ABAP Select data from SAP table CMVMCOSTEST into internal table

Get Example source ABAP code based on a different SAP table
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Below is a number of ABAP code snippets to demonstrate how to select data from SAP CMVMCOSTEST 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 CMVMCOSTEST. 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 CMVMCOSTEST 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_CMVMCOSTEST TYPE STANDARD TABLE OF CMVMCOSTEST,
      WA_CMVMCOSTEST TYPE CMVMCOSTEST,
      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: <CMVMCOSTEST> TYPE CMVMCOSTEST.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CMVMCOSTEST
*  INTO TABLE @DATA(IT_CMVMCOSTEST2).
*--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_CMVMCOSTEST INDEX 1 INTO DATA(WA_CMVMCOSTEST2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CMVMCOSTEST>-MANDT = 1.
<CMVMCOSTEST>-COSTESTIMATE = 1.
<CMVMCOSTEST>-COSTINGSTATUS = 1.
<CMVMCOSTEST>-LEDGERVALUATIONCURRENCYROLE = 1.
<CMVMCOSTEST>-LEDGER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CMVMCOSTEST-LEGALCURRENCYROLE, sy-vline,
  WA_CMVMCOSTEST-LEGALCURRENCYROLENAME, sy-vline,
  WA_CMVMCOSTEST-CURRENCYROLE, sy-vline,
  WA_CMVMCOSTEST-CURRENCYROLENAME, sy-vline,
  WA_CMVMCOSTEST-ACCOUNTINGVALUATIONSUBVIEW, sy-vline,
  WA_CMVMCOSTEST-ACCOUNTINGVALUATIONSUBVIEWNAME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CMVMCOSTEST 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_CMVMCOSTEST 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_CMVMCOSTEST INTO WA_CMVMCOSTEST.


