Send a array of user-defined java objects to stored procedure

hi,
I´d like to know if its possible send java user-defined objects to a collection. I've tried the exemple bellow but it doesn´t work:
1) In database
-- nested table type
create or replace type client_table_type is table of client%rowtype;
-- table client:
teste
( id number(18,0),
name varchar2(80),
birthday date)
-- stored procedure
create or replace package client_pkg
is
procedure insert_clients(
p_array_clients client_table_type
end;
2) In Java
java.lang.Class.forName ("oracle.jdbc.driver.OracleDriver");
java.sql.Connection conn = java.sql.DriverManager.getConnection("jdbc:oracle:thin .....);
ArrayDescriptor descriptor = ArrayDescriptor.createDescriptor("client_table_type", conn);
ARRAY a2 = new ARRAY(descriptor, conn, anArrayIn);
PreparedStatement ps = (PreparedStatement)conn.prepareStatement("{ call client_pkg.insert_clients(?) }");
ps.setArray(1, a2);
ps.execute();
Where anArrayIn is an array of Client and Client is a java user-defined class with these attributes:
public class Client{
public long id;
public String name;
public Date birthday;
3) when I´ve tried to run the java code its returned the error in the ArrayDescriptor line:
Exception in thread "main" java.sql.SQLException: .....:
Unable to resolve type: "SISSERV.CLIENT_TABLE_TYPE"
at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:134)
at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:179)
at oracle.sql.ArrayDescriptor.initPickler(ArrayDescriptor.java:1976)
at oracle.sql.ArrayDescriptor.<init>(ArrayDescriptor.java:199)
at oracle.sql.ArrayDescriptor.createDescriptor(ArrayDescriptor.java:118)
at teste_array_oracle.Carga.callPLSQL(Carga.java:60)
at teste_array_oracle.Carga.<init>(Carga.java:41)
at teste_array_oracle.Carga.main(Carga.java:32)
erro de execuþÒo
Tks for any help!

A brief answer to this from my side (not knowing Java that wel), but hopefully suffices to put you on the right track.

A SQL user defined type is basically a class (it can contain properties and methods). It has only superficial resemblence to a traditional record struct. So you cannot use one. Even if you could (assuming you code a PL/SQL "traditional" record struct), there are issues around how char and numeric data are represented binary inside Oracle and issues around byte/word alignment.

So bottom line - what you're doing will not work (as the errors show).

Okay, so what then? Well, the OCI (Oracle Call Interface) supports all Oracle data types, including these user types (also called Advance Data Types in Oracle-speak). You therefore need to use the supplied API calls to deal with instantiated objects (structures) of these type.
You're best bet is to have a look Oracle® Database Java Developer's Guide

