Hibernate: Oracle function call

Hi,
I want to call a oracle function through Hibernate.
Can you please tell me steps how i can achieve the same.
What ever i have read, i am mentioning below. Please let me if i am wrong
1. Create a class TestFunction.java having getter setter methods
2. Create TestFunction.hbm.xml which will be having following code
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE hibernate-mapping PUBLIC    "-//Hibernate/Hibernate Mapping DTD 3.0//EN"     "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
<hibernate-mapping>
<sql-query name="callFunction" callable="true">
<return class="TestFunction">
</return>
{ call TestFunctionSQL(?,   :Name, :Age) }
</sql-query>
</hibernate-mapping>I just copy pasted the code from some website and modified as per my need. Please let me know if anything is wrong above.
3. I need to put the entry of TestFunction.hbm.xml in hibernate-cfg.xml
4. I need to put the code in java to call teh stored proc. I dont have any idea how to do that.
Please help
~Aman

Before beginning : sorry if my answer isn't relevant but you asked no clear question
I don't know a lot about it, even if all looks fine to me...
the way to call a named query in hibernate is:
List l =session.getNamedQuery("callFunction")
    .setString("param1", param1)
    .setString("param2, param2)
    .setMaxResults(50)
    .list(); // named parameters are betterSEE: http://www.hibernate.org/hib_docs/v3/reference/en/html/querysql.html
specially $16.2 and $16.2.2
//extract
For Oracle the following rules apply:
* A function must return a result set. The first parameter of a procedure must be an OUT that returns a result set. This is done by using a SYS_REFCURSOR type in Oracle 9 or 10. In Oracle you need to define a REF CURSOR type, see Oracle literature.

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Is it possible to call Custom Oracle Function from JDBC Adapter?
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Regards,
Shweta.

You'll need to provide a column alias for the function call:
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Hi, Steve,
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How to call oracle function from ejb3

i'm trying to call an oracle query-function from ejb3.
The oracle function:
create or replace FUNCTION getSecThreadCount(secId in NUMBER,avai in NUMBER)
RETURN SYS_REFCURSOR is cur SYS_REFCURSOR;
m_sql VARCHAR2(250);
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I'v tried several ways to call it,but all failed:
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Exception in thread "main" javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.SQLGrammarException: could not execute query; nested exception is: javax.persistence.PersistenceException: org.hibernate.exception.SQLGrammarException: could not execute query
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ORA-06550: row 1, col 7:
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2. the calling code:
@SqlResultSetMapping(name = "getSecThreadCount_Mapping")
@NamedNativeQuery(name = "getSecThreadCount",
query = "{?=call getSecThreadCount(:secId,:avai)}",
resultSetMapping = "getSecThreadCount_Mapping",
hints = {@QueryHint(name = "org.hibernate.callable", value = "true"),
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public Object getSectionThreadCount(int secId,int avai){
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but i run into the exception:
Exception in thread "main" javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.SQLGrammarException: could not execute query; nested exception is: javax.persistence.PersistenceException: org.hibernate.exception.SQLGrammarException: could not execute query
javax.persistence.PersistenceException: org.hibernate.exception.SQLGrammarException: could not execute query
Caused by: java.sql.SQLException: lost in index IN or OUT parameter:: 3
By the way, i have successfully called the function from hibernate. And i use oracle 11g, JBoss5 RC1.
Could anyone tell me how to call the function from EJB3?
Thanks.

