在一条语句中count出不同的条件

<pre name="code" class="html">//在一条语句中count出不同的条件,记录一下 ..

SELECT

SUM( goods_amount ) AS money,

count( * ) AS num,

count(if(pay_status=1,true,null)) AS success,

count(if(pay_status=2,true,null)) AS fall

FROM `tab_order_info`

WHERE user_id = 11 </pre>

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