sql 语句中定义的变量不能和 sql关键字冲突

sql 语句中定义的变量不能和 sql关键字冲突

from bs_email_account account

LEFT JOIN bs_group_info gp ON account.group_id = gp.id

from bs_email_account account

LEFT JOIN bs_group_info group ON account.group_id = group.id