Here's a working model:
package.procedure: (created in example schema scott)
CREATE OR REPLACE package body data_pkg as
type c_refcursor is ref cursor;
-- function that return all emps of a certain dept
function getEmployees ( p_deptId in number
return c_refcursor
is
    l_refcursor c_refcursor;
begin
     open l_refcursor
    for
          select e.empno as emp_id
          ,        e.ename as emp_name
          ,        e.job   as emp_job
          ,        e.hiredate as emp_hiredate
          from   emp e
          where e.DEPTNO = p_deptId;
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end getEmployees;
end data_pkg;
/entity class:
package net.app.entity;
import java.io.Serializable;
import java.util.Date;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.NamedNativeQuery;
import javax.persistence.QueryHint;
import javax.persistence.SequenceGenerator;
import javax.persistence.Table;
@SuppressWarnings("serial")
@Entity
@Table (name="emp")
@SequenceGenerator(name = "EmployeeSequence", sequenceName = "emp_seq")
@NamedNativeQuery( name = "getEmpsByDeptId"
               , query = "{ ? = call data_pkg.getEmployees(?)}"
               , resultClass = Employee.class
               , hints = { @QueryHint(name = "org.hibernate.callable", value = "true")
                      , @QueryHint(name = "org.hibernate.readOnly", value = "true")
public class Employee implements Serializable
    @Id
    @Column(name="emp_id")
    @GeneratedValue(strategy = GenerationType.SEQUENCE, generator = "EmployeeSequence")
    private int id;
    @Column(name="emp_name")
    private String name;
    @Column(name="emp_job")
    private String job;
    @Column(name="emp_hiredate")
    private Date hiredate;
    // constructor
    public Employee (){}
    // getters and setters
    public int getId()
     return id;
etc...session bean:
package net.app.entity;
import java.util.ArrayList;
import java.util.List;
import javax.ejb.Stateless;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import javax.persistence.Query;
import net.app.entity.Employee;
import net.app.iface.ScottAdmin;
@Stateless
public class ScottAdminImpl implements ScottAdmin
    @PersistenceContext
    private EntityManager entityManager;
    @SuppressWarnings("unchecked")
    public List<Employee> getEmployeesByDeptId(int deptId)
     ArrayList<Employee> empList;
     try
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         query.setParameter(1, deptId);
         empList = (ArrayList<Employee>) query.getResultList();
         return empList;
     catch (Exception e)
         e.printStackTrace(System.out);
         return null;
}client:
package net.app.client;
import java.util.List;
import javax.naming.InitialContext;
import javax.naming.NamingException;
import net.app.entity.Employee;
import net.app.iface.ScottAdmin;
public class ScottClient
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     try
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         InitialContext ctx = new InitialContext();
         ScottAdmin adminInterface = (ScottAdmin) ctx.lookup("ScottAdminImpl/remote");
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         int deptno = 20;
         List<Employee> empList = adminInterface.getEmployeesByDeptId(deptno);
         // output
         System.out.println("Listing employees:");
         for (Employee emp : empList)
          System.out.println(emp.getId() + ": " + emp.getName() + ", " + emp.getJob() + ", " + emp.getHiredate());
     catch (NamingException e)
         e.printStackTrace(System.out);
}Basically you just ignore the refcursor outbound parameter.
This is a stored function, have yet to try outbound refcursor parameters in stored procedures...
Edited by: _Locutus on Apr 2, 2009 2:37 PM

Toplink JPA Calling Oracle Function Return sys_refcursor

I have a function which return sys_refcursor and I am trying to call this using JPA(1.0)
@NamedNativeQuery( name = "getEmpsByDeptId"
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DAOImpl
query = getEntityManager().createNamedQuery("getEmpsByDeptId");
query.setParameter("longName", "SCOTT");
list = (List<Employee>)query.getResultList();
However when I execute, I am getting the following exception
Exception [TOPLINK-6132] (Oracle TopLink Essentials - 2.1 (Build b52-fcs (09/24/2008))):
oracle.toplink.essentials.exceptions.QueryException Exception Description:
Query argument 2 not found in list of parameters provided during query execution.
Query: ReadAllQuery(test.entity.Employee) at oracle.toplink.essentials.exceptions.QueryException.namedArgumentNotFoundInQueryParameters
I have tried using
call my_pck.getEmployees(?)}"
and
query.setParameter(1, "SCOTT");
However error remains the same and how can I resolve this issue?
I have used the same function with Hibernate using JPA2.0 and it has worked.
Thank

lecaro wrote:
OK. But obviously there is some oracle object that one can call via an Access pass-through query which returns rows?Just to clarify. You could fetch data in Access from an Oracle function that returns a ref cursor using VBA editor. To use a pass-through query Oracle function should be a table function or pipelined table function:
CREATE OR REPLACE
TYPE testvalues_obj_type
    AS OBJECT(
              val varchar2(10),
              isnum number
CREATE OR REPLACE
TYPE testvalues_tbl_type
    AS TABLE OF testvalues_obj_type
CREATE OR REPLACE
FUNCTION fn_testvalues
    RETURN testvalues_tbl_type
    PIPELINED
    IS
        CURSOR testvalues_cur
          IS
            SELECT testvalues_obj_type(MyValue,fn_isnum(MyValue)) testvalues_obj
              FROM t_values;
    BEGIN
        FOR v_rec IN testvalues_cur LOOP
          PIPE ROW(v_rec.testvalues_obj);
        END LOOP;
        RETURN;
END;
/To test it in Oracle:
SELECT *
FROM TABLE(fn_testvalues)
VAL             ISNUM
Merced              0
Pixie               0
452                 1
SQL> Now in Access pass-trough query window enter:
SELECT *
FROM TABLE(fn_testvalues);SY.

