Re: Jave stored procedure

From:
"Starbuck" <starbuck@THRWHITE.remove-dii-this>
Newsgroups:
comp.lang.java.databases
Date:
Wed, 27 Apr 2011 15:23:02 GMT
Message-ID:
<BfeNk.6$k42.3@newsfe15.ams2>
  To: comp.lang.java.databases
Arne Vajhoj wrote:

Starbuck wrote:

Starbuck wrote:

Can anyone see what is wrong here

CallableStatement cs = con.prepareCall("{ ? = call list_index () }");
cs.registerOutParameter(1, Types.OTHER);
cs.execute();
ResultSet rs = (ResultSet) cs.getObject(1);
while (rs.next())
{
    //read the returned recordset }

When - ResultSet rs = (ResultSet) cs.getObject(1);
is executed the error is - "[B cannot be cast to java.sql.ResultSet"

The stored procedure being called is as follows, it works fine in c#

CREATE PROCEDURE list_index
AS
BEGIN
  /* Procedure body */
  SELECT name FROM listtypes where ctype = 'C' order by ndx
END

Thanks in advance chaps.


Its ok, silly me

//ResultSet rs = (ResultSet) cs.getObject(1);
ResultSet rs = cs.executeQuery();

Works fine now.


An SP can return:
- out parameters
- result sets
- return values

A long time ago I created the following to demo the
various options:

CREATE PROCEDURE TEST_MULTIOUT
@inarg INTEGER,
@outarg INTEGER OUTPUT
AS
SELECT @outarg = 123
SELECT * FROM T1
SELECT * FROM T1
RETURN -@inarg

import java.sql.CallableStatement;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.Types;

public class UseSP {
    public static void main(String[] args) throws Exception {
        Class.forName("com.sybase.jdbc2.jdbc.SybDriver");
        Connection con =
DriverManager.getConnection("jdbc:sybase:Tds:arnepc2:5000", "sa", "");
        con.setCatalog("Test");
        CallableStatement cstmt = con.prepareCall("{? = CALL
TEST_MULTIOUT(?,?)}");
        cstmt.registerOutParameter(1, Types.INTEGER);
        cstmt.setInt(2, 5);
        cstmt.registerOutParameter(3, Types.INTEGER);
        cstmt.execute();
        while(cstmt.getMoreResults()) {
            ResultSet rs = cstmt.getResultSet();
            while(rs.next()) {
                System.out.println(rs.getInt(1) + " " + rs.getString(2));
            }
        }
        System.out.println("return value = " + cstmt.getInt(1));
        System.out.println("out parameter = " + cstmt.getInt(3));
        cstmt.close();
        con.close();
    }
}

Arne


Thanks Arne

That is very helpful

Kev

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