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

*Conversion exit AC112, internal->external for field PLANNEDPRICE
CALL FUNCTION 'CONVERSION_EXIT_AC112_OUTPUT'
  EXPORTING
    input =                      WA_CMVMCOSTEST-PLANNEDPRICE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CMVMCOSTEST-PLANNEDPRICE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC112, internal->external for field FIXEDPORTIONOFPLANNEDPRICE
CALL FUNCTION 'CONVERSION_EXIT_AC112_OUTPUT'
  EXPORTING
    input =                      WA_CMVMCOSTEST-FIXEDPORTIONOFPLANNEDPRICE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CMVMCOSTEST-FIXEDPORTIONOFPLANNEDPRICE.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit CUNIT, internal->external for field VALUATIONQUANTITYUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CMVMCOSTEST-VALUATIONQUANTITYUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CMVMCOSTEST-VALUATIONQUANTITYUNIT.
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_CMVMCOSTEST_STR, 
MANDT TYPE STRING,
COSTESTIMATE TYPE STRING,
COSTINGSTATUS TYPE STRING,
LEDGERVALUATIONCURRENCYROLE TYPE STRING,
LEDGER TYPE STRING,
LEGALCURRENCYROLE TYPE STRING,
LEGALCURRENCYROLENAME TYPE STRING,
CURRENCYROLE TYPE STRING,
CURRENCYROLENAME TYPE STRING,
ACCOUNTINGVALUATIONSUBVIEW TYPE STRING,
ACCOUNTINGVALUATIONSUBVIEWNAME TYPE STRING,
ACCTGVALNVWSUBVIEWCOMBINEDNAME TYPE STRING,
LEDGERNAME TYPE STRING,
CONTROLLINGVALUATIONTYPE TYPE STRING,
ACCOUNTINGVALUATIONVIEWNAME TYPE STRING,
COSTINGVERSION TYPE STRING,
COSTINGVARIANT TYPE STRING,
COSTESTIMATEVALIDITYSTARTDATE TYPE STRING,
VALUATIONAREA TYPE STRING,
COMPANYCODE TYPE STRING,
CONTROLLINGAREA TYPE STRING,
VALUATIONVARIANT TYPE STRING,
COSTINGTYPE TYPE STRING,
COSTESTIMATEMARKINGDATE TYPE STRING,
COSTESTIMATEMARKINGUSER TYPE STRING,
COSTESTIMATERELEASEDATE TYPE STRING,
COSTESTIMATERELEASEUSER TYPE STRING,
PLANNEDPRICE TYPE STRING,
FIXEDPORTIONOFPLANNEDPRICE TYPE STRING,
CURRENCY TYPE STRING,
MATERIALPRICEUNITQTY TYPE STRING,
BASEUNIT TYPE STRING,
VALUATIONQUANTITYUNIT TYPE STRING,
ITEMISSELECTEDFORPROCESSING TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CMVMCOSTEST_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_CMVMCOSTEST_STR-MANDT sy-vline 
WA_CMVMCOSTEST_STR-COSTESTIMATE sy-vline 
WA_CMVMCOSTEST_STR-COSTINGSTATUS sy-vline 
WA_CMVMCOSTEST_STR-LEDGERVALUATIONCURRENCYROLE sy-vline 
WA_CMVMCOSTEST_STR-LEDGER sy-vline 
WA_CMVMCOSTEST_STR-LEGALCURRENCYROLE sy-vline 
WA_CMVMCOSTEST_STR-LEGALCURRENCYROLENAME sy-vline 
WA_CMVMCOSTEST_STR-CURRENCYROLE sy-vline 
WA_CMVMCOSTEST_STR-CURRENCYROLENAME sy-vline 
WA_CMVMCOSTEST_STR-ACCOUNTINGVALUATIONSUBVIEW sy-vline 
WA_CMVMCOSTEST_STR-ACCOUNTINGVALUATIONSUBVIEWNAME sy-vline 
WA_CMVMCOSTEST_STR-ACCTGVALNVWSUBVIEWCOMBINEDNAME sy-vline 
WA_CMVMCOSTEST_STR-LEDGERNAME sy-vline 
WA_CMVMCOSTEST_STR-CONTROLLINGVALUATIONTYPE sy-vline 
WA_CMVMCOSTEST_STR-ACCOUNTINGVALUATIONVIEWNAME sy-vline 
WA_CMVMCOSTEST_STR-COSTINGVERSION sy-vline 
WA_CMVMCOSTEST_STR-COSTINGVARIANT sy-vline 
WA_CMVMCOSTEST_STR-COSTESTIMATEVALIDITYSTARTDATE sy-vline 
WA_CMVMCOSTEST_STR-VALUATIONAREA sy-vline 
WA_CMVMCOSTEST_STR-COMPANYCODE sy-vline 
WA_CMVMCOSTEST_STR-CONTROLLINGAREA sy-vline 
WA_CMVMCOSTEST_STR-VALUATIONVARIANT sy-vline 
WA_CMVMCOSTEST_STR-COSTINGTYPE sy-vline 
WA_CMVMCOSTEST_STR-COSTESTIMATEMARKINGDATE sy-vline 
WA_CMVMCOSTEST_STR-COSTESTIMATEMARKINGUSER sy-vline 
WA_CMVMCOSTEST_STR-COSTESTIMATERELEASEDATE sy-vline 
WA_CMVMCOSTEST_STR-COSTESTIMATERELEASEUSER sy-vline 
WA_CMVMCOSTEST_STR-PLANNEDPRICE sy-vline 
WA_CMVMCOSTEST_STR-FIXEDPORTIONOFPLANNEDPRICE sy-vline 
WA_CMVMCOSTEST_STR-CURRENCY sy-vline 
WA_CMVMCOSTEST_STR-MATERIALPRICEUNITQTY sy-vline 
WA_CMVMCOSTEST_STR-BASEUNIT sy-vline 
WA_CMVMCOSTEST_STR-VALUATIONQUANTITYUNIT sy-vline 
WA_CMVMCOSTEST_STR-ITEMISSELECTEDFORPROCESSING sy-vline      INTO ld_text SEPARATED BY SPACE.

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