Demo Get Generated Keys MySQL
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.ResultSetMetaData;
import java.sql.SQLException;
import java.sql.Statement;
public class DemoGetGeneratedKeysMySQL {
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 void main(String[] args)throws Exception {
Connection conn = getConnection();
Statement stmt = null;
ResultSet rs = null;
try {
conn = getConnection();
stmt = conn.createStatement();
stmt.executeUpdate("insert into animals_table (name) values('newName')");
rs = stmt.getGeneratedKeys();
while (rs.next()) {
ResultSetMetaData rsMetaData = rs.getMetaData();
int columnCount = rsMetaData.getColumnCount();
for (int i = 1; i <= columnCount; i++) {
String key = rs.getString(i);
System.out.println("key " + i + " is " + key);
}
}
} catch (Exception e) {
e.printStackTrace();
System.exit(1);
} finally {
try {
rs.close();
stmt.close();
conn.close();
} catch (SQLException e) {
e.printStackTrace();
}
}
}
}
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