XML Error while calling webservice from oracle function.

I am getting an error while I am trying to call webservice from oracle function. Any ideas? Thanks.
select get_new_string ('proxy:80', 'http://xxx/PatternVariations/SourceTest/WebMethods','Scott') from dual
ERROR at line 1:
ORA-31011: XML parsing failed
ORA-19202: Error occurred in XML processing
LPX-00225: end-element tag "H4" does not match start-element tag "P"
Error at line 9
ORA-06512: at "SYS.XMLTYPE", line 0
ORA-06512: at "DORSBP00.DEMO_SOAP", line 82
ORA-06512: at "DORSBP00.GET_NEW_STRING", line 11

The error message implies that the web service is returning something that is not well formed xml. Can you verify what is being returned by the web service call

Java function call from Trigger in Oracle

Moderator edit:
This post was branched from an eleven-year-old long dead thread
Java function call from Trigger in Oracle
@ user 861498,
For the future, if a forum discussion is more than (let's say) a month old, NEVER resurrect it to append your new issue. Always start a new thread. Feel free to include a link to that old discussion if you think it might be relevant.
Also, ALWAYS use code tags as is described in the forum FAQ that is linked at the upper corner of e\very page. Your formulae will be so very much more readable.
{end of edit, what follows is their posting}
I am attempting to do a similar function, however everything is loaded, written, compiled and resolved correct, however, nothing is happening. No errors or anything. Would I have a permission issue or something?
My code is the following, (the last four lines of java code is meant to do activate a particular badge which will later be dynamic)
Trigger:
CREATE OR REPLACE PROCEDURE java_contact_t4 (member_id_in NUMBER)
IS LANGUAGE JAVA
NAME 'ThrowAnError.contactTrigger(java.lang.Integer)';
Java:
CREATE OR REPLACE AND COMPILE JAVA SOURCE NAMED "ThrowAnError" AS
// Required class libraries.
import java.sql.*;
import oracle.jdbc.driver.*;
import com.ekahau.common.sdk.*;
import com.ekahau.engine.sdk.*;
// Define class.
public class ThrowAnError {
// Connect and verify new insert would be a duplicate.
public static void contactTrigger(Integer memberID) throws Exception {
String badgeId;
// Create a Java 5 and Oracle 11g connection.
Connection conn = DriverManager.getConnection("jdbc:default:connection:");
// Create a prepared statement that accepts binding a number.
PreparedStatement ps = conn.prepareStatement("SELECT \"Note\" " +
"FROM Users " +
"WHERE \"User\" = ? ");
// Bind the local variable to the statement placeholder.
ps.setInt(1, memberID);
// Execute query and check if there is a second value.
ResultSet rs = ps.executeQuery();
while (rs.next()) {
badgeId = rs.getString("Note");
// Clean up resources.
rs.close();
ps.close();
conn.close();
// davids badge is 105463705637
EConnection mEngineConnection = new econnection("10.25.10.5",8550);
mEngineConnection.setUserCredentials("choff", "badge00");
mEngineConnection.call("/epe/cfg/tagcommandadd?tagid=105463705637&cmd=mmt%203");
mEngineConnection.call("/epe/msg/tagsendmsg?tagid=105463705637&messagetype=instant&message=Hello%20World%20from%20Axium-Oracle");
Edited by: rukbat on May 31, 2011 1:12 PM

