本文介绍了在PostgreSQL中找到时间戳之间的差异(以秒为单位)的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我在 PostgreSQL 8.3
中有一个表,带有2个 timestamp
列。我想在几秒钟内获得这些时间戳
之间的差异。
I have a table in PostgreSQL 8.3
with 2 timestamp
columns. I would like to get the difference between these timestamps
in seconds. Could you please help me how to get this done?
TableA
(
timestamp_A timestamp,
timestamp_B timestamp
)
我需要得到类似 (timestamo_B-timestamp_A)
以秒为单位(不仅仅是秒之间的差,还应该包括小时,分钟等)。
I need to get something like (timestamo_B - timestamp_A)
in seconds (not just the difference between seconds, it should include hours, minutes etc).
推荐答案
Try:
Try:
SELECT EXTRACT(EPOCH FROM (timestamp_B - timestamp_A))
FROM TableA
此处的详细信息:。
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