DATETIME_DIFFERENCE("2019-07-11T13:06:15+03:00", "2019-07-11T13:06:15+03:00")
0
DATETIME_DIFFERENCE("2019-07-11T13:06:15+03:00", "2018-07-11T13:06:15+03:00", "hours")
8760
DATETIME_DIFFERENCE("2019-07-11T13:06:15+03:00", "2018-07-11T13:06:15+03:00", "weeks", true)
52.14285714