To followup on the posting:
Okay, being a oracle noob, I didn't know I needed to tell anything to get the java error messages out to the console
Having figured that out on my own, I minified my code to just run the one line of code:
// Required class libraries.
import java.sql.*;
import oracle.jdbc.driver.*;
import com.ekahau.common.sdk.*;
import com.ekahau.engine.sdk.*;
// Define class.
public class ThrowAnError {
     public static void testEkahau(Integer memberID) throws Exception {
     try {
          EConnection mEngineConnection = new EConnection("10.25.10.5",8550);
     } catch (Throwable e) {
          System.out.println("got an error");
          e.printStackTrace();
}So, after the following:
SQL> {as sysdba on another command prompt} exec dbms_java.grant_permission('AXIUM',"SYS:java.util.PropertyPermission','javax.security.auth.usersubjectCredsOnly','write');
and the following as the user
SQL> set serveroutput on
SQL> exec dbms_java.set_output(10000);
I run the procedure and receive the following message.
SQL> call java_contact_t4(801);
got an error
java.lang.NoClassDefFoundError
     at ThrowAnError.testEkahau(ThrowAnError:13)
Call completed.
NoClassDefFoundError tells me that it can't find the jar file to run my call to EConnection.
Now, I've notice when I loaded the sdk jar file, it skipped some classes it contained:
c:\Users\me\Documents>loadjava -r -f -v -r "axium/-----@axaxiumtrain" ekahau-engine-sdk.jar
arguments: '-u' 'axium/***@axaxiumtrain' '-r' '-f' '-v' 'ekahau-engine-sdk.jar'
creating : resource META-INF/MANIFEST.MF
loading : resource META-INF/MANIFEST.MF
creating : class com/ekahau/common/sdk/EConnection
loading : class com/ekahau/common/sdk/EConnection
creating : class com/ekahau/common/sdk/EErrorCodes
loading : class com/ekahau/common/sdk/EErrorCodes
skipping : resource META-INF/MANIFEST.MF
resolving: class com/ekahau/common/sdk/EConnection
skipping : class com/ekahau/common/sdk/EErrorCodes
skipping : class com/ekahau/common/sdk/EException
skipping : class com/ekahau/common/sdk/EMsg$EMSGIterator
skipping : class com/ekahau/common/sdk/EMsg
skipping : class com/ekahau/common/sdk/EMsgEncoder
skipping : class com/ekahau/common/sdk/EMsgKeyValueParser
skipping : class com/ekahau/common/sdk/EMsgProperty
resolving: class com/ekahau/engine/sdk/impl/LocationImpl
skipping : class com/ekahau/engine/sdk/status/IStatusListener
skipping : class com/ekahau/engine/sdk/status/StatusChangeEntry
Classes Loaded: 114
Resources Loaded: 1
Sources Loaded: 0
Published Interfaces: 0
Classes generated: 0
Classes skipped: 0
Synonyms Created: 0
Errors: 0
.... with no explanation.
Can anyone tell me why it would skip resolving a class? Especially after I use the -r flag to have loadjava resolve it upon loading.
How do i get it to resolve the entire jar file?
Edited by: themadprogrammer on Aug 5, 2011 7:15 AM
Edited by: themadprogrammer on Aug 5, 2011 7:21 AM
Edited by: themadprogrammer on Aug 5, 2011 7:22 AM
Edited by: themadprogrammer on Aug 5, 2011 7:23 AM
Edited by: themadprogrammer on Aug 5, 2011 7:26 AM

Calling oracle function in OMB script

Hi
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http://www.exampledepot.com/egs/java.sql/CallProcedure.html
Cheers,
Mike
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   java::import java.sql.DriverManager
   java::import java.sql.ResultSet
   java::import java.sql.SQLWarning
   java::import java.sql.Statement
   java::import java.sql.CallableStatement
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   java::import java.sql.Types
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   append url /
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   append url "@"
   append url $serverName
   append url :
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   append url :
   append url $databaseName
   set oraConnection [ java::call DriverManager getConnection $url ]
   set oraDatabaseMetaData [ $oraConnection getMetaData ]
   set oraDatabaseVersion [ $oraDatabaseMetaData getDatabaseProductVersion ]
   puts "Connected to: $url"
   puts "$oraDatabaseVersion"
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$oraConnect close
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#translation of JDBC types as defined in XOPEN interface
set rv "NUMBER"
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   # if ever want to really build an abstraction layer
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# SAMPLE CODE to run a quick query and dump the results. #
#set oraConn [ oracleConnect myserver orcl 1555 scott tiger ]
#set oraRs [ oracleQuery $oraConn "select name, count(*) numlines from user_source group by name" ]
#for each row in the result set
#while {[$oraRs next]} {
#grab the field values
# set procName [$oraRs getString name]
# set procCount [$oraRs getInt numlines]
# puts "Program unit $procName comprises $procCount lines"
#$oraRs close
#oracleDisconnect $oraConnEdited by: zeppo on Nov 25, 2008 7:19 AM

