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package org.postgresql.test.jdbc2;
import org.postgresql.test.TestUtil;
import junit.framework.TestCase;
import java.io.*;
import java.sql.*;
import java.io.ByteArrayInputStream;
import java.io.InputStream;
import java.sql.*;
/**
* User: alexei
* Date: 17-Dec-2003
* Time: 11:01:44
* @version $Id: OID74Test.java,v 1.1 2003/12/17 15:38:42 davec Exp $
*/
public class OID74Test extends TestCase
{
private Connection con;
public OID74Test( String name )
{
super(name);
}
public void setUp() throws Exception
{
}
public void tearDown() throws Exception
{
}
public void testBinaryStream()
{
//set up conection here
Connection c = null;
Statement st = null;
try
{
c = DriverManager.getConnection("jdbc:postgresql://localhost/test?compatible=7.1&user=test");
c.setAutoCommit(false);
st = c.createStatement();
st.execute("CREATE TABLE temp (col oid)");
}
catch (SQLException e)
{
//another issue: when connecting to 7.3 database and this exception occurs because the table already exists,
//st.setBinaryStream throws internal error in LargeObjectManager initialisation code
fail("table creating error, probably already exists, code=" + e.getErrorCode());
}
finally
{
try{ if (st != null) st.close(); }catch(SQLException ex){};
}
PreparedStatement pstmt = null;
try
{
pstmt = c.prepareStatement("INSERT INTO temp VALUES (?)");
//in case of 7.4 server, should block here
pstmt.setBinaryStream(1, new ByteArrayInputStream(new byte[]{1, 2, 3, 4, 5}), 5);
assertTrue( (pstmt.executeUpdate() == 1) );
pstmt.close();
pstmt = c.prepareStatement("SELECT col FROM temp LIMIT 1");
ResultSet rs = pstmt.executeQuery();
assertTrue("No results from query", rs.next() );
//in case of 7.4 server, should block here
InputStream in = rs.getBinaryStream(1);
int data;
while ((data = in.read()) != -1)
System.out.println(data);
rs.close();
st.close();
c.createStatement().executeUpdate("DELETE FROM temp");
c.commit();
}
catch ( IOException ioex )
{
fail( ioex.getMessage() );
}
catch (SQLException ex)
{
fail( ex.getMessage() );
}
finally
{
try
{
if ( c!=null) c.close();
}
catch( SQLException e1){}
}
}
}
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