Similar Messages

Passing Arrays of User Defined Types to Oracle Stored Procedures

Hi
I am using WebLogic 8.14 & Oracle 9i with thin JDBC driver.
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Summary of Approach:
In the Oracle database, we have defined a Object Type :
CREATE OR REPLACE
TYPE MYTYPE AS OBJECT
TxnId VARCHAR2(40),
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CREATE OR REPLACE
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There is a stored procedure which takes one of these collections as an input parameter and I need to invoke these from within my code.
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Andy Bowes wrote:
Hi
I am using WebLogic 8.14 & Oracle 9i with thin JDBC driver.
Our application needs to perform the same DB operation for every item in a Java Collection. I cannot acheive the required performance using the standard Prepare & Execute loop and so I am looking to push the whole collection to Oracle in a single invocation of a Stored Procedure and then loop on the database.
Summary of Approach:
In the Oracle database, we have defined a Object Type :
CREATE OR REPLACE
TYPE MYTYPE AS OBJECT
TxnId VARCHAR2(40),
Target VARCHAR2(20),
Source VARCHAR2(20),
Param1 VARCHAR2(2048),
Param2 VARCHAR2(2048),
Param3 VARCHAR2(2048),
Param4 VARCHAR2(2048),
Param5 VARCHAR2(2048),
and we have defined a collection of these as:
CREATE OR REPLACE
TYPE MYTYPE_COLLECTION AS VARRAY (100) OF MYTYPE
There is a stored procedure which takes one of these collections as an input parameter and I need to invoke these from within my code.
I am having major problems when I attempt to get the ArrayDescriptor etc to allow me to create an Array to pass to the stored procedure. I think this is because the underlying Oracle connection is wrapped by WebLogic.
Has anyone managed to pass an array to an Oracle Stored procedure on a pooled DB connection?
Thanks
AndyHi. Here's what I suggest: First please get the JDBC you want to work in a
small standalone program that uses the Oracle thin driver directly. Once
that works, show me the JDBC code, and I will see what translation if
any is needed to make it work with WLS. Will your code be running in
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Hi All,
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Step 1: created an object type.
CREATE TYPE department_type AS OBJECT (
DNO NUMBER (10),
NAME VARCHAR2 (50),
LOCATION VARCHAR2 (50)
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AS
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FOR i IN d.FIRST .. d.LAST
LOOP
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VALUES (d (i).dno,d (i).name,d (i).location);
END LOOP;
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END objecttype;
Step 4:Created a java class to map the columns of the object type.
public class Department
private double DNO;
private String Name;
private String Loation;
public void setDNO(double DNO)
this.DNO = DNO;
public double getDNO()
return DNO;
public void setName(String Name)
this.Name = Name;
public String getName()
return Name;
public void setLoation(String Loation)
this.Loation = Loation;
public String getLoation()
return Loation;
Step 5: created a method to call the stored procedure.
public static void main(String arg[]){
try{
Department d1 = new Department();
d1.setDNO(1); d1.setName("Accounts"); d1.setLoation("LHR");
Department d2 = new Department();
d2.setDNO(2); d2.setName("HR"); d2.setLoation("ISB");
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cn.commit();
catch(Exception e){
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OK I am back again and seems like talking to myself. Anyways i had a talk with one of the java developers in my team and he said that making an array of structs is not much use to them as they already have a java bean/VO class defined and they want to send an array of its objects to the database not structs so I made the following changes to their java class. (Again hoping some one will find this useful).
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import java.sql.SQLOutput;
import java.sql.SQLInput;
import java.sql.SQLException;
public class Department implements SQLData
private double DNO;
private String Name;
private String Location;
public void setDNO(double DNO)
this.DNO = DNO;
public double getDNO()
return DNO;
public void setName(String Name)
this.Name = Name;
public String getName()
return Name;
public void setLocation(String Location)
this.Location = Location;
public String getLoation()
return Location;
public void readSQL(SQLInput stream, String typeName)throws SQLException
public void writeSQL(SQLOutput stream)throws SQLException
stream.writeDouble(this.DNO);
stream.writeString(this.Name);
stream.writeString(this.Location);
public String getSQLTypeName() throws SQLException
return "DOCCOMPLY.DEPARTMENT_TYPE";
Step 2: I made the following changes to the main method.
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try{
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d1.setDNO(1);
d1.setName("CPM");
d1.setLocation("LHR");
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d2.setDNO(2);
d2.setName("Admin");
d2.setLocation("ISB");
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DBConnection dbConnection= DBConnection.getInstance();
Connection cn = dbConnection.getDBConnection(false);
ArrayDescriptor arrayDept = ArrayDescriptor.createDescriptor("DEPT_ARRAY", cn);
ARRAY deptArrayObject = new ARRAY(arrayDept, cn, deptArray);
callStatement = (OracleCallableStatement)cn.prepareCall("{call objecttype.insert_array_object(?)}");
((OracleCallableStatement)callStatement).setArray(1, deptArrayObject);
callStatement.executeUpdate();
cn.commit();
catch(Exception e){
System.out.println(e.toString());
and it started working no more SQLException. (The changes to the department class were done manfully but they tell me JPublisher would have been better).
Regards,
Shiraz

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Message was edited by:
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00600 and the
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private void chad(int[] railcarIds) throws NonFatalDBException,
FatalDBException {
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Senior Consultant
Cap Gemini
Des Moines, IA
null

Hi
Can u plzz help me as to how did u write the procedure to take arrays as input.I also have to write aprocedure that takes arrays and returns arrays.Plzz can u give me a working sample as I have not found any help anywhere
<BLOCKQUOTE>quote:<HR>Originally posted by Chad Sheley ([email protected]):
I've created a stored procedure that accepts as a parameter a
database type
that I have defined as a VARRAY. (create type XXX)
When I attempt to pass an ARRAY object to this stored procedure
through JDBC
(Thin-client driver) I recieve the Oracle internal error ORA-
00600 and the
first "parameter" is [12760].
Has anyone else attempted the same sort of thing w/ success?
I am including the Java source code to help the investigation
private void chad(int[] railcarIds) throws NonFatalDBException,
FatalDBException {
CallableStatement theStatement = null;
try {
theStatement = this.getDatabaseConnection().prepareCall("{call
RomsRepairPackage.chad(?)} ");
// create an ARRAY object to send to the procedure
ArrayDescriptor ad =
ArrayDescriptor.createDescriptor("RAILCARIDVARRAYTYPE",
this.getDatabaseConnection());
ARRAY theArray = new ARRAY(ad, this.getDatabaseConnection(),
railcarIds);
// set the input parameter which is the array of railcar ids
((OracleCallableStatement)theStatement).setARRAY(1, theArray);
theStatement.execute();
theStatement.close();
} catch (SQLException sqle) {
System.out.println("ouch");
Thank you for any help,
Chad Sheley
Senior Consultant
Cap Gemini
Des Moines, IA<HR></BLOCKQUOTE>
null