Execute Oracle Package Function call from FORTE

Has anyone EVER successfully execute an Oracle Package Function call from FORTE
via " sql execute procedure "?
Here's my question, I am able to execute a stored procedure but hasn't figured
out a way to execute a function which defined in a package. The syntax goes
like this: sql execute procedure <PackageName>.<FunctionName> ( input
input_parm, output output_parm). If anyone EVER successfully execute a
function, please let me know, thanks.

You'll need to provide a column alias for the function call:
select func(val) as alias from dual

Call oracle function in ODI

I am new to ODI. I need to call a function created on the database which return a value. In ODI I created a variable. In the select (of the variable) I don't know how to call the source table value that needs to be passed to the function.
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create or replace function return_timeid(trans_date in date)
return number is
Result number;
v_trans_date varchar2(30) := to_char(trans_date, 'dd-mon-rrrr hh24miss');
v_hour number := 0;
v_min number := 0;
begin
v_hour := substr(v_trans_date, 13, 2);
v_min := substr(v_trans_date, 15, 2);
case
when v_min between 1 and 30 then
result := (v_hour * 100) + 30;
when v_min = 0 then
result := v_hour * 100;
when v_min > 30 then
result := (v_hour + 1) * 100;
end case;
-- convert 2400 to 0000
if result = 2400 then
result := 0;
elsif result = 2430 then
result := 30;
end if;
return result;
end return_timeid;
The result will be a time ID, depending on the source record value in the source table. How do I keep the time ID in the variable that I created.
This is the select in my variable (Time_ID):
SELECT BIUSER.return_timeid(GPRS_HOME_CDRS.CALL_DATE_DT) FROM dual
this is my error:
904 : 42000 : java.sql.SQLException: ORA-00904: "GPRS_HOME_CDRS"."CALL_DATE_DT": invalid identifier
Regards

