获取已经组装的SQL语句, 包括 bind value
public string show(void)
此函数没有参数
返回成功 String, 返回失败 false
<?php
use Asf\Db\QueryBuilder\Select;
$select = new Select();
$select->cm('* from test where cm = 1');
// string(37) "[SQL] select * from test where cm = 1"
var_dump($select->show());