Wednesday, 2 October 2013

how can I populate and retrieve table of record using java

how can I populate and retrieve table of record using java

Package, in which I declared my Data Types
create or replace package pkg_var is
type array_table is table of varchar2(50);
type array_int is table of number;
type p_arr_rec is record(p_no number,p_val varchar2(50));
type array_record is table of p_arr_rec;
end pkg_var;
/
My procedure to populate record
create or replace procedure proc1(p_array in pkg_var.array_table,
arr_int in pkg_var.array_int,len out number,arr_rec out
pkg_var.array_record)
as
v_count number;
begin
len := p_array.count;
v_count :=0;
for i in 1..p_array.count
loop
--dbms_output.put_line(p_array(i));
arr_rec(i).p_no := arr_int(i);
arr_rec(i).p_val := p_array(i);
v_count := v_count+1;
end loop;
end;
/
This is my class to call the above procedure to populate array into table
of record
public class TestDatabase {
public static void passArray()
{
try{
dbcon conn = new dbcon();
Connection con = conn.dbstate().getConnection();
String str_array[] = {"one", "two", "three","four"};
int int_array[] = {1, 2, 4,8};
ArrayDescriptor str_des =
ArrayDescriptor.createDescriptor("SCOTT.PKG_VAR.ARRAY_TABLE",
con);
ARRAY arr_str = new ARRAY(str_des,con,str_array);
ArrayDescriptor des =
ArrayDescriptor.createDescriptor("SCOTT.PKG_VAR.ARRAY_INT",
con);
ARRAY arr_int = new ARRAY(des,con,int_array);
CallableStatement st = con.prepareCall("call
SCOTT.proc1(?,?,?)");
// Passing an array to the procedure -
st.setArray(1, arr_str);
st.setArray(2, arr_int);
st.registerOutParameter(3, Types.INTEGER);
st.registerOutParameter(4,OracleTypes.ARRAY,"SCOTT.PKG_VAR.ARRAY_RECORD");
st.execute();
System.out.println("size : "+st.getInt(3));
// Retrieving array from the resultset of the procedure after
execution -
ARRAY arr = ((OracleCallableStatement)st).getARRAY(4);
BigDecimal[] recievedArray = (BigDecimal[])(arr.getArray());
for(int i=0;i<recievedArray.length;i++)
System.out.println("element" + i + ":" + recievedArray[i]
+ "\n");
} catch(Exception e) {
System.out.println(e);
}
}
public static void main(String args[]){
passArray();
}
}
I'm getting java.sql.SQLException: invalid name pattern:
SCOTT.PKG_VAR.ARRAY_TABLE Exception, anyone help me to solve this
exception.
One more question how do I retrieve table of record of SQL in Java ? My
second question is for this code ARRAY arr =
((OracleCallableStatement)st).getARRAY(4);
Is it a valid code to get table of record ?

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