为什么这样查询会报错

SELECT
    o.user_id,o.audittime,
    o.shop_name,
    (
        SELECT
            count(pay_count)
        FROM
            ot_payment_history AS p
        WHERE
            o.user_id = p.pay_user_id
        AND o.order_id = p.pay_order_id
    ) AS f
FROM
    ot_mall_order AS o
WHERE
    and (((1462531924 - (o.audittime + (f * 60*60*24*30))) / 60*60*24) - 30 ) > 0

错误: [Err] 1064 - You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'and (((1462531924 - (o.audittime + (f 60602430))) / 606024) - 30 ) > 0' at line 16

去掉f * 能正确返回数据

order order_id表 去关联 P表的pay_order_id , 统计Pay表 pay_count 相加 然后用 order 表的 audittime 减去 pay_count相加的值

order 表

pay 表

这条sql怎么写

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1. where和and不能连在一起吧？

2. f是字段别名。字段别名只能在order by中使用，不能在where子句中使用。