ABAP Select data from SAP table CGRCNGTVSTKPROD into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CGRCNGTVSTKPROD
*  INTO TABLE @DATA(IT_CGRCNGTVSTKPROD2).
*--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_CGRCNGTVSTKPROD INDEX 1 INTO DATA(WA_CGRCNGTVSTKPROD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CGRCNGTVSTKPROD>-MANDT = 1.
<CGRCNGTVSTKPROD>-PRODUCT = 1.
<CGRCNGTVSTKPROD>-PLANT = 1.
<CGRCNGTVSTKPROD>-PURCHASINGGROUP = 1.
<CGRCNGTVSTKPROD>-PRODUCTEXTERNALID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CGRCNGTVSTKPROD-PRODUCTTYPE, sy-vline,
  WA_CGRCNGTVSTKPROD-PRODUCTGROUP, sy-vline,
  WA_CGRCNGTVSTKPROD-CHANGEDOCCREATIONDATE, sy-vline,
  WA_CGRCNGTVSTKPROD-LASTCHANGEDBYUSER, sy-vline,
  WA_CGRCNGTVSTKPROD-COUNTRYOFORIGIN, sy-vline,
  WA_CGRCNGTVSTKPROD-REGIONOFORIGIN, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CGRCNGTVSTKPROD 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_CGRCNGTVSTKPROD 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_CGRCNGTVSTKPROD INTO WA_CGRCNGTVSTKPROD.