I tried to call the function in the mapping. My code:
biuser.return_timeid(GPRS_HOME_CDRS.CALL_DATE_DT)
but then I get the ORA-00936 (missing expression)
My code generated in the operator when loading the flow table:
insert /*+ APPEND */ into BIUSER.I$_FACT_ABIL_GPRS_T
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     DIM_DATA_RECORD_TYPE.DIMDATARECORDTYPEID,
     DIM_DATE.DIMDATEID,
     biuser.return_timeid(C12_CALL_DATE_DT),     DIM_APN.DIMAPNID,
     to_number(DIM_IMSI_MSISDN.DIMIMSIMSISDNID),
     to_number(DIM_CALL_LOCATION.DIMCALLLOCATIONID),
     to_number(DIM_TERM_CAUSE.DIMTERMCAUSEID),
     C5_CALL_DURATION_N,
     .DATA_VOLUME_OUTGOING_1_N,
     C17_DATA_VOLUME_INCOMING_1_N,
     C1_CALL_CHARGE,
     DIM_RATEPLAN.DIMRATEPLANID,
     C12_CALL_DATE_DT,
     to_number(DIM_RATEPLAN.DIMRATEPLANID),
     DIM_TARIFF.DIMTARIFFID,
     to_number(DIM_CALLCHARGE_TYPE_TB.DIMCALLCHARGETYPEID),
     C2_MOBL_NUM,
     C21_ACCOUNT_LINK_CODE_N,
     C10_CHARGED_UNITS_N,
     C9_CHARGED_DURATION_N,
     C8_CHARGED_VOLUME_N,
     C16_DISCOUNTED_VALUE_N,
     round(C15_DISCOUNTED_AMOUNT_N/1000,4),
     SYSDATE,
     C13_CHRONO_NUM_N,
     C6_ORGINATE_CELL_ID_V,
     C3_STAGE_PROCESS_DATE,
     'I' IND_UPDATE
from     BIUSER.DIM_DATA_RECORD_TYPE DIM_DATA_RECORD_TYPE, BIUSER.DIM_DATE DIM_DATE, BIUSER.DIM_CALL_LOCATION DIM_CALL_LOCATION, BIUSER.DIM_APN DIM_APN, BIUSER.DIM_IMSI_MSISDN DIM_IMSI_MSISDN, BIUSER.DIM_TERM_CAUSE DIM_TERM_CAUSE, BIUSER.DIM_CALLCHARGE_TYPE_TB DIM_CALLCHARGE_TYPE_TB, BIUSER.DIM_TARIFF DIM_TARIFF, BIUSER.DIM_RATEPLAN DIM_RATEPLAN, BIUSER.C$_0FACT_ABIL_GPRS_T
where     (1=1)
And (nvl(to_number(C14_SWITCH_CALL_TYPE_V),99999)=DIM_DATA_RECORD_TYPE.RECORD_TYPE)
AND (to_number(to_char(C12_CALL_DATE_DT,'RRRRMMDD'))=DIM_DATE.DIMDATEID)
AND (nvl(C11_MOBL_ORIGINATE_ZONE_CODE_V,'Undefined')=DIM_CALL_LOCATION.COUNTRY)
AND (nvl(C4_ACCESS_POINT_NAME_V,'Undefined')=DIM_APN.APN)
AND (nvl(C23_IMSI_NUM_N,99999999999)=DIM_IMSI_MSISDN.IMSI_NR)
AND (nvl(C20_CALL_TERMINATION_CAUSE_V,'XX')=DIM_TERM_CAUSE.TERMCAUSE)
AND (nvl(C18_CALL_CHRG_TYPE_V,'9')=DIM_CALLCHARGE_TYPE_TB.CALL_CHARGE_TYPE)
AND (nvl(C7_TARIFF_CODE_V,'999999')=DIM_TARIFF.TARIFF_CODE)
AND (nvl(C22_RATE_PLAN_CODE_N,99999)=DIM_RATEPLAN.RATEPLAN_CODE and
nvl(C7_TARIFF_CODE_V,'999999')=DIM_RATEPLAN.TARIFF_CODE)
minus
select
     DIMDATASOURCEID,
     DIMDATARECORDTYPEID,
     DIMDATEID,
     DIMTIMEID,
     DIMAPNID_IC,
     DIMIMSIID,
     DIMCALLLOCATIONID,
     DIMCAUSERECCLOSEID,
     CALLDURATION,
     UPLINK_DATAVOLUME,
     DOWNLINK_DATAVOLUME,
     CALL_CHARGE,
     DIMRATEPLANID,
     TRANS_DATE,
     DIMPEAKID,
     DIMTARIFFCODEID,
     DIMCHARGEID,
     MOBL_NUM,
     ACC_LINK_CODE,
     CHARGED_UNITS,
     CHARGED_DURATION,
     CHARGED_VOLUME,
     DISCOUNTED_VALUE,
     DISCOUNTED_AMOUNT,
     FACT_PROCESS_DATE,
     CHRONO_NUM,
     ORIGINATE_CELL_ID,
     STAGE_PROCESS_DATE,
     'I'     IND_UPDATE
from     BIUSER.FACT_ABIL_GPRS_T

Calling Oracle function and Procedure using OCCI with in C++ code

Could any body send me the sample code to create and execute Oracle function and Procedure using OCCI concept in C++?.
Edited by: 788634 on Aug 16, 2010 4:09 AM

