Mega Code Archive
Checking for a Warning Using a ResultSet Object
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import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.SQLWarning;
import java.sql.Statement;
public class Main {
public static void main(String[] args) throws Exception {
// Get warnings on ResultSet object
ResultSet rs = null;
Connection conn = null;
Statement stmt = null;
try {
conn = getConnection(); // get a java.sql.Connection object
stmt = conn.createStatement(); // create a statement
// get a result set
String sqlQuery = "select id, name from employees";
rs = stmt.executeQuery(sqlQuery);
while (rs.next()) {
// use result set
//
// get warnings on the current row of the ResultSet object
SQLWarning warning = rs.getWarnings();
if (warning != null) {
// process result set warnings
}
}
} catch (SQLException e) {
// ignore the exception
} finally {
// close JDBC resources: ResultSet, Statement, Connection
}
}
private static Connection getConnection() throws Exception {
Class.forName("org.hsqldb.jdbcDriver");
String url = "jdbc:hsqldb:mem:data/tutorial";
return DriverManager.getConnection(url, "sa", "");
}
}
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