use sqlx::postgres::PgPool;  // 修改导入路径
use std::env;

pub async fn create_pool() -> Result<PgPool, sqlx::Error> {
    dotenvy::dotenv().ok();
    let database_url = env::var("DATABASE_URL")
        .expect("DATABASE_URL must be set in .env file");
    
    PgPool::connect(&database_url).await
}