ABAP Select data from SAP table CMMQUANTVARCUBE into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CMMQUANTVARCUBE
*  INTO TABLE @DATA(IT_CMMQUANTVARCUBE2).
*--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_CMMQUANTVARCUBE INDEX 1 INTO DATA(WA_CMMQUANTVARCUBE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CMMQUANTVARCUBE>-MANDT = 1.
<CMMQUANTVARCUBE>-PURCHASEORDER = 1.
<CMMQUANTVARCUBE>-PURCHASEORDERITEM = 1.
<CMMQUANTVARCUBE>-SUPLREVALCRITRADELIVCOMPLETED = 1.
<CMMQUANTVARCUBE>-PURORDITMFIRSTGRPOSTINGDATE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CMMQUANTVARCUBE-PURORDITMFINALGRPOSTINGDATE, sy-vline,
  WA_CMMQUANTVARCUBE-CALENDARYEAR, sy-vline,
  WA_CMMQUANTVARCUBE-CALENDARQUARTER, sy-vline,
  WA_CMMQUANTVARCUBE-CALENDARMONTH, sy-vline,
  WA_CMMQUANTVARCUBE-CALENDARWEEK, sy-vline,
  WA_CMMQUANTVARCUBE-PURCHASINGORGANIZATION, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CMMQUANTVARCUBE 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_CMMQUANTVARCUBE 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_CMMQUANTVARCUBE INTO WA_CMMQUANTVARCUBE.


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

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

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

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

*Conversion exit CUNIT, internal->external for field PURCHASEORDERQUANTITYUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CMMQUANTVARCUBE-PURCHASEORDERQUANTITYUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CMMQUANTVARCUBE-PURCHASEORDERQUANTITYUNIT.
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_CMMQUANTVARCUBE_STR, 
MANDT TYPE STRING,
PURCHASEORDER TYPE STRING,
PURCHASEORDERITEM TYPE STRING,
SUPLREVALCRITRADELIVCOMPLETED TYPE STRING,
PURORDITMFIRSTGRPOSTINGDATE TYPE STRING,
PURORDITMFINALGRPOSTINGDATE TYPE STRING,
CALENDARYEAR TYPE STRING,
CALENDARQUARTER TYPE STRING,
CALENDARMONTH TYPE STRING,
CALENDARWEEK TYPE STRING,
PURCHASINGORGANIZATION TYPE STRING,
PURCHASINGGROUP TYPE STRING,
SUPPLIER TYPE STRING,
COUNTRY TYPE STRING,
REGION TYPE STRING,
COMPANYCODE TYPE STRING,
MATERIAL TYPE STRING,
MATERIALGROUP TYPE STRING,
PLANT TYPE STRING,
PURCHASINGCATEGORY TYPE STRING,
PURGCATNAME TYPE STRING,
PURCHASEORDERQUANTITYUNIT TYPE STRING,
DISPLAYCURRENCY TYPE STRING,
ORDEREDQUANTITY TYPE STRING,
GOODSRECEIPTQTY TYPE STRING,
QUANTITYVARIANCEINORDUNIT TYPE STRING,
QUANTITYVARIANCEINDSPCRCY TYPE STRING,
QUANTITYVARIANCESCORE TYPE STRING,
QUANTITYVARIANCEINPCTVALUE TYPE STRING,
NUMBEROFPURCHASEORDERS TYPE STRING,
NUMBEROFPURCHASEORDERITEMS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CMMQUANTVARCUBE_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_CMMQUANTVARCUBE_STR-MANDT sy-vline 
WA_CMMQUANTVARCUBE_STR-PURCHASEORDER sy-vline 
WA_CMMQUANTVARCUBE_STR-PURCHASEORDERITEM sy-vline 
WA_CMMQUANTVARCUBE_STR-SUPLREVALCRITRADELIVCOMPLETED sy-vline 
WA_CMMQUANTVARCUBE_STR-PURORDITMFIRSTGRPOSTINGDATE sy-vline 
WA_CMMQUANTVARCUBE_STR-PURORDITMFINALGRPOSTINGDATE sy-vline 
WA_CMMQUANTVARCUBE_STR-CALENDARYEAR sy-vline 
WA_CMMQUANTVARCUBE_STR-CALENDARQUARTER sy-vline 
WA_CMMQUANTVARCUBE_STR-CALENDARMONTH sy-vline 
WA_CMMQUANTVARCUBE_STR-CALENDARWEEK sy-vline 
WA_CMMQUANTVARCUBE_STR-PURCHASINGORGANIZATION sy-vline 
WA_CMMQUANTVARCUBE_STR-PURCHASINGGROUP sy-vline 
WA_CMMQUANTVARCUBE_STR-SUPPLIER sy-vline 
WA_CMMQUANTVARCUBE_STR-COUNTRY sy-vline 
WA_CMMQUANTVARCUBE_STR-REGION sy-vline 
WA_CMMQUANTVARCUBE_STR-COMPANYCODE sy-vline 
WA_CMMQUANTVARCUBE_STR-MATERIAL sy-vline 
WA_CMMQUANTVARCUBE_STR-MATERIALGROUP sy-vline 
WA_CMMQUANTVARCUBE_STR-PLANT sy-vline 
WA_CMMQUANTVARCUBE_STR-PURCHASINGCATEGORY sy-vline 
WA_CMMQUANTVARCUBE_STR-PURGCATNAME sy-vline 
WA_CMMQUANTVARCUBE_STR-PURCHASEORDERQUANTITYUNIT sy-vline 
WA_CMMQUANTVARCUBE_STR-DISPLAYCURRENCY sy-vline 
WA_CMMQUANTVARCUBE_STR-ORDEREDQUANTITY sy-vline 
WA_CMMQUANTVARCUBE_STR-GOODSRECEIPTQTY sy-vline 
WA_CMMQUANTVARCUBE_STR-QUANTITYVARIANCEINORDUNIT sy-vline 
WA_CMMQUANTVARCUBE_STR-QUANTITYVARIANCEINDSPCRCY sy-vline 
WA_CMMQUANTVARCUBE_STR-QUANTITYVARIANCESCORE sy-vline 
WA_CMMQUANTVARCUBE_STR-QUANTITYVARIANCEINPCTVALUE sy-vline 
WA_CMMQUANTVARCUBE_STR-NUMBEROFPURCHASEORDERS sy-vline 
WA_CMMQUANTVARCUBE_STR-NUMBEROFPURCHASEORDERITEMS sy-vline      INTO ld_text SEPARATED BY SPACE.

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