Calling Stored Function from TopLink

I have a simple Stored Function that I'm trying to call using TopLink API:
TopLink Version: 10.1.3.3.
Oracle JDBC Driver: ojdbc5.jar (Oracle JDBC Driver version - "11.1.0.6.0-Production+")
Stored Procedure:
Function Get_Email_Address_Id(P_EMAIL_ADDRESS IN varchar2) return number;
TopLink Code:
public String executeStoredFunction() {
TopLinkTemplate tlTemplate = getTopLinkTemplate();
StoredFunctionCall call = new StoredFunctionCall();
call.setProcedureName("EMAIL_ADDRESS_PKG.Get_Email_Address_Id");
call.setResult("FUNCTION_RESULT", String.class);
call.addNamedArgument("P_EMAIL_ADDRESS");
ValueReadQuery query = new ValueReadQuery();
query.setCall(call);
query.addArgument("P_EMAIL_ADDRESS");
Vector parameters = new Vector();
parameters.addElement("1009");
String result = (String)tlTemplate.executeQuery(query, parameters.toArray());
return result;
Error I'm getting:
Exception [TOPLINK-7121] (Oracle TopLink - 10g Release 3 (10.1.3.3.0) (Build 070428)): oracle.toplink.exceptions.ValidationException
Exception Description: DatabasePlatform does not support stored functions
     at oracle.toplink.exceptions.ValidationException.platformDoesNotSupportStoredFunctions(ValidationException.java:1299)
     at oracle.toplink.queryframework.StoredFunctionCall.prepareInternal(StoredFunctionCall.java:52)
     at oracle.toplink.internal.databaseaccess.DatabaseCall.prepare(DatabaseCall.java:494)
     at oracle.toplink.internal.queryframework.CallQueryMechanism.prepareCall(CallQueryMechanism.java:102)
     at oracle.toplink.internal.queryframework.CallQueryMechanism.prepareExecuteSelect(CallQueryMechanism.java:203)
     at oracle.toplink.queryframework.DataReadQuery.prepare(DataReadQuery.java:150)
     at oracle.toplink.queryframework.DatabaseQuery.checkPrepare(DatabaseQuery.java:405)
     at oracle.toplink.queryframework.DatabaseQuery.checkPrepare(DatabaseQuery.java:375)
     at oracle.toplink.queryframework.DatabaseQuery.execute(DatabaseQuery.java:598)
     at oracle.toplink.queryframework.DataReadQuery.execute(DataReadQuery.java:96)
     at oracle.toplink.publicinterface.Session.internalExecuteQuery(Session.java:2089)
     at oracle.toplink.publicinterface.Session.executeQuery(Session.java:993)
     at oracle.toplink.publicinterface.Session.executeQuery(Session.java:965)
Observations:
Why is TopLink complaining about DatabasePlatform?
I'm using Oracle 10g as my database platform. Did anyone encounter this problem?
I have tried various combinations but it always have same complaint.
Thanks in advance for help.

Hello,
It is complaining because the DatabasePlatform being used doesn't support functions. So the problem is that it is using the DatabasePlatform instead of the Oracle10Platform that you are expecting. How have you defined it? Could you have multiple sessions.xml files, and the one that is being picked not define the Oracle10Platform? Or could you be overriding the login somehow (prelogin event etc) and setting it to use the default DatabasePlatform by accident?
Best Regards,
Chris

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                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     

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  • Calling Stored Function

    Hi all,
    Trying to call a stored function from vfp5 using odbc, not ado. I'm having issues with the correct syntax of the statement. Can I not use the standard vfp sqlexec() command? ( i.e. sqlexec( connhandle, "{call package.function()}, "returncursor" ) Any help would be great since my customer has no clue on this, and frankly, neither do I.

    This is supported in the next code drop of the XSQL Servlet. Due out on OTN in the next couple of weeks.

  • How to call a function from asp

    Hi!, I'd like to know how to call a function from an asp page. I've written:
    set rs = server.createobject("Adodb.recordset")
    rs.open "call dbo.sf_Obt_Des_Producto ('0000161')",Conn
    if err.description <> "" then
    response.write ("No se pudo! :(")
    else
    response.write ("rs: " & rs(0))
    end if
    rs.close
    set rs = nothing
    but there is an error:
    ORA-06576: not a valid function or procedure name
    Please is very urgent!!!
    Thanks.
    Angie.

