ABAP Select data from SAP table CMPEOPERCOMPNTS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CMPEOPERCOMPNTS
*  INTO TABLE @DATA(IT_CMPEOPERCOMPNTS2).
*--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_CMPEOPERCOMPNTS INDEX 1 INTO DATA(WA_CMPEOPERCOMPNTS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CMPEOPERCOMPNTS>-MANDT = 1.
<CMPEOPERCOMPNTS>-RESERVATION = 1.
<CMPEOPERCOMPNTS>-RESERVATIONITEM = 1.
<CMPEOPERCOMPNTS>-RECORDTYPE = 1.
<CMPEOPERCOMPNTS>-MANUFACTURINGORDER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CMPEOPERCOMPNTS-MANUFACTURINGORDEROPERATION, sy-vline,
  WA_CMPEOPERCOMPNTS-MANUFACTURINGORDERSEQUENCE, sy-vline,
  WA_CMPEOPERCOMPNTS-MATERIAL, sy-vline,
  WA_CMPEOPERCOMPNTS-MATERIALNAME, sy-vline,
  WA_CMPEOPERCOMPNTS-PRODUCTIONPLANT, sy-vline,
  WA_CMPEOPERCOMPNTS-PLANT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CMPEOPERCOMPNTS 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_CMPEOPERCOMPNTS 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_CMPEOPERCOMPNTS INTO WA_CMPEOPERCOMPNTS.