Hi Vishnu,
Yes, sure, you can create a PL/SQL procedure, function, package, package body, etc. from within an OCCI application. I would say that, generally, this is not the sort of activity a typical client application would perform unless there is some initialization/installation processes that need to happen. In any case, here is a simple demo showing how to create a stand alone procedure (in a real application I would use a package and body) that returns a ref cursor. The ref cursor is just a simple select of two columns in the hr.countries sample table. Of course, there is no error handling, object orientation, etc. in this demo - I wanted to keep the code as short and as simple as possible to illustrate the concept.
Regards,
Mark
#include <occi.h>
#include <iostream>
using namespace std;
using namespace oracle::occi;
int main(void)
// occi variables
Environment *env;
Connection *con;
Statement   *stmt;
ResultSet   *rs;
// database connection information
string user = "hr";
string passwd = "hr";
string db = "orademo";
// sql to create the procedure which returns a ref cursor as out parameter
// should be run as hr sample user or in a schema that has select privilege
// on the hr.countries table and a synonym (countries) that points to the
// hr.countries table
string sqlCreate =
    "create or replace procedure get_countries(p_rc out sys_refcursor) as "
    "begin"
    " open p_rc for"
    " select country_id, country_name from countries order by country_name; "
    "end;";
// pl/sql anonymous block to call the procedure
string sqlCall = "begin get_countries(:1); end;";
// create a default environment for this demo
env = Environment::createEnvironment(Environment::DEFAULT);
cout << endl;
// open the connection to the database
con = env->createConnection(user, passwd, db);
// display database version
cout << con->getServerVersion() << endl << endl;
// create statement object for creating procedure
stmt = con->createStatement(sqlCreate);
// create the procedure
stmt->executeUpdate();
// terminate the statement object
con->terminateStatement(stmt);
// now create new statement object to call procedure
stmt = con->createStatement(sqlCall);
// need to register the ref cursor output parameter
stmt->registerOutParam(1, OCCICURSOR);
// call the procedure through the anonymous block
stmt->executeUpdate();
// get the ref cursor as an occi resultset
rs = stmt->getCursor(1);
// loop through the result set
// and write the values to the console
while (rs->next())
    cout << rs->getString(1) << ": " << rs->getString(2) << endl;
// close the result set after looping
stmt->closeResultSet(rs);
// terminate the statement object
con->terminateStatement(stmt);
// terminate the connection to the database
env->terminateConnection(con);
// terminate the environment
Environment::terminateEnvironment(env);
// use this as a prompt to keep the console window from
// closing when run interactively from the IDE
cout << endl << "ENTER to continue...";
cin.get();
return 0;
}

Call Oracle Function from ASP++++!

I have a lot of Oracle function in packages and i would like use it in my ASP pages.
With Oracle procedure it's all right.
Sample like this
set cn = Server.CreateObject("ADODB.Connection")
connString = "Provider=MSDAORA.1;Data Source=<>;User ID=<>;Password=<>"
cn.Open connString
SQL = "{call test.test_asp({resultset 0, cResult})}"
Set cmd = Server.CreateObject ("ADODB.Command")
Set cmd.ActiveConnection = cn
cmd.CommandText = SQL
cmd.CommandType = 1 'adCmdText
Set rs = Server.CreateObject ("ADODB.RecordSet")
Set rs = cmd.Execute
If NOT (rs.BOF and rs.EOF) Then
Do while NOT rs.EOF
<%=rs("dfcountry")%>
<%=rs("dfname")%>
rs.MoveNext
LOOP
End if
And in package TEST i have
PROCEDURE TEST_ASP(cResult IN OUT ResultCursor)
IS
BEGIN
OPEN cResult FOR
SELECT *
FROM tcountry;
END TEST_ASP;"
I Hope You help me with similar call a function!!!
For example, this is one
FUNCTION test_fun
RETURN resultcursor
IS
vres resultcursor;
BEGIN
OPEN vres FOR
SELECT *
FROM tcountry;
RETURN vres;
END test_fun;

Stored Procedures
When executing an Oracle PL/SQL stored procedure using a command, use Oracle native syntax or the ODBC procedure call escape sequence in the command text:
Oracle native syntax: BEGIN credit_account(123, 40); END;
ODBC syntax: {CALL credit_account(123, 40)}
Preparing Commands
OraOLEDB validates and fetches the metadata only for SELECT SQL statements.
Command Parameters
When using Oracle ANSI SQL, parameters in the command text are preceded by a colon. In ODBC SQL, parameters are indicated by a question mark ("?").
OraOLEDB supports input, output, and input/output parameters for PL/SQL stored procedures and stored functions. OraOLEDB supports input parameters for SQL statements.
Joel P�rez

Calling Oracle Functions and Procedures in Java

I've looked online for a blurb on using Oracle SQL functions and
procedures in Java, but I haven't found anything. Can someone
either give me a quick crash course on this, or point me to the
best source of information for this?

