Mega Code Archive
Clob
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import java.sql.Clob;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
public class Main{
public static Connection getConnection() throws Exception {
String driver = "org.gjt.mm.mysql.Driver";
String url = "jdbc:mysql://localhost/databaseName";
String username = "root";
String password = "root";
Class.forName(driver);
Connection conn = DriverManager.getConnection(url, username, password);
return conn;
}
public static String getCLOB(int id) throws Exception {
Connection conn = null;
ResultSet rs = null;
PreparedStatement pstmt = null;
String query = "SELECT clobData FROM tableName WHERE id = ?";
try {
conn = getConnection();
pstmt = conn.prepareStatement(query);
pstmt.setInt(1, id);
rs = pstmt.executeQuery();
rs.next();
Clob clob = rs.getClob(1);
// materialize CLOB onto client
String wholeClob = clob.getSubString(1, (int) clob.length());
return wholeClob;
} finally {
rs.close();
pstmt.close();
conn.close();
}
}
public static void main(String args[]) throws Exception {
System.out.println(getCLOB(01));
}
}
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