select i.id,c.customer,i.invoice_num from crm_invoice i left join crm_customer c on i.customer_id=c.id unionall select p.params_name from param_sysparam p left join crm_order o on o.pay_type_id = p.id;报错select p.params_name from param_sysparam p left join crm_order o on o.pay_type_id = p.id;单独执行就不应该怎么写
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