From the SQLJ FAQ.
http://otn.oracle.com/tech/java/sqlj_jdbc/htdocs/faq.html#sqljplsql
Within your SQLJ statements, you can use PL/SQL anonymous blocks
and call PL/SQL stored procedures and stored functions, as in the
following examples: Anonymous
block:
#sql {
DECLARE
n NUMBER;
BEGIN
n := 1;
WHILE n <= 100 LOOP
INSERT INTO emp (empno) VALUES(2000 +
n);
n := n + 1;
END LOOP;
END
Stored procedure call (returns the maximum
deadline as an output parameter into an output host expression):
#sql { CALL MAX_DEADLINE(:out maxDeadline) };
Stored function call (returns the maximum
deadline as a function return into a result expression):
#sql maxDeadline = { VALUES(GET_MAX_DEADLINE)
Of course, you can also use JDBC code to achieve the same - the
standard JDBC escape sequences for stored function and procedure
calls are supported, using for example:
"{? = CALL GET_MAX_DEADLINE}"
or:
"{call MAX_DEADLINE(?)}"
and for the rest of the details, get that JDBC crash course...

Calling oracle function from Access passthrough query does not return list

Thanks to the help I received in an earlier post I've created an oracle 10g function that returns a list after executing the sql it contains. It works in oracle, using sql developer.
I need to have the list that it returns show up in MS Access via a passthrough query. It's not working so far. The connection string etc is ok, I'm able to use passthrough queries to run sql strings successfully. But when I try to call the function via the Access passthrough query at first nothing seems to happen (ie no list appears) and if I try to run it again, there is a odbc error 'call in progress. Current operation canceled'. There are only the three records in the table. I'm missing something, can anyone spot it?
The passthrough query looks like this
select * from fn_testvalues from dual
Again that runs in oracle.
To create the testing table and 2 functions see below.
CREATE TABLE t_values (MyValue varchar2(10));
Table created
INSERT INTO t_values (
SELECT 'Merced' c1 FROM dual UNION ALL
SELECT 'Pixie' FROM dual UNION ALL
SELECT '452' FROM dual);
3 rows inserted
CREATE OR REPLACE FUNCTION fn_isnum(p_val VARCHAR2) RETURN NUMBER IS
n_val NUMBER;
BEGIN
n_val := to_number(p_val);
RETURN 1;
EXCEPTION
WHEN OTHERS THEN
RETURN 0;
END;
Function created
testing the table:
SELECT val, fn_isnum(MyValue ) isnum
FROM t_values;
VAL ISNUM
Merced 0
Pixie 0
452 1
Now the function that is called in the passthrough query:
create or replace function fn_testvalues
return sys_refcursor is
rc sys_refcursor;
begin
open rc for
Select t_values.*, fn_isnum(MyValue) IsNum from t_values;
return(rc);
end fn_testvalues;

lecaro wrote:
OK. But obviously there is some oracle object that one can call via an Access pass-through query which returns rows?Just to clarify. You could fetch data in Access from an Oracle function that returns a ref cursor using VBA editor. To use a pass-through query Oracle function should be a table function or pipelined table function:
CREATE OR REPLACE
TYPE testvalues_obj_type
    AS OBJECT(
              val varchar2(10),
              isnum number
CREATE OR REPLACE
TYPE testvalues_tbl_type
    AS TABLE OF testvalues_obj_type
CREATE OR REPLACE
FUNCTION fn_testvalues
    RETURN testvalues_tbl_type
    PIPELINED
    IS
        CURSOR testvalues_cur
          IS
            SELECT testvalues_obj_type(MyValue,fn_isnum(MyValue)) testvalues_obj
              FROM t_values;
    BEGIN
        FOR v_rec IN testvalues_cur LOOP
          PIPE ROW(v_rec.testvalues_obj);
        END LOOP;
        RETURN;
END;
/To test it in Oracle:
SELECT *
FROM TABLE(fn_testvalues)
VAL             ISNUM
Merced              0
Pixie               0
452                 1
SQL> Now in Access pass-trough query window enter:
SELECT *
FROM TABLE(fn_testvalues);SY.

Calling Oracle Function in PHP

Hi,
I'm calling a oracle function in php, the function has 1 IN parameter and 1 OUT parameter. The OUT parameter is BOOLEAN type.How to bind php variable for BOOLEAN type?
Thanks.
srinath.

I think you're going to have to use it as a string and use string comparison.
~Jer

Hibernate: Oracle function call

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