> No, for example, the datediff in years for New Year's Eve and New Year's Day should be 1
I don't understand the purpose of such a calculation. If you want to check if two dates (or timestamps) fall into the same year, you compare the year part of them. If you want to check how far they are apart, you compare the difference between the two to an interval.
I don't understand the purpose of such a calculation. If you want to check if two dates (or timestamps) fall into the same year, you compare the year part of them. If you want to check how far they are apart, you compare the difference between the two to an interval.