Calling a procedure/function in CO using Callable Statement

Question

Hi,
Please help me in understanding this:
__method1__
BEGIN
:1 := Package.Function(
param1 => :2"
,param2 => :3"
,param3 => :4"
,param4 => :5"
END;
method2
BEGIN
Package.Function(:1, :2, :3, :4, :5);"
END;
Whats the significance of using method1?
I have seen the callable statements written as in method1 but, the parameters passed are not in order and not all params are passed.
When i tried writing similar code, I got "Invalid Column Index" exception. Please let me know how to overcome this.
Thanks

Answer 1

Hi,
You can call a function using Callable Statement as
public String checkprimarycontact(String pri_loc_id,String org_id,String party_id)
int p_location_id = 0;
int p_org_id = 0;
int p_party_id = 0;
p_location_id = Integer.parseInt(pri_loc_id);
p_org_id = Integer.parseInt(org_id);
p_party_id = Integer.parseInt(party_id);
String priflag = "";
try
Connection conn1 = getOADBTransaction().getJdbcConnection();
CallableStatement cstmt1 = conn1.prepareCall("{? = call GET_PRIMARY_FUNCTION(?,?,?)}");
cstmt1.registerOutParameter(1,Types.VARCHAR);
cstmt1.setInt(2,p_location_id);
cstmt1.setInt(3,p_org_id);
cstmt1.setInt(4,p_party_id);
cstmt1.execute();
priflag = cstmt1.getString(1);
catch(Exception e1)
e1.printStackTrace();
return priflag;
Thanks,
Gaurav