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Hi,
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Java code
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at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:162)
at oracle.jdbc.driver.DatabaseError.check_error(DatabaseError.java:861)
at oracle.sql.ARRAY.toARRAY(ARRAY.java:210)
at oracle.jdbc.driver.OraclePreparedStatement.setObjectCritical(OraclePreparedStatement.java:7768)
at oracle.jdbc.driver.OraclePreparedStatement.setObjectInternal(OraclePreparedStatement.java:7449)
at oracle.jdbc.driver.OraclePreparedStatement.setObjectInternal(OraclePreparedStatement.java:7837)
at oracle.jdbc.driver.OracleCallableStatement.setObject(OracleCallableStatement.java:4587)
at weblogic.jdbc.wrapper.PreparedStatement.setObject(PreparedStatement.java:244)
at com.bea.wlw.runtime.core.control.DatabaseControlImpl._setParameter(DatabaseControlImpl.jcs:1886)
at com.bea.wlw.runtime.core.control.DatabaseControlImpl.getStatement_v2(DatabaseControlImpl.jcs:1732)
at com.bea.wlw.runtime.core.control.DatabaseControlImpl.invoke(DatabaseControlImpl.jcs:2591)
at com.bea.wlw.runtime.core.dispatcher.DispMethod.invoke(DispMethod.java:377)
at com.bea.wlw.runtime.core.container.Invocable.invoke(Invocable.java:433)
at com.bea.wlw.runtime.core.container.Invocable.invoke(Invocable.java:406)
at com.bea.wlw.runtime.core.container.Invocable.invoke(Invocable.java:249)
at com.bea.wlw.runtime.jcs.container.JcsContainer.invoke(JcsContainer.java:85)
at com.bea.wlw.runtime.core.bean.BaseContainerBean.invokeBase(BaseContainerBean.java:224)
at com.bea.wlw.runtime.core.bean.SLSBContainerBean.invoke(SLSBContainerBean.java:109)
at com.bea.wlwgen.StatelessContainer_ly05hg_ELOImpl.invoke(StatelessContainer_ly05hg_ELOImpl.java:153)
Can you please let me know, what i'm doing wrong and how i can pass an array to a procedure/function using java controls.
Any help will be highly appreciated.
Edited by: user12671762 on Feb 24, 2010 5:03 AM
Edited by: user9211663 on Feb 24, 2010 9:04 PM

Thanks Michael.
Here's the final code that i used, this might be helpful for those who face this problem
Java Code
// Following code gets the connection object
InitialContext ctx = new InitialContext();
dataSource = (DataSource)ctx.lookup("<DataSourceName>");
conn=dataSource.getConnection();
// Following code is used to create the array type from java
String query="CREATE OR REPLACE TYPE STR_ARRAY AS VARRAY(3) OF NUMBER";
dbControl.runTypeQuery(query);
// Following code is used to obtain the oracle sql array as SQLParameter
ArrayDescriptor desc = ArrayDescriptor.createDescriptor("<schemaName>.STR_ARRAY", conn);
Object[] elements = new Object[3];
elements[0] = new Integer(12);
elements[1] = new Integer(13);
elements[2] = new Integer(14);
oracle.sql.ARRAY newArray = new oracle.sql.ARRAY( desc, conn, elements);
SQLParameter[] params = new SQLParameter[1];
params[0] = new SQLParameter(newArray, oracle.jdbc.OracleTypes.ARRAY, SQLParameter.IN);
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SQL:
begin
"ACHEMA2003"."P_LOGIN" ( P_STAMM_SEQ => 33491, P_ADRESSNR => 2009721, P_PASSWORD => '3333', P_PROJEKT_ID => 'ACHEMA2003', P_MESSENR => '00023', P_SPKZ => 'D');
end;
ORA-20000:
Login ACHEMA 2003
Ung|ltiges Passwort !!!
Back to form
I want to supress the standard Oracle messages.
Now I read about the packages wwerr_api_error and wwerr_api_error_ui to make this, but it seems to be a little difficult.
Is there anybody who have a solution for this problem, perhaps some example PLSQL code for this.
Thanks Erwin.

Jacob,
Try following:
declare
v_sender VARCHAR2(1000);
v_sender_id NUMBER;
begin
v_sender := p_session.get_value_as_VARCHAR2(
p_block_name => 'DEFAULT',
p_attribute_name => 'A_SENDER');
v_sender_id := p_session.get_value_as_NUMBER(
p_block_name => 'DEFAULT',
p_attribute_name => 'A_SENDER_ID');
insert into hd (number, text) values (hd_seq.nextval,
'step 3 v_sender = ' || v_sender ||
' v_sender_id = ' || v_sender_id);
if v_sender_id >= 100 then
p_session.set_value(
p_block_name => "_block",
p_attribute_name => '_STATUS',
p_value => 'Sender ID must be less than 100!');
-- return to your form with status message set
-- and all fields filled with recent values
return;
end if;
end;
-- This point is reached only if validation is OK
doInsert;
Regards,
Henn

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