![]() ![]() Redshift datediff does not return the cumulative difference between two dates.If you do not care for the signed part, then use the absolute value function (abs).Similarly, if the first date is greater than the second date you get a positive number.If the first date is less than the second date, the result will be a negative number.The below 4 points are important if you want to use the datediff function correctly. What it does: The Redshift datediff function returns the difference between two dates ( date1 and date2) in the format specified by datepart. ![]() Syntax: datediff ( datepart, date1, date2) The first ( datepart) is an argument, while the second(date_part) is a date function in Redshift. You can also get the complete date part list from the Redshift documentation.Īnother point to clarify, Redshift datepart is not the same as date_part. They were chosen for being intuitive and unique to remember. The values listed are not the complete list. The table below lists the different date parts and values in alphabetic order. The value for the datepart argument is specified without quotes and in lowercase. This could be day, month, year and so on. It is a single lowercase word ( datepart) used to denote a part of a date. So, let’s clear things up.ĭate part is an argument used in Redshift date functions. Though simple, its syntax and usage can get confusing. You will see datepart mentioned in more than a few Redshift date functions.
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