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如何在T-SQL中添加两个日期值

更新时间:2023-02-04 21:30:01

您必须先将日期字段转换为日期时间。
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很奇怪....这对我的环境无效。它是一个版本的东西吗?


这个做了:

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可能是版本的东西。我正在运行SQL Server 2008 R2


I have a system which stores a date value (Date1) and a time value (From Time) in separate fields and I need to work with the full date/time result (FromDT). How can I add these two values together as this seems to be unsupported by T-SQL?

I also have other time fields ([To Time] & [Break]) which allow me to determine the end date/time (EndDT) by using [Date1] unless [To Time] is less than [From Time] + [Break], in which case [Date1] + 1 day.

All very difficult when (apparently) T-SQL doesn''t support adding of dates and/or times together.

{Edit}Apologies for not stating earlier, but I''m using SQL Server 2012-R2.

You have to convert the date field to datetime first.
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如何在T-SQL中添加两个日期值
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