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

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

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

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

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

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

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

*Conversion exit CUNIT, internal->external for field BASEUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CGRCNGTVSTKPROD-BASEUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CGRCNGTVSTKPROD-BASEUNIT.
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_CGRCNGTVSTKPROD_STR, 
MANDT TYPE STRING,
PRODUCT TYPE STRING,
PLANT TYPE STRING,
PURCHASINGGROUP TYPE STRING,
PRODUCTEXTERNALID TYPE STRING,
PRODUCTTYPE TYPE STRING,
PRODUCTGROUP TYPE STRING,
CHANGEDOCCREATIONDATE TYPE STRING,
LASTCHANGEDBYUSER TYPE STRING,
COUNTRYOFORIGIN TYPE STRING,
REGIONOFORIGIN TYPE STRING,
PRODUCTIONINVTRYMANAGEDLOC TYPE STRING,
PROFILECODE TYPE STRING,
PROFILEVALIDITYSTARTDATE TYPE STRING,
AVAILABILITYCHECKTYPE TYPE STRING,
FISCALYEARVARIANT TYPE STRING,
PERIODTYPE TYPE STRING,
PROFITCENTER TYPE STRING,
GOODSRECEIPTDURATION TYPE STRING,
MAINTENANCESTATUSNAME TYPE STRING,
MRPTYPE TYPE STRING,
MRPRESPONSIBLE TYPE STRING,
ABCINDICATOR TYPE STRING,
MINIMUMLOTSIZEQUANTITY TYPE STRING,
MAXIMUMLOTSIZEQUANTITY TYPE STRING,
FIXEDLOTSIZEQUANTITY TYPE STRING,
CONSUMPTIONTAXCTRLCODE TYPE STRING,
ISCOPRODUCT TYPE STRING,
CONFIGURABLEPRODUCT TYPE STRING,
STOCKDETERMINATIONGROUP TYPE STRING,
HASPOSTTOINSPECTIONSTOCK TYPE STRING,
ISBATCHMANAGEMENTREQUIRED TYPE STRING,
SERIALNUMBERPROFILE TYPE STRING,
ISNEGATIVESTOCKALLOWED TYPE STRING,
HASCONSIGNMENTCTRL TYPE STRING,
ISPURGACROSSPURGGROUP TYPE STRING,
ISINTERNALBATCHMANAGED TYPE STRING,
PRODUCTCFOPCATEGORY TYPE STRING,
PRODUCTISEXCISETAXRELEVANT TYPE STRING,
UNDERDELIVTOLERANCELIMIT TYPE STRING,
OVERDELIVTOLERANCELIMIT TYPE STRING,
PROCUREMENTTYPE TYPE STRING,
SPECIALPROCUREMENTTYPE TYPE STRING,
PRODUCTIONSCHEDULINGPROFILE TYPE STRING,
PRODUCTIONSUPERVISOR TYPE STRING,
SAFETYSTOCKQUANTITY TYPE STRING,
GOODSISSUEUNIT TYPE STRING,
SOURCEOFSUPPLYCATEGORY TYPE STRING,
CONSUMPTIONREFERENCEPRODUCT TYPE STRING,
CONSUMPTIONREFERENCEPLANT TYPE STRING,
CONSUMPTIONREFUSAGEENDDATE TYPE STRING,
CONSUMPTIONQTYMULTIPLIER TYPE STRING,
PRODUCTUNITGROUP TYPE STRING,
DISTRCNTRDISTRIBUTIONPROFILE TYPE STRING,
CONSIGNMENTCONTROL TYPE STRING,
GOODISSUEPROCESSINGDAYS TYPE STRING,
PLANNEDDELIVERYDURATIONINDAYS TYPE STRING,
PRODUCTISCRITICALPRT TYPE STRING,
PRODUCTLOGISTICSHANDLINGGROUP TYPE STRING,
MATERIALFREIGHTGROUP TYPE STRING,
ORIGINALBATCHREFERENCEMATERIAL TYPE STRING,
ORIGLBATCHMANAGEMENTISREQUIRED TYPE STRING,
PRODUCTCONFIGURATION TYPE STRING,
ISMARKEDFORDELETION TYPE STRING,
BASEUNIT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CGRCNGTVSTKPROD_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_CGRCNGTVSTKPROD_STR-MANDT sy-vline 
WA_CGRCNGTVSTKPROD_STR-PRODUCT sy-vline 
WA_CGRCNGTVSTKPROD_STR-PLANT sy-vline 
WA_CGRCNGTVSTKPROD_STR-PURCHASINGGROUP sy-vline 
WA_CGRCNGTVSTKPROD_STR-PRODUCTEXTERNALID sy-vline 
WA_CGRCNGTVSTKPROD_STR-PRODUCTTYPE sy-vline 
WA_CGRCNGTVSTKPROD_STR-PRODUCTGROUP sy-vline 
