Java技术驱动的数据库搜索优化案例解析

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.Statement;

public class CreateIndexExample {
    public static void main(String[] args) {
        String databaseUrl = "jdbc:mysql://localhost:3306/mydatabase";
        String username = "root";
        String password = "password";

        try (Connection connection = DriverManager.getConnection(databaseUrl, username, password);
             Statement statement = connection.createStatement()) {
            String createIndexQuery = "CREATE INDEX product_name_index ON products (name)";
            statement.executeUpdate(createIndexQuery);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}

import com.zaxxer.hikari.HikariConfig;
import com.zaxxer.hikari.HikariDataSource;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;

public class ConnectionPoolExample {
    public static void main(String[] args) {
        HikariConfig config = new HikariConfig();
        config.setJdbcUrl("jdbc:mysql://localhost:3306/mydatabase");
        config.setUsername("root");
        config.setPassword("password");

        HikariDataSource dataSource = new HikariDataSource(config);

        try (Connection connection = dataSource.getConnection();
             PreparedStatement preparedStatement = connection.prepareStatement("SELECT * FROM products WHERE name LIKE ?");
             ResultSet resultSet) {
            preparedStatement.setString(1, "%keyword%");
            resultSet = preparedStatement.executeQuery();

            while (resultSet.next()) {
                // 处理结果集
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}