date_extract_y
Extract the year as an integer
Examples:
date_extract_y(to_fixed_timestamp('2017-12-13T00:24:53Z'))
-- Result: "2017"
date_extract_y(to_floating_timestamp('2017-12-13T8:24:53'))
-- Result: "2017"
date_extract_y(to_fixed_timestamp('2017-12-31T23:24:53-0930'))
-- Result: "2018"
a -> number