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

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

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

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

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

*Conversion exit CUNIT, internal->external for field ENTRYUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CMPEOPERCOMPNTS-ENTRYUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CMPEOPERCOMPNTS-ENTRYUNIT.
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_CMPEOPERCOMPNTS_STR, 
MANDT TYPE STRING,
RESERVATION TYPE STRING,
RESERVATIONITEM TYPE STRING,
RECORDTYPE TYPE STRING,
MANUFACTURINGORDER TYPE STRING,
MANUFACTURINGORDEROPERATION TYPE STRING,
MANUFACTURINGORDERSEQUENCE TYPE STRING,
MATERIAL TYPE STRING,
MATERIALNAME TYPE STRING,
PRODUCTIONPLANT TYPE STRING,
PLANT TYPE STRING,
STORAGELOCATION TYPE STRING,
INVENTORYSPECIALSTOCKTYPE TYPE STRING,
PRODUCTIONPLANTNAME TYPE STRING,
BASEUNIT TYPE STRING,
REQUIREDQUANTITY TYPE STRING,
WITHDRAWNQUANTITY TYPE STRING,
UNCOVEREDQUANTITY TYPE STRING,
CONFIRMEDAVAILABLEQUANTITY TYPE STRING,
OPENQUANTITY TYPE STRING,
MISSINGQUANTITY TYPE STRING,
SUPPLYAREAAVAILABLEQUANTITY TYPE STRING,
AVAILABLECOMMITTEDQTY TYPE STRING,
NOTAVAILABLECOMMITTEDQTY TYPE STRING,
MATERIALCOMPONENTISMISSING TYPE STRING,
SUPPLYAREA TYPE STRING,
MRPCONTROLLERNAME TYPE STRING,
RESERVATIONISFINALLYISSUED TYPE STRING,
MATLCOMPREQUIREMENTDATE TYPE STRING,
MATLCOMPREQUIREMENTTIME TYPE STRING,
MATLCOMPISMARKEDFORBACKFLUSH TYPE STRING,
BATCH TYPE STRING,
COMPONENTSCRAPINPERCENT TYPE STRING,
ISNETSCRAP TYPE STRING,
OPERATIONSCRAPINPERCENT TYPE STRING,
ENTRYUNIT TYPE STRING,
GOODSMOVEMENTENTRYQTY TYPE STRING,
QUANTITYISFIXED TYPE STRING,
BOMITEMDESCRIPTION TYPE STRING,
MATERIALCOMPONENTISPHANTOMITEM TYPE STRING,
MANUFACTURINGORDERCATEGORY TYPE STRING,
MANUFACTURINGORDERTYPE TYPE STRING,
MATLCOMPISMARKEDFORDELETION TYPE STRING,
DEBITCREDITCODE TYPE STRING,
BILLOFMATERIALCATEGORY TYPE STRING,
BILLOFMATERIAL TYPE STRING,
BILLOFMATERIALITEMNODENUMBER TYPE STRING,
BOMITEMINTERNALCHANGECOUNT TYPE STRING,
ISBULKMATERIALCOMPONENT TYPE STRING,
BILLOFMATERIALITEMCATEGORY TYPE STRING,
BILLOFMATERIALITEMCATEGORYDESC TYPE STRING,
MFGREFSTRUCBOMLEAFASSGMTUUID TYPE STRING,
MFGREFSTRUCTUREITEMDETAILUUID TYPE STRING,
MFGREFSTRUCITMDETISCONTEXTUAL TYPE STRING,
MFGREFSTRUCITMREFDSGNTRNAME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CMPEOPERCOMPNTS_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_CMPEOPERCOMPNTS_STR-MANDT sy-vline 
WA_CMPEOPERCOMPNTS_STR-RESERVATION sy-vline 
WA_CMPEOPERCOMPNTS_STR-RESERVATIONITEM sy-vline 
WA_CMPEOPERCOMPNTS_STR-RECORDTYPE sy-vline 
WA_CMPEOPERCOMPNTS_STR-MANUFACTURINGORDER sy-vline 
WA_CMPEOPERCOMPNTS_STR-MANUFACTURINGORDEROPERATION sy-vline 
WA_CMPEOPERCOMPNTS_STR-MANUFACTURINGORDERSEQUENCE sy-vline 
WA_CMPEOPERCOMPNTS_STR-MATERIAL sy-vline 
WA_CMPEOPERCOMPNTS_STR-MATERIALNAME sy-vline 
WA_CMPEOPERCOMPNTS_STR-PRODUCTIONPLANT sy-vline 
WA_CMPEOPERCOMPNTS_STR-PLANT sy-vline 
WA_CMPEOPERCOMPNTS_STR-STORAGELOCATION sy-vline 
WA_CMPEOPERCOMPNTS_STR-INVENTORYSPECIALSTOCKTYPE sy-vline 
WA_CMPEOPERCOMPNTS_STR-PRODUCTIONPLANTNAME sy-vline 
WA_CMPEOPERCOMPNTS_STR-BASEUNIT sy-vline 
WA_CMPEOPERCOMPNTS_STR-REQUIREDQUANTITY sy-vline 
WA_CMPEOPERCOMPNTS_STR-WITHDRAWNQUANTITY sy-vline 
WA_CMPEOPERCOMPNTS_STR-UNCOVEREDQUANTITY sy-vline 
WA_CMPEOPERCOMPNTS_STR-CONFIRMEDAVAILABLEQUANTITY sy-vline 
WA_CMPEOPERCOMPNTS_STR-OPENQUANTITY sy-vline 
WA_CMPEOPERCOMPNTS_STR-MISSINGQUANTITY sy-vline 
WA_CMPEOPERCOMPNTS_STR-SUPPLYAREAAVAILABLEQUANTITY sy-vline 
WA_CMPEOPERCOMPNTS_STR-AVAILABLECOMMITTEDQTY sy-vline 
WA_CMPEOPERCOMPNTS_STR-NOTAVAILABLECOMMITTEDQTY sy-vline 
WA_CMPEOPERCOMPNTS_STR-MATERIALCOMPONENTISMISSING sy-vline 
WA_CMPEOPERCOMPNTS_STR-SUPPLYAREA sy-vline 
WA_CMPEOPERCOMPNTS_STR-MRPCONTROLLERNAME sy-vline 
WA_CMPEOPERCOMPNTS_STR-RESERVATIONISFINALLYISSUED sy-vline 
WA_CMPEOPERCOMPNTS_STR-MATLCOMPREQUIREMENTDATE sy-vline 
WA_CMPEOPERCOMPNTS_STR-MATLCOMPREQUIREMENTTIME sy-vline 
WA_CMPEOPERCOMPNTS_STR-MATLCOMPISMARKEDFORBACKFLUSH sy-vline 
WA_CMPEOPERCOMPNTS_STR-BATCH sy-vline 
WA_CMPEOPERCOMPNTS_STR-COMPONENTSCRAPINPERCENT sy-vline 
WA_CMPEOPERCOMPNTS_STR-ISNETSCRAP sy-vline 
WA_CMPEOPERCOMPNTS_STR-OPERATIONSCRAPINPERCENT sy-vline 
WA_CMPEOPERCOMPNTS_STR-ENTRYUNIT sy-vline 
WA_CMPEOPERCOMPNTS_STR-GOODSMOVEMENTENTRYQTY sy-vline 
WA_CMPEOPERCOMPNTS_STR-QUANTITYISFIXED sy-vline 
WA_CMPEOPERCOMPNTS_STR-BOMITEMDESCRIPTION sy-vline 
WA_CMPEOPERCOMPNTS_STR-MATERIALCOMPONENTISPHANTOMITEM sy-vline 
WA_CMPEOPERCOMPNTS_STR-MANUFACTURINGORDERCATEGORY sy-vline 
WA_CMPEOPERCOMPNTS_STR-MANUFACTURINGORDERTYPE sy-vline 
WA_CMPEOPERCOMPNTS_STR-MATLCOMPISMARKEDFORDELETION sy-vline 
WA_CMPEOPERCOMPNTS_STR-DEBITCREDITCODE sy-vline 
WA_CMPEOPERCOMPNTS_STR-BILLOFMATERIALCATEGORY sy-vline 
WA_CMPEOPERCOMPNTS_STR-BILLOFMATERIAL sy-vline 
WA_CMPEOPERCOMPNTS_STR-BILLOFMATERIALITEMNODENUMBER sy-vline 
WA_CMPEOPERCOMPNTS_STR-BOMITEMINTERNALCHANGECOUNT sy-vline 
WA_CMPEOPERCOMPNTS_STR-ISBULKMATERIALCOMPONENT sy-vline 
WA_CMPEOPERCOMPNTS_STR-BILLOFMATERIALITEMCATEGORY sy-vline 
WA_CMPEOPERCOMPNTS_STR-BILLOFMATERIALITEMCATEGORYDESC sy-vline 
WA_CMPEOPERCOMPNTS_STR-MFGREFSTRUCBOMLEAFASSGMTUUID sy-vline 
WA_CMPEOPERCOMPNTS_STR-MFGREFSTRUCTUREITEMDETAILUUID sy-vline 
WA_CMPEOPERCOMPNTS_STR-MFGREFSTRUCITMDETISCONTEXTUAL sy-vline 
WA_CMPEOPERCOMPNTS_STR-MFGREFSTRUCITMREFDSGNTRNAME sy-vline      INTO ld_text SEPARATED BY SPACE.

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