const mysql = require('mysql2/promise');

async function initSQL() {
    const connection = await mysql.createPool({
        host: 'localhost',
        user: 'root',
        database: 'rgvofficial',
        password: 'root',
        waitForConnections: true, //连接超额是否等待
        connectionLimit: 10, //一次创建的最大连接数
        queueLimit: 0, //可以等待的连接的个数
        maxIdle: 10, // max idle connections, the default value is the same as `connectionLimit`
        idleTimeout: 60000, // idle connections timeout, in milliseconds, the default value 60000
    });
    connection.getConnection(function(err, conn) {
        // Do something with the connection
        conn.query(/* ... */);
        // Don't forget to release the connection when finished!
        pool.releaseConnection(conn);
    })
    global.SQL = connection
}

module.exports = initSQL;