WA_CGRCNGTVSTKPROD_STR-CHANGEDOCCREATIONDATE sy-vline 
WA_CGRCNGTVSTKPROD_STR-LASTCHANGEDBYUSER sy-vline 
WA_CGRCNGTVSTKPROD_STR-COUNTRYOFORIGIN sy-vline 
WA_CGRCNGTVSTKPROD_STR-REGIONOFORIGIN sy-vline 
WA_CGRCNGTVSTKPROD_STR-PRODUCTIONINVTRYMANAGEDLOC sy-vline 
WA_CGRCNGTVSTKPROD_STR-PROFILECODE sy-vline 
WA_CGRCNGTVSTKPROD_STR-PROFILEVALIDITYSTARTDATE sy-vline 
WA_CGRCNGTVSTKPROD_STR-AVAILABILITYCHECKTYPE sy-vline 
WA_CGRCNGTVSTKPROD_STR-FISCALYEARVARIANT sy-vline 
WA_CGRCNGTVSTKPROD_STR-PERIODTYPE sy-vline 
WA_CGRCNGTVSTKPROD_STR-PROFITCENTER sy-vline 
WA_CGRCNGTVSTKPROD_STR-GOODSRECEIPTDURATION sy-vline 
WA_CGRCNGTVSTKPROD_STR-MAINTENANCESTATUSNAME sy-vline 
WA_CGRCNGTVSTKPROD_STR-MRPTYPE sy-vline 
WA_CGRCNGTVSTKPROD_STR-MRPRESPONSIBLE sy-vline 
WA_CGRCNGTVSTKPROD_STR-ABCINDICATOR sy-vline 
WA_CGRCNGTVSTKPROD_STR-MINIMUMLOTSIZEQUANTITY sy-vline 
WA_CGRCNGTVSTKPROD_STR-MAXIMUMLOTSIZEQUANTITY sy-vline 
WA_CGRCNGTVSTKPROD_STR-FIXEDLOTSIZEQUANTITY sy-vline 
WA_CGRCNGTVSTKPROD_STR-CONSUMPTIONTAXCTRLCODE sy-vline 
WA_CGRCNGTVSTKPROD_STR-ISCOPRODUCT sy-vline 
WA_CGRCNGTVSTKPROD_STR-CONFIGURABLEPRODUCT sy-vline 
WA_CGRCNGTVSTKPROD_STR-STOCKDETERMINATIONGROUP sy-vline 
WA_CGRCNGTVSTKPROD_STR-HASPOSTTOINSPECTIONSTOCK sy-vline 
WA_CGRCNGTVSTKPROD_STR-ISBATCHMANAGEMENTREQUIRED sy-vline 
WA_CGRCNGTVSTKPROD_STR-SERIALNUMBERPROFILE sy-vline 
WA_CGRCNGTVSTKPROD_STR-ISNEGATIVESTOCKALLOWED sy-vline 
WA_CGRCNGTVSTKPROD_STR-HASCONSIGNMENTCTRL sy-vline 
WA_CGRCNGTVSTKPROD_STR-ISPURGACROSSPURGGROUP sy-vline 
WA_CGRCNGTVSTKPROD_STR-ISINTERNALBATCHMANAGED sy-vline 
WA_CGRCNGTVSTKPROD_STR-PRODUCTCFOPCATEGORY sy-vline 
WA_CGRCNGTVSTKPROD_STR-PRODUCTISEXCISETAXRELEVANT sy-vline 
WA_CGRCNGTVSTKPROD_STR-UNDERDELIVTOLERANCELIMIT sy-vline 
WA_CGRCNGTVSTKPROD_STR-OVERDELIVTOLERANCELIMIT sy-vline 
WA_CGRCNGTVSTKPROD_STR-PROCUREMENTTYPE sy-vline 
WA_CGRCNGTVSTKPROD_STR-SPECIALPROCUREMENTTYPE sy-vline 
WA_CGRCNGTVSTKPROD_STR-PRODUCTIONSCHEDULINGPROFILE sy-vline 
WA_CGRCNGTVSTKPROD_STR-PRODUCTIONSUPERVISOR sy-vline 
WA_CGRCNGTVSTKPROD_STR-SAFETYSTOCKQUANTITY sy-vline 
WA_CGRCNGTVSTKPROD_STR-GOODSISSUEUNIT sy-vline 
WA_CGRCNGTVSTKPROD_STR-SOURCEOFSUPPLYCATEGORY sy-vline 
WA_CGRCNGTVSTKPROD_STR-CONSUMPTIONREFERENCEPRODUCT sy-vline 
WA_CGRCNGTVSTKPROD_STR-CONSUMPTIONREFERENCEPLANT sy-vline 
WA_CGRCNGTVSTKPROD_STR-CONSUMPTIONREFUSAGEENDDATE sy-vline 
WA_CGRCNGTVSTKPROD_STR-CONSUMPTIONQTYMULTIPLIER sy-vline 
WA_CGRCNGTVSTKPROD_STR-PRODUCTUNITGROUP sy-vline 
WA_CGRCNGTVSTKPROD_STR-DISTRCNTRDISTRIBUTIONPROFILE sy-vline 
WA_CGRCNGTVSTKPROD_STR-CONSIGNMENTCONTROL sy-vline 
WA_CGRCNGTVSTKPROD_STR-GOODISSUEPROCESSINGDAYS sy-vline 
WA_CGRCNGTVSTKPROD_STR-PLANNEDDELIVERYDURATIONINDAYS sy-vline 
WA_CGRCNGTVSTKPROD_STR-PRODUCTISCRITICALPRT sy-vline 
WA_CGRCNGTVSTKPROD_STR-PRODUCTLOGISTICSHANDLINGGROUP sy-vline 
WA_CGRCNGTVSTKPROD_STR-MATERIALFREIGHTGROUP sy-vline 
WA_CGRCNGTVSTKPROD_STR-ORIGINALBATCHREFERENCEMATERIAL sy-vline 
WA_CGRCNGTVSTKPROD_STR-ORIGLBATCHMANAGEMENTISREQUIRED sy-vline 
WA_CGRCNGTVSTKPROD_STR-PRODUCTCONFIGURATION sy-vline 
WA_CGRCNGTVSTKPROD_STR-ISMARKEDFORDELETION sy-vline 
WA_CGRCNGTVSTKPROD_STR-BASEUNIT sy-vline      INTO ld_text SEPARATED BY SPACE.

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