    You need to use the syntax "{call <procedure_name>}".
    The {call } syntax tells the OLE DB provider that it needs to translate the call into whatever the database's procedure calling syntax is. This means that even though different databases have different syntax for calling stored procedures, your OLE DB code can be run against any of them without changing.
    Justin

  • Trying to call a function from C#

    Hi all,
    I am having problems calling a function that returns a sys refcursor and takes a varchar2 as an input. From the SQL Developer IDE I see that the function is run like
    DECLARE
    X_AR_MHTR VARCHAR2(200);
    v_Return sys_refcursor;
    BEGIN
    X_AR_MHTR := 697678;
    v_Return := CMS_SMS.FOR_WEB.WEB_STATION_1(
    X_AR_MHTR => X_AR_MHTR
    /* Legacy output:
    DBMS_OUTPUT.PUT_LINE('v_Return = ' || v_Return);
    :v_Return := v_Return; --<-- Cursor
    END;
    here is my C# code
    public static void getTilemetriseis(bool isLemessos, string AMSet, out OracleDataReader dr)
    DataSet ds = new DataSet();
    OracleDataAdapter ad = new OracleDataAdapter();
    OracleCommand cmd = new OracleCommand();
    cmd.CommandType = CommandType.StoredProcedure;
    cmd.CommandText = "CMS_SMS.FOR_WEB.WEB_Station_1";
    if (isLemessos)
    cmd.Parameters.Add("X_AR_MHTR", OracleDbType.Varchar2, ConfigurationManager.AppSettings["LemessosArMhtr"].ToString(), ParameterDirection.Input);
    cmd.Parameters.Add(new OracleParameter("anexoflCur", OracleDbType.RefCursor, ParameterDirection.ReturnValue));
    // ad.SelectCommand.CommandText = string.Format(@"select m_code,ar_mhtr,city,address,stcode
    // from cms_sms.FOR_WEB.flowmetersall where ar_mhtr = {0}
    // order by length(ar_mhtr),ar_mhtr", ConfigurationManager.AppSettings["LemessosArMhtr"].ToString());
    else
    cmd.Parameters.Add("X_AR_MHTR", OracleDbType.Varchar2, "697678", ParameterDirection.Input);
    cmd.Parameters.Add(new OracleParameter("v_Return", OracleDbType.RefCursor, ParameterDirection.ReturnValue));
    // ad.SelectCommand.CommandText = string.Format(@"select m_code,ar_mhtr,city,address,stcode
    // from cms_sms.FOR_WEB.flowmetersall where ar_mhtr= -1
    // order by length(ar_mhtr),ar_mhtr", AMSet);
    cmd.Connection = OracleDBManager.getOracleCMSConnection();
    cmd.ExecuteNonQuery();
    dr = (OracleDataReader)cmd.Parameters["v_Return"].Value;
    cmd.Connection.Close();
    The error rises on cmd.ExecuteNonQuery() and is described as
    ORA-06550:
    PLS-00306: wrong number or type of argument
    Any ideas?

    Off the top of my head, your parameter type on the second parameter is wrong. The function doesn't have a return value, one of the parameters contains it. So the second parameter's type can't be ReturnValue (should be output).
    Either that or change the function to only have one parameter and add RETURN sys_refcursor into the definition, at which point you can use ReturnValue.
    Here's an example: http://stackoverflow.com/questions/1773534/what-is-the-right-way-to-call-an-oracle-stored-function-from-ado-net-and-get-the
    Edited by: Tridus on Mar 20, 2013 10:24 AM

  • Calling stored procedures from entity object and application module

    Hello
    I've put in place an EntiyImpl base class containg helper methods to call stored procedures.
    I now need to call stored procedures from the application module.
    Apart from creating an application module base class and duplicating the helper method code is there a way
    to share the helper methods for calling stored procedures between the entity impl and application module impl ?
    Regards
    Paul

    Does the helper code depend on features of a particular entity object instance, beyond its database transaction?
    If so, I'm not sure I see how it could be used from an application module class.
    If not, here's what you do:
    Step 1:
    Parametrize the database transaction--you might even want to. So instead of
    protected myHelperMethod(Object someParam) {
    DBTransaction trans = getDBTransaction();
    change this to
    protected myHelperMethod(DBTransaction trans, Object someParam) {
    Step 2: make the method public and static--once you parameterize the DBTransaction, you should be able to do this.
    public static myHelperMethod(DBTransaction trans, Object someParam) {
    Step 3: Remove the method from your EntityImpl base class into a utility class:
    public abstract class PlSqlUtils {
    private PlSqlUtils() {}
    public static myHelperMethod(DBTransaction trans, Object someParam) {
    When you want to call the method from an application module, entity object, or even view object class, call
    PlSqlUtils.myHelperMethod(getDBTransaction(), paramValue);
    Unlike Transaction.executeCommand(), this lets you provide functionality like setting procedure parameter values, retrieving OUT parameter values, etc.
    Hope this helps,
    Avrom

  • Calling Stored Procedures from Discoverer

    Does anyone know if I can call stored procedures from Discoverer? I know it supports Registered PL/SQL functions. If yes, can I find any documentation. Any information will be very helpful.
    Thanks in advance!
    Ning

    One way I can think of to do that would be to use function with pragma restrict references. You can then use the function as a column in a SQL query to make a folder in Discoverer.

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