-vline 
WA_EDESK_MBOM_ITEM_INTERNAL_STR-CHANGE_NO sy-vline 
WA_EDESK_MBOM_ITEM_INTERNAL_STR-IDENTIFIER sy-vline 
WA_EDESK_MBOM_ITEM_INTERNAL_STR-BOM_NO sy-vline 
WA_EDESK_MBOM_ITEM_INTERNAL_STR-ITEM_NODE sy-vline 
WA_EDESK_MBOM_ITEM_INTERNAL_STR-ITEM_COUNT sy-vline 
WA_EDESK_MBOM_ITEM_INTERNAL_STR-RECURSIVE sy-vline 
WA_EDESK_MBOM_ITEM_INTERNAL_STR-DEP_LINK sy-vline 
WA_EDESK_MBOM_ITEM_INTERNAL_STR-ALE_IND sy-vline 
WA_EDESK_MBOM_ITEM_INTERNAL_STR-VALID_TO sy-vline 
WA_EDESK_MBOM_ITEM_INTERNAL_STR-CHG_NO_TO sy-vline 
WA_EDESK_MBOM_ITEM_INTERNAL_STR-CREATED_ON sy-vline 
WA_EDESK_MBOM_ITEM_INTERNAL_STR-CREATED_BY sy-vline 
WA_EDESK_MBOM_ITEM_INTERNAL_STR-CHANGED_ON sy-vline 
WA_EDESK_MBOM_ITEM_INTERNAL_STR-CHANGED_BY sy-vline 
WA_EDESK_MBOM_ITEM_INTERNAL_STR-BOM_ALT sy-vline 
WA_EDESK_MBOM_ITEM_INTERNAL_STR-FLDELETE sy-vline      INTO ld_text SEPARATED BY SPACE.

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