ABAP Select data from SAP table CSTOCKQUANVALTS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CSTOCKQUANVALTS
*  INTO TABLE @DATA(IT_CSTOCKQUANVALTS2).
*--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_CSTOCKQUANVALTS INDEX 1 INTO DATA(WA_CSTOCKQUANVALTS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CSTOCKQUANVALTS>-MANDT = 1.
<CSTOCKQUANVALTS>-ENDDATE = 1.
<CSTOCKQUANVALTS>-YEARPERIOD = 1.
<CSTOCKQUANVALTS>-PRODUCT = 1.
<CSTOCKQUANVALTS>-PLANT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CSTOCKQUANVALTS-STORAGELOCATION, sy-vline,
  WA_CSTOCKQUANVALTS-BATCH, sy-vline,
  WA_CSTOCKQUANVALTS-SUPPLIER, sy-vline,
  WA_CSTOCKQUANVALTS-SDDOCUMENT, sy-vline,
  WA_CSTOCKQUANVALTS-SDDOCUMENTITEM, sy-vline,
  WA_CSTOCKQUANVALTS-WBSELEMENTINTERNALID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CSTOCKQUANVALTS 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_CSTOCKQUANVALTS 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_CSTOCKQUANVALTS INTO WA_CSTOCKQUANVALTS.


*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_CSTOCKQUANVALTS-PRODUCT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CSTOCKQUANVALTS-PRODUCT.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit ABPSP, internal->external for field WBSELEMENTINTERNALID
CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT'
  EXPORTING
    input =                      WA_CSTOCKQUANVALTS-WBSELEMENTINTERNALID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CSTOCKQUANVALTS-WBSELEMENTINTERNALID.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit ABPSN, internal->external for field WBSELEMENT
CALL FUNCTION 'CONVERSION_EXIT_ABPSN_OUTPUT'
  EXPORTING
    input =                      WA_CSTOCKQUANVALTS-WBSELEMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CSTOCKQUANVALTS-WBSELEMENT.
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_CSTOCKQUANVALTS_STR, 
MANDT TYPE STRING,
ENDDATE TYPE STRING,
YEARPERIOD TYPE STRING,
PRODUCT TYPE STRING,
PLANT TYPE STRING,
STORAGELOCATION TYPE STRING,
BATCH TYPE STRING,
SUPPLIER TYPE STRING,
SDDOCUMENT TYPE STRING,
SDDOCUMENTITEM TYPE STRING,
WBSELEMENTINTERNALID TYPE STRING,
CUSTOMER TYPE STRING,
INVENTORYSTOCKTYPE TYPE STRING,
INVENTORYSPECIALSTOCKTYPE TYPE STRING,
MATERIALBASEUNIT TYPE STRING,
CURRENCY TYPE STRING,
VALUATIONAREATYPE TYPE STRING,
DISPLAYCURRENCY TYPE STRING,
COMPANYCODE TYPE STRING,
WBSELEMENT TYPE STRING,
CALENDARYEAR TYPE STRING,
YEARPERIODNAME TYPE STRING,
MATLWRHSSTKQTYINMATLBASEUNIT TYPE STRING,
STOCKVALUEINCCCRCY TYPE STRING,
STOCKVALUEINDISPLAYCURRENCY TYPE STRING,
STOCKVALUEINDISPLAYCURRENCYEND TYPE STRING,
MATERIALGROUP TYPE STRING,
MATERIALGROUPNAME TYPE STRING,
PRODUCTNAME TYPE STRING,
PLANTNAME TYPE STRING,
STORAGELOCATIONNAME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CSTOCKQUANVALTS_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_CSTOCKQUANVALTS_STR-MANDT sy-vline 
WA_CSTOCKQUANVALTS_STR-ENDDATE sy-vline 
WA_CSTOCKQUANVALTS_STR-YEARPERIOD sy-vline 
WA_CSTOCKQUANVALTS_STR-PRODUCT sy-vline 
WA_CSTOCKQUANVALTS_STR-PLANT sy-vline 
WA_CSTOCKQUANVALTS_STR-STORAGELOCATION sy-vline 
WA_CSTOCKQUANVALTS_STR-BATCH sy-vline 
WA_CSTOCKQUANVALTS_STR-SUPPLIER sy-vline 
WA_CSTOCKQUANVALTS_STR-SDDOCUMENT sy-vline 
WA_CSTOCKQUANVALTS_STR-SDDOCUMENTITEM sy-vline 
WA_CSTOCKQUANVALTS_STR-WBSELEMENTINTERNALID sy-vline 
WA_CSTOCKQUANVALTS_STR-CUSTOMER sy-vline 
WA_CSTOCKQUANVALTS_STR-INVENTORYSTOCKTYPE sy-vline 
WA_CSTOCKQUANVALTS_STR-INVENTORYSPECIALSTOCKTYPE sy-vline 
WA_CSTOCKQUANVALTS_STR-MATERIALBASEUNIT sy-vline 
WA_CSTOCKQUANVALTS_STR-CURRENCY sy-vline 
WA_CSTOCKQUANVALTS_STR-VALUATIONAREATYPE sy-vline 
WA_CSTOCKQUANVALTS_STR-DISPLAYCURRENCY sy-vline 
WA_CSTOCKQUANVALTS_STR-COMPANYCODE sy-vline 
WA_CSTOCKQUANVALTS_STR-WBSELEMENT sy-vline 
WA_CSTOCKQUANVALTS_STR-CALENDARYEAR sy-vline 
WA_CSTOCKQUANVALTS_STR-YEARPERIODNAME sy-vline 
WA_CSTOCKQUANVALTS_STR-MATLWRHSSTKQTYINMATLBASEUNIT sy-vline 
WA_CSTOCKQUANVALTS_STR-STOCKVALUEINCCCRCY sy-vline 
WA_CSTOCKQUANVALTS_STR-STOCKVALUEINDISPLAYCURRENCY sy-vline 
WA_CSTOCKQUANVALTS_STR-STOCKVALUEINDISPLAYCURRENCYEND sy-vline 
WA_CSTOCKQUANVALTS_STR-MATERIALGROUP sy-vline 
WA_CSTOCKQUANVALTS_STR-MATERIALGROUPNAME sy-vline 
WA_CSTOCKQUANVALTS_STR-PRODUCTNAME sy-vline 
WA_CSTOCKQUANVALTS_STR-PLANTNAME sy-vline 
WA_CSTOCKQUANVALTS_STR-STORAGELOCATIONNAME sy-vline      INTO ld_text SEPARATED BY SPACE.

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