使延迟的作业在特定日期时间运行 [英] Make delayed job run at specific date time
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问题描述
我想通过 delayed_job
发送一些电子邮件,但是我想在事件。
However, I want to send them before and after an event.
我担心的是这是否真的有效:
My concern is if this will actually work:
def one_week_before_run
AtendeeMailer.delay(run_at: '8th October 2016'.to_datetime).mudrun_about_to_start(self)
end
def thank_you_note
AtendeeMailer.delay(run_at: '18th October 2016'.to_datetime.end_of_day).thank_you(self)
end
或我应该选择另一种方法吗?
or should I choose another approach?
推荐答案
仅当run_at< =当前时间时,延迟的作业才会选择要执行的作业。引用DJ的查询来选择工作
Delayed job picks a job to execute only if the run_at <= current time. Refer DJ's query to pick job
SELECT `delayed_jobs`.* FROM `delayed_jobs` WHERE ((run_at <= '2016-09-27 00:49:59' AND (locked_at IS NULL OR locked_at < '2016-09-27 00:24:59') OR locked_by = 'host:Madhubalans-Air pid:74314') AND failed_at IS NULL) ORDER BY priority ASC, run_at ASC LIMIT 1
您的代码将run_at设置为2016-10-18 00 :00:00和2016-10-18 23:59:59。
因此,您的代码将按您的期望运行:)
Your code is setting run_at to 2016-10-18 00:00:00 and 2016-10-18 23:59:59. So your code will